The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

No plant names match your search for quercus muhlenbergii; we will try Quercus instead.

4467 plant name records match your search criteria Quercus. The results are below.

• Genus Quercus is in the family Fagaceae. Species epithets begin with: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Quercus aaata C.H.Mull.	Synonym		WCSP
Quercus abbreviata Vuk.	Synonym		WCSP
Quercus abelicea Lam.	Synonym		WCSP
Quercus abendanonii Valeton	Synonym		WCSP
Quercus abietum Kotschy ex A.DC.	Synonym		WCSP
Quercus acapulcensis Trel.	Synonym		WCSP
Quercus acatenangensis Trel.	Synonym		WCSP
Quercus accessiva Gand. [Invalid]	Synonym		WCSP
Quercus accomodata Gand. [Invalid]	Synonym		WCSP
Quercus acerifolia (E.J.Palmer) Stoynoff & Hess	Accepted		WCSP
Quercus acerifolia Petz. & G.Kirchn. [Invalid]	Synonym		WCSP
Quercus acherdophylla Trel.	Synonym		WCSP
Quercus achoteana Trel.	Synonym		WCSP
Quercus achoteana var. sublanosa Trel. ex Yunck.	Synonym		WCSP
Quercus acrodonta Seemen	Accepted		WCSP
Quercus acroglandis Kellogg	Synonym		WCSP
Quercus aculcingensis Trel.	Accepted		WCSP
Quercus acuminata M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Quercus acuminata Roxb.	Synonym		WCSP
Quercus acuminata (Michx.) Sarg. [Illegitimate]	Synonym		WCSP
Quercus acuminata Endl. [Illegitimate]	Synonym		WCSP
Quercus acuminata (Michx.) Houba	Synonym		TRO
Quercus acuminata var. alexanderi Farw.	Synonym		WCSP
Quercus acuminatissima (Blume) A.DC.	Synonym		WCSP
Quercus acuminatissima Merr. [Illegitimate]	Synonym		WCSP
Quercus acuta Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP
Quercus acuta Raf. [Illegitimate]	Synonym		WCSP
Quercus acuta Thunb.	Accepted		WCSP
Quercus acuta Siebold ex Blume	Synonym		WCSP
Quercus acuta var. acutiformis Nakai	Synonym		WCSP
Quercus acuta f. acutiformis (Nakai) H.Ohashi	Synonym		WCSP
Quercus acuta var. bambusifolia G.Nicholson	Synonym		WCSP
Quercus acuta f. lanceolata Hatus.	Synonym		WCSP
Quercus acuta var. yanagidae Makino	Synonym		WCSP
Quercus acutangula Trel.	Accepted		WCSP
Quercus × acutidens Torr.	Accepted		WCSP
Quercus acutidentata (Maxim. ex Wenz.) Koidz.	Synonym		WCSP
Quercus acutidentata var. latifolia Liou	Synonym		TRO
Quercus acutifolia Née	Accepted		WCSP
Quercus acutifolia f. abrupta Trel.	Synonym		WCSP
Quercus acutifolia var. bonplandii A.DC.	Synonym		WCSP
Quercus acutifolia var. conspersa (Benth.) A.DC.	Synonym		WCSP
Quercus acutifolia var. furfuracea (Liebm.) Oerst.	Synonym		WCSP
Quercus acutifolia var. longifolia A.DC.	Synonym		WCSP
Quercus acutifolia var. microcarpa A.DC.	Synonym		WCSP
Quercus acutiglandis Sarg.	Synonym		WCSP
Quercus acutiloba Borbás	Synonym		WCSP
Quercus acutissima Carruth.	Accepted		WCSP
Quercus acutissima subsp. acutissima	Accepted		WCSP
Quercus acutissima var. breviopetiolata C. Ho	Synonym		TRO
Quercus acutissima var. chenii (Nakai) Menitsky	Synonym		WCSP
Quercus acutissima subsp. chenii (Nakai) A.Camus	Synonym		WCSP
Quercus acutissima var. chenii (Nakai) A. Camus	Synonym		TRO
Quercus acutissima var. depressinucata H.Wei Jen & R.Q.Gao	Synonym		WCSP
Quercus acutissima subsp. kingii Menitsky	Accepted		WCSP
Quercus acutissima var. lioui Kozlov	Synonym		WCSP
Quercus acutissima var. macrocarpa X.W.Li & Y.Q.Zhuin	Synonym		WCSP
Quercus acutissima var. roxburghii (Endl.) Schottky	Synonym		WCSP
Quercus acutissima subsp. roxburghii (Endl.) A.Camus	Synonym		WCSP
Quercus acutissima var. septentrionalis Liou	Synonym		WCSP
Quercus adjecta Gand. [Invalid]	Synonym		WCSP
Quercus admixta Gand. [Invalid]	Synonym		WCSP
Quercus adriatica Simonk. [Unplaced]	Unresolved		WCSP
Quercus adriatica Gand. [Invalid]	Synonym		WCSP
Quercus aegilopifolia Boiss. ex Endl.	Synonym		WCSP
Quercus aegilops Scop.	Synonym		WCSP
Quercus aegilops L.	Synonym		WCSP
Quercus aegilops Griseb.	Synonym		WCSP
Quercus aegilops Mill.	Synonym		WCSP
Quercus aegilops subsp. brantii (Lindl.) A.Camus	Synonym		WCSP
Quercus aegilops var. castaneifolia (C.A.Mey.) K.Koch	Synonym		WCSP
Quercus aegilops var. ithaburensis (Decne.) Boiss.	Synonym		WCSP
Quercus aegilops subsp. ithaburensis (Decne.) Eig	Synonym		WCSP
Quercus aegilops subsp. look (Kotschy) A.Camus	Synonym		WCSP
Quercus aegilops var. macedonica (A.DC.) Fiori & Paol.	Synonym		WCSP
Quercus aegilops var. macrolepis (Kotschy) Boiss.	Synonym		WCSP
Quercus aegilops subsp. macrolepis (Kotschy) A.Camus	Synonym		WCSP
Quercus aegilops var. oliveriana Tchich.	Synonym		WCSP
Quercus aegilops var. pendula Neill	Synonym		WCSP
Quercus aegilops subsp. persica (Jaub. & Spach) Blakelock	Synonym		WCSP
Quercus aegilops subsp. pyrami (Kotschy) A.Camus	Synonym		WCSP
Quercus aegilops var. pyrami (Kotschy) Boiss.	Synonym		WCSP
Quercus aegilops var. taygetea Orph. ex A.Camus	Synonym		WCSP
Quercus aegilops var. ungeri (Kotschy) Boiss.	Synonym		WCSP
Quercus aegilops subsp. ungeri (Kotschy) A.Camus	Synonym		WCSP
Quercus aegilops subsp. vallonea (Kotschy) A.Camus	Synonym		WCSP
Quercus × aegylopifolia Pers.	Synonym		WCSP
Quercus aegylopifolia Boiss. ex A.DC.	Synonym		WCSP
Quercus aequivenulosa Trel.	Synonym		WCSP
Quercus aerea Trel.	Accepted		WCSP
Quercus aesculus Boiss.	Synonym		WCSP
Quercus aestivalis Steven	Synonym		WCSP
Quercus afares Pomel	Accepted		WCSP
Quercus affinis Scheidw.	Accepted		WCSP
Quercus affinis M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Quercus affinis f. commutata (Liebm.) Trel.	Synonym		WCSP
Quercus affinis f. subintegra (A.DC.) Trel.	Synonym		WCSP
Quercus afghanistanensis K.Koch	Synonym		WCSP
Quercus africana Barrow	Unresolved		WCSP
Quercus agbayi Lavallée [Unplaced]	Unresolved		WCSP
Quercus agnostifolia K.Koch	Synonym		WCSP
Quercus agrifolia Née	Accepted		WCSP
Quercus × agrifolia Batt. & Trab. [Illegitimate]	Synonym		WCSP
Quercus agrifolia var. berberidifolia (Liebm.) Wenz.	Synonym		WCSP
Quercus agrifolia var. frutescens Engelm.	Synonym		WCSP
Quercus agrifolia var. oxyadenia (Torr.) J.T.Howell	Synonym		WCSP
Quercus agriobalanidea Papaioann. [Unplaced]	Unresolved		WCSP
Quercus aguana Trel.	Synonym		WCSP
Quercus × airensis Franco & Vasc.	Synonym		WCSP
Quercus aitchisoniana A.Camus	Synonym		WCSP
Quercus × aizoon Koehne [Illegitimate]	Synonym		WCSP
Quercus ajoensis C.H.Mull.	Accepted		WCSP
Quercus ajudaghiensis Steven ex Petzh. & G.Kirchn.	Synonym		WCSP
Quercus alamarensis C.H.Mull.	Synonym		WCSP
Quercus alamo Benth.	Synonym		WCSP
Quercus alamosensis Trel.	Synonym		WCSP
Quercus alba L.	Accepted		WCSP
Quercus alba var. gunnisonii Torr. & A.Gray	Synonym		WCSP
Quercus alba var. heterophylla Ettingsh. & Krasan	Synonym		WCSP
Quercus alba f. latiloba (Sarg.) E.J.Palmer & Steyerm.	Synonym		WCSP
Quercus alba var. latiloba Sarg.	Synonym		WCSP
Quercus alba var. longigemma Trel.	Synonym		WCSP
Quercus alba var. microcarpa A.DC.	Synonym		WCSP
Quercus alba var. minor Marshall	Synonym		WCSP
Quercus alba var. palustris Castigl.	Synonym		WCSP
Quercus alba var. pinnatifida Michx.	Synonym		WCSP
Quercus alba f. pinnatifida (Michx.) Rehder	Synonym		WCSP
Quercus alba var. pubescens (Willd.) Willd.	Synonym		WCSP
Quercus alba var. repanda Michx.	Synonym		WCSP
Quercus alba f. repanda (Michx.) Trel.	Synonym		TRO
Quercus alba var. ryderi Trel.	Synonym		WCSP
Quercus alba var. subcaerulea Pickens & M.Pickens	Synonym		WCSP
Quercus alba var. subflavea Pickens & M.Pickens	Synonym		WCSP
Quercus alba f. sublyrata Trel.	Synonym		WCSP
Quercus alba f. viridis Trel.	Synonym		WCSP
Quercus alba x muehlenbergii	Unresolved		TRO
Quercus × albescens Rouy ex A.Camus	Accepted		WCSP
Quercus albicaulis Chun & W.C.Ko	Accepted		WCSP
Quercus albifolia C.H.Mull.	Synonym		WCSP
Quercus albocincta Trel.	Accepted		WCSP
Quercus alexanderi Britton	Synonym		WCSP
Quercus aliena Blume	Accepted		WCSP
Quercus aliena J.-G.Jack [Unplaced]	Unresolved		WCSP
Quercus aliena var. acutidentata Maxim. ex Wenz.	Synonym		WCSP
Quercus aliena var. acutidentata Maxim. ex Franch. & Sav.	Synonym		TRO
Quercus aliena var. acutiserrata Maxim.	Accepted		WCSP
Quercus aliena var. aliena	Accepted		WCSP
Quercus aliena f. alticupuliformis (H.Wei Jen & L.M.Wang) H.Wei Jen & L.M.Wang	Synonym		WCSP
Quercus aliena var. alticupuliformis H.Wei Jen & L.M.Wang	Accepted		WCSP
Quercus aliena f. calvescens Rehder & E.H.Wilson	Synonym		WCSP
Quercus aliena var. griffithii (Hook.f. & Thomson ex Miq.) Schottky	Synonym		WCSP
Quercus aliena subsp. griffithii (Hook.f. & Thomson ex Miq.) Phengklai	Synonym		WCSP
Quercus aliena var. jeholensis Liou & S.X.Li	Synonym		WCSP
Quercus aliena f. jeholensis (Liou & S.X.Li) H.Wei Jen & L.M.Wang	Synonym		WCSP
Quercus aliena f. licenti Kozlov	Synonym		WCSP
Quercus aliena var. pellucida Blume	Accepted		WCSP
Quercus aliena f. pellucida (Blume) Kitam.	Synonym		WCSP
Quercus aliena var. rubripes Nakai	Synonym		WCSP
Quercus aliena var. shaanxiensis W.H.Zhang	Synonym		WCSP
Quercus aliena var. taibaiensis W.H.Zhang	Synonym		WCSP
Quercus aliena var. urticifolia (Franch.) Skan	Synonym		TRO
Quercus × alienocrispula H.Ohba [Unplaced]	Unresolved		WCSP
Quercus × alienoides Uyeki	Synonym		WCSP
Quercus × alienoides var. longissima Uyeki	Synonym		WCSP
Quercus × alienoserratoides T.B.Lee	Accepted		WCSP
Quercus × allardii Hy	Synonym		WCSP
Quercus alligata Gand. [Invalid]	Synonym		WCSP
Quercus × allorgeana A.Camus	Accepted		WCSP
Quercus almaguerensis Bonpl.	Synonym		WCSP
Quercus alnifolia Poech	Accepted		WCSP
Quercus alnifolia var. argentea Hadjik. & Hand	Synonym		WCSP
Quercus alnoides Lavallée [Unplaced]	Unresolved		WCSP
Quercus alpescens Trel.	Accepted		WCSP
Quercus alpestris Boiss.	Synonym		WCSP
Quercus alpestris var. ellipticifolia (Cout.) A.Camus	Synonym		WCSP
Quercus alpestris f. glabrata Villar	Synonym		WCSP
Quercus alpestris f. glabrescens Villar	Synonym		WCSP
Quercus alpestris f. grandifolia C.Vicioso	Synonym		WCSP
Quercus alpestris var. microcarpa (Cout.) A.Camus	Synonym		WCSP
Quercus alpestris f. peduncularis C.Vicioso	Synonym		WCSP
Quercus alpestris var. pedunculata (Cout.) A.Camus	Synonym		WCSP
Quercus alpestris var. salicifolia (Cout.) A.Camus	Synonym		WCSP
Quercus alpina Endl.	Synonym		WCSP
Quercus altissima Petz. & G.Kirchn.	Synonym		WCSP
Quercus alvarezensis Trel.	Synonym		WCSP
Quercus alveolata Trel.	Synonym		WCSP
Quercus × alvordiana Eastw.	Accepted		WCSP
Quercus amamiana Hatus.	Synonym		WCSP
Quercus ambigens Jord. [Unplaced]	Unresolved		WCSP
Quercus ambigua Bonpl.	Synonym		WCSP
Quercus ambigua F.Michx. [Illegitimate]	Synonym		WCSP
Quercus ambigua Kit. ex Rochel [Illegitimate]	Synonym		WCSP
Quercus ambivenulosa Trel.	Synonym		WCSP
Quercus amblyodes Gand. [Invalid]	Synonym		WCSP
Quercus amblyoprion Woronow ex Maleev	Synonym		WCSP
Quercus × ambrosyana Simonk.	Unresolved		TRO
Quercus × ambrozyana Simonk.	Synonym		WCSP
Quercus amherstiana Wall. ex Hook.f.	Synonym		WCSP
Quercus amissiloba Trel.	Synonym		WCSP
Quercus amoenifolia Gand. [Invalid]	Synonym		WCSP
Quercus amphioxys Trel.	Synonym		WCSP
Quercus amplifolia Guss.	Synonym		WCSP
Quercus amplissima Gand. [Invalid]	Synonym		WCSP
Quercus ampulleana Gand. [Invalid]	Synonym		WCSP
Quercus amygdalifolia Skan	Synonym		WCSP
Quercus anatolica O.Schwarz	Synonym		WCSP
Quercus × anatolica Sosn. ex Bandin	Accepted		TRO
Quercus anceps Korth.	Synonym		WCSP
Quercus × anceps E.J.Palmer [Illegitimate]	Synonym		WCSP
Quercus × andegavensis Hy	Accepted		WCSP
Quercus × andegavensis var. duffourii A.Camus	Synonym		WCSP
Quercus × andegavensis var. rechinii Rouy	Synonym		WCSP
Quercus andersonii Hook.f. ex C.B.Clarke	Synonym		WCSP
Quercus × andresii R.Alonso & al.	Accepted		WCSP
Quercus × andrewsii Sarg.	Accepted		WCSP
Quercus andromeda Riddell	Synonym		WCSP
Quercus andromeda f. nana Trel.	Synonym		WCSP
Quercus anglica Gand. [Invalid]	Synonym		WCSP
Quercus anglohondurensis C.H.Mull.	Synonym		WCSP
Quercus angulizana Raf.	Synonym		WCSP
Quercus angustata Blume	Synonym		WCSP
Quercus × angustelepidosa Nakai	Synonym		WCSP
Quercus angustifolia Sessé & Moc. [Unplaced]	Unresolved		WCSP
Quercus angustifolia Siebold ex Lavallée [Unplaced]	Unresolved		WCSP
Quercus × angustifolia (Laguna) Villar ex Gonz.Albo	Synonym		WCSP
Quercus angustissima Makino	Synonym		WCSP
Quercus annenkowii Kauffm. ex Trautv. [Unplaced]	Unresolved		WCSP
Quercus annexa Gand. [Invalid]	Synonym		WCSP
Quercus annulata Buckley	Synonym		WCSP
Quercus annulata Korth. [Illegitimate]	Synonym		WCSP
Quercus annulata Hook.f. ex A.DC.	Synonym		WCSP
Quercus annulata Sm.	Accepted		WCSP
Quercus × anselmii Sennen	Synonym		WCSP
Quercus anxiosa Gand. [Invalid]	Synonym		WCSP
Quercus apanecana Trel.	Synonym		WCSP
Quercus apennina Loisel.	Synonym		WCSP
Quercus apiculata Djav.-Khoie	Synonym		WCSP
Quercus apiophylla E.F.Warb.	Synonym		WCSP
Quercus apoensis Elmer	Synonym		WCSP
Quercus apoensis var. ulayan Elmer	Synonym		WCSP
Quercus appenina Lam.	Synonym		WCSP
Quercus appenina subsp. amplifolia (Guss.) Nyman	Synonym		WCSP
Quercus appenina var. cylindracea (Guss. ex Parl.) Nyman	Synonym		WCSP
Quercus appenina var. rumelica (Griseb. & Schenk) Nyman	Synonym		WCSP
Quercus approximata Gand. [Invalid]	Synonym		WCSP
Quercus aprica Raf.	Synonym		WCSP
Quercus apula Gand. [Invalid]	Synonym		WCSP
Quercus aquatica (Lam.) Walter	Synonym		WCSP
Quercus aquatica var. attenuata Aiton	Synonym		WCSP
Quercus aquatica var. cuneata Aiton	Synonym		WCSP
Quercus aquatica var. dentata A.DC.	Synonym		WCSP
Quercus aquatica var. elongata Aiton	Synonym		WCSP
Quercus aquatica var. heterophylla (F.Michx.) Aiton	Synonym		WCSP
Quercus aquatica var. hybrida Chapm.	Synonym		WCSP
Quercus aquatica var. indivisa Aiton	Synonym		WCSP
Quercus aquatica var. laurifolia (Michx.) A.DC.	Synonym		WCSP
Quercus aquatica var. myrtifolia (Willd.) A.DC.	Synonym		WCSP
Quercus aquatica var. nana (Willd.) Nutt.	Synonym		WCSP
Quercus aquatica var. stipitata A.DC.	Synonym		WCSP
Quercus × aquifolia Trab.	Synonym		WCSP
Quercus aquifolia Kotschy ex A.DC.	Synonym		WCSP
Quercus aquifolioides Rehder & E.H.Wilson	Accepted		WCSP
Quercus aquifolioides var. rufescens (Franch.) W.W.Sm.	Synonym		WCSP
Quercus aquifolioides var. rufescens (Franch.) Rehder & E.H. Wilson	Synonym		TRO
Quercus arachnoidea Trel.	Synonym		WCSP
Quercus araxina (Trautv.) Grossh.	Synonym		WCSP
Quercus arbutifolia Hickel & A.Camus	Accepted		WCSP
Quercus arcaula Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus arcaula Buch.-Ham. ex Spreng.	Synonym		TRO
Quercus arcaula var. microcalyx (Korth.) Blume	Synonym		WCSP
Quercus arcaula var. racemosa Blume	Synonym		WCSP
Quercus arcola Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP
Quercus arcuata Kotschy ex A.DC.	Synonym		WCSP
Quercus arenaria Borbás	Synonym		WCSP
Quercus arenicola Ashe [Unplaced]	Unresolved		WCSP
Quercus argentata Korth.	Accepted		WCSP
Quercus argentea Morogues	Synonym		WCSP
Quercus argyi H. Lév.	Synonym		TRO
Quercus argyrophylla Wall. [Invalid]	Synonym		WCSP
Quercus argyrotricha A.Camus	Accepted		WCSP
Quercus ariifolia Trel.	Synonym		WCSP
Quercus arisanensis Hayata	Synonym		WCSP
Quercus aristata Hook. & Arn.	Accepted		WCSP
Quercus aristigera Trel.	Synonym		WCSP
Quercus arizonica Sarg.	Accepted		WCSP
Quercus arizonica var. wootonii Trel.	Synonym		WCSP
Quercus arkansana Sarg.	Accepted		WCSP
Quercus arkansana var. caput-rivuli (Ashe) Ashe	Synonym		WCSP
Quercus armata Roxb.	Synonym		WCSP
Quercus armata D.Don	Synonym		WCSP
Quercus armeniaca Kotschy	Synonym		WCSP
Quercus arnasensis Gand. [Invalid]	Synonym		WCSP
Quercus arrecta Gand. [Invalid]	Synonym		WCSP
Quercus × aruciensis C.Vicioso	Synonym		WCSP
Quercus × asheana Little	Synonym		WCSP
Quercus × ashei Trel.	Accepted		WCSP
Quercus ashei Sterrett [Illegitimate]	Synonym		WCSP
Quercus asiatica Borbás [Unplaced]	Unresolved		WCSP
Quercus aspera Bosc	Synonym		WCSP
Quercus asperata Pers.	Synonym		WCSP
Quercus asplenifolia A.DC.	Synonym		WCSP
Quercus assimilis Gand. [Invalid]	Synonym		WCSP
Quercus asterotricha Borbás & Csató	Synonym		WCSP
Quercus asturica Gand. [Invalid]	Synonym		WCSP
Quercus asymmetrica Hickel & A.Camus	Accepted		WCSP
Quercus × atlantica Ashe	Accepted		WCSP
Quercus atrescentirhachis Trel.	Synonym		WCSP
Quercus atriglans E.F.Warb.	Synonym		WCSP
Quercus × atropatena O.Schwarz & Hess	Synonym		WCSP
Quercus atropurpurea K.Koch	Synonym		WCSP
Quercus atrosanguinea K.Koch	Synonym		WCSP
Quercus atrovirens Sm.	Synonym		WCSP
Quercus attenuata Skan	Synonym		WCSP
Quercus attenuata Gand. [Invalid]	Synonym		WCSP
Quercus aucheri Jaub. & Spach	Accepted		WCSP
Quercus × audleyensis A.Henry [Unplaced]	Unresolved		WCSP
Quercus augustinii Skan	Accepted		WCSP
Quercus augustinii var. angustifolia A.Camus	Synonym		WCSP
Quercus augustinii var. rockiana A.Camus	Synonym		WCSP
Quercus aurantiaca Trel.	Synonym		WCSP
Quercus aurea Wierzb. ex Rchb. [Invalid]	Synonym		WCSP
Quercus aurea (Wierzb. ex Rochel) Kotschy [Illegitimate]	Synonym		WCSP
Quercus aurea Raf.	Synonym		WCSP
Quercus aurea K.Koch [Illegitimate]	Synonym		WCSP
Quercus auricoma A.Camus	Accepted		WCSP
Quercus aurin Bosc	Synonym		WCSP
Quercus australis Link	Synonym		WCSP
Quercus australis A.Kern. [Illegitimate]	Synonym		WCSP
Quercus austriaca Willd.	Synonym		WCSP
Quercus austrina Small	Accepted		WCSP
Quercus austrocochinchinensis Hickel & A.Camus	Accepted		WCSP
Quercus austroglauca (Y.T.Chang) Y.T.Chang	Accepted		WCSP
Quercus authemanii Gand. [Invalid]	Synonym		WCSP
Quercus × autumnalis F.M.Vázquez, S.Ramos & Doncel	Accepted		WCSP
Quercus × auzandrii Gren. & Godr.	Accepted		WCSP
Quercus × auzandrii var. acuta Albert	Synonym		WCSP
Quercus × auzandrii var. melillensis A.Camus	Synonym		WCSP
Quercus × auzandrii var. reynieri (Albert) A.Camus	Synonym		WCSP
Quercus × auzandrii var. subinermis Albert	Synonym		WCSP
Quercus auzin Secondat ex Bosc.	Synonym		WCSP
Quercus avellaniformis Colmeiro & E.Boutelou	Synonym		WCSP
Quercus avellanoides Vuk.	Synonym		WCSP
Quercus axillaris E.Fourn. ex Trel.	Synonym		WCSP
Quercus axillaris Schur	Synonym		WCSP
Quercus bacunensis Vuk.	Synonym		WCSP
Quercus × badensis Beck	Synonym		WCSP
Quercus × baenitzii A.Camus	Accepted		WCSP
Quercus baetica (Webb) Villar	Synonym		WCSP
Quercus baetica H.Buek	Synonym		WCSP
Quercus balansae Drake	Synonym		WCSP
Quercus baldoquinae Trel.	Synonym		WCSP
Quercus ballica Gand. [Invalid]	Synonym		WCSP
Quercus ballota Desf.	Synonym		WCSP
Quercus ballota (Lam.) Nyman	Synonym		TRO
Quercus ballota var. grandifolia Colmeiro	Synonym		WCSP
Quercus ballota var. obovatifolia Colmeiro	Synonym		WCSP
Quercus ballota var. oleoides Welw.	Synonym		TRO
Quercus ballota var. rotundifolia (Lam.) Nyman	Synonym		WCSP
Quercus baloot Griff.	Accepted		WCSP
Quercus balsequillana Trel.	Synonym		WCSP
Quercus bambusifolia Fortune [Invalid]	Synonym		WCSP
Quercus bambusifolia Hance	Synonym		WCSP
Quercus banatica Gand. [Invalid]	Synonym		WCSP
Quercus bancana Scheff.	Synonym		WCSP
Quercus bancana Kurz	Synonym		WCSP
Quercus baneica Djav.-Khoie	Synonym		WCSP
Quercus banga Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus banga Ham. ex Hook.f.	Synonym		WCSP
Quercus baniensis A.Camus	Synonym		WCSP
Quercus banisteri Michx.	Synonym		WCSP
Quercus banja Endl.	Synonym		WCSP
Quercus barbanthera Trel.	Synonym		WCSP
Quercus barbanthera var. calva Trel.	Synonym		WCSP
Quercus barbeyana Trel.	Synonym		WCSP
Quercus barbinervis Benth.	Synonym		WCSP
Quercus × barlandensis Borza [Unplaced]	Unresolved		WCSP
Quercus × barnova Georgescu & Dobrescu [Unplaced]	Unresolved		WCSP
Quercus baronii Skan	Accepted		WCSP
Quercus baronii f. capillata Kozlov	Synonym		WCSP
Quercus baronii var. capillata (Kozlov) Liou	Synonym		WCSP
Quercus baronii var. pendula S.Y.Wang & C.L.Chang	Synonym		WCSP
Quercus baruensis C.H.Mull.	Synonym		WCSP
Quercus × basaseachicensis C.H.Mull.	Accepted		WCSP
Quercus basellata Chun & W.C.Ko	Synonym		WCSP
Quercus batavica Gand. [Invalid]	Synonym		WCSP
Quercus × battandieri A.Camus	Accepted		WCSP
Quercus bavarica Gand. [Invalid]	Synonym		WCSP
Quercus baviensis Drake	Synonym		WCSP
Quercus bawanglingensis C.C.Huang, Ze X.Li & F.W.Xing [Unplaced]	Unresolved		WCSP
Quercus × beadlei Trel.	Synonym		WCSP
Quercus × beaumontiana Sarg.	Accepted		WCSP
Quercus × bebbiana C.K.Schneid.	Accepted		WCSP
Quercus beccariana Benth.	Synonym		WCSP
Quercus × beckyae Gaynor	Accepted		WCSP
Quercus × bedoi Simonk. & Fekete [Illegitimate]	Synonym		WCSP
Quercus bedoi Borbás	Synonym		WCSP
Quercus × beguinotii Gavioli	Accepted		WCSP
Quercus belgica Gand. [Invalid]	Synonym		WCSP
Quercus bella Chun & Tsiang	Accepted		WCSP
Quercus bellogradensis Borbás	Synonym		WCSP
Quercus bellojocensis Gand.	Synonym		WCSP
Quercus bellota Colmeiro & E.Boutelou	Synonym		WCSP
Quercus × benderi Baen.	Accepted		WCSP
Quercus × benkoi Mátyás	Accepted		WCSP
Quercus bennettii Miq.	Synonym		WCSP
Quercus benthamii A.DC.	Accepted		WCSP
Quercus benthamii x cortesii	Unresolved		TRO
Quercus benthamii x salicifolia	Unresolved		TRO
Quercus berberidifolia Liebm.	Accepted		WCSP
Quercus × bernardensis W.Wolf	Accepted		WCSP
Quercus bertolonii Gand. [Invalid]	Synonym		WCSP
Quercus × bertrandii Albert & Reyn.	Synonym		WCSP
Quercus bicolor Willd.	Accepted		WCSP
Quercus bicolor var. angustifolia Dippel	Synonym		WCSP
Quercus bicolor var. cuneiformis Dippel	Synonym		WCSP
Quercus bicolor var. lyrata (Walter) Dippel	Synonym		WCSP
Quercus bicolor var. michauxii (Nutt.) Chapm.	Synonym		WCSP
Quercus bicolor subsp. michauxii (Nutt.) Sarg.	Synonym		WCSP
Quercus bicolor var. mollis Nutt.	Synonym		WCSP
Quercus bicolor var. platanoides (Castigl.) A.DC.	Synonym		WCSP
Quercus bicolorata Elmer	Synonym		WCSP
Quercus biglandulosa Lavallée [Unplaced]	Unresolved		WCSP
Quercus × bimundorum E.J.Palmer	Accepted		WCSP
Quercus bipedalis Trel.	Synonym		WCSP
Quercus × bivonana Guss.	Accepted		WCSP
Quercus blackei S.C.Lee	Synonym		WCSP
Quercus blakei Skan	Accepted		WCSP
Quercus blakei var. parvifolia Merr.	Synonym		WCSP
Quercus blakei var. vaniotii (H.Lév.) Chun	Synonym		WCSP
Quercus blancoi A.DC.	Synonym		WCSP
Quercus blaoensis A.Camus	Synonym		WCSP
Quercus × blufftonensis Trel.	Accepted		WCSP
Quercus blumeana Korth.	Synonym		WCSP
Quercus blumeana Koord. & Valeton	Synonym		WCSP
Quercus bocoynensis C.H.Mull.	Synonym		WCSP
Quercus boholensis Merr.	Synonym		WCSP
Quercus boissieri Reut.	Synonym		WCSP
Quercus boissieri subsp. latifolia (Boiss.) O.Schwarz	Synonym		WCSP
Quercus boissieri var. latifolia (Boiss.) Zohary	Synonym		WCSP
Quercus boissieri var. microphylla (A.Camus) Zohary	Synonym		WCSP
Quercus boissieri subsp. petiolaris (Boiss. & Heldr.) O.Schwarz	Synonym		WCSP
Quercus boissieri var. petiolaris (Boiss. & Heldr.) Zohary	Synonym		WCSP
Quercus boissieri var. stenophylla (Eig ex A.Camus) Zohary	Synonym		WCSP
Quercus boissieri subsp. tauricola (Kotschy) O.Schwarz	Synonym		WCSP
Quercus bolanyosensis Trel.	Synonym		WCSP
Quercus bombyx K.Koch	Synonym		WCSP
Quercus bonplandiana Sweet [Illegitimate]	Synonym		WCSP
Quercus boqueronae Trel.	Synonym		WCSP
Quercus boquetensis Standl.	Synonym		WCSP
Quercus borealis Gand. [Invalid]	Synonym		WCSP
Quercus borealis F.Michx.	Synonym		WCSP
Quercus borealis f. flabellata (Croizat) Rehder	Synonym		WCSP
Quercus borealis var. flabellata Croizat	Synonym		WCSP
Quercus borealis var. maxima (Marshall) Sargent	Synonym		WCSP
Quercus borealis var. pilosa (Schur) Simonk.	Synonym		WCSP
Quercus borneensis Merr.	Synonym		WCSP
Quercus bornmuelleriana O.Schwarz	Synonym		WCSP
Quercus borosii Mátyás [Unplaced]	Unresolved		WCSP
Quercus borucasana Trel.	Accepted		WCSP
Quercus borzii A.Camus	Synonym		WCSP
Quercus × bossebovii Hy	Synonym		WCSP
Quercus botryocarpa Trel.	Synonym		WCSP
Quercus bourgaei Oerst. ex Hemsl.	Synonym		WCSP
Quercus bourgaei Oerst. ex Trel.	Synonym		TRO
Quercus bourgaei var. ilicifolia Trel.	Synonym		WCSP
Quercus boyacensis Cuatrec.	Accepted		WCSP
Quercus boyntonii Beadle	Accepted		WCSP
Quercus brachybalanos Kotschy ex A.DC.	Synonym		WCSP
Quercus brachycarpa Kotschy ex A.DC.	Synonym		WCSP
Quercus brachycarpa Guss. ex Parl.	Synonym		WCSP
Quercus brachyclada Seemen	Synonym		WCSP
Quercus brachyloba Jord.	Synonym		WCSP
Quercus brachylobus Gand. [Invalid]	Synonym		WCSP
Quercus brachyphylla Kotschy	Synonym		WCSP
Quercus brachyphylloides Vuk.	Synonym		WCSP
Quercus brachystachys Benth.	Synonym		WCSP
Quercus brachystachys f. caerulea Trel.	Synonym		WCSP
Quercus brachystachys f. venulosa Trel.	Synonym		WCSP
Quercus braianensis A.Camus	Accepted		WCSP
Quercus brandegeei Goldman	Accepted		WCSP
Quercus brandisiana Kurz	Accepted		WCSP
Quercus brandisii (Vuk.) Vuk.	Synonym		WCSP
Quercus brantii Lindl.	Accepted		WCSP
Quercus brantii var. belangeri (A.DC.) Zohary	Synonym		WCSP
Quercus brantii var. marasiensis Zohary	Synonym		WCSP
Quercus brantii var. minuta Zohary	Synonym		WCSP
Quercus brantii subsp. oophora (Kotschy) O.Schwarz	Synonym		WCSP
Quercus brantii var. oophora (Kotschy) Zohary	Synonym		WCSP
Quercus brantii subsp. persica (Jaub. & Spach) O.Schwarz	Synonym		WCSP
Quercus brantii var. persica (Jaub. & Spach) Zohary	Synonym		WCSP
Quercus brantii var. stenolepis Zohary	Synonym		WCSP
Quercus × braunii Borbás	Synonym		WCSP
Quercus brayi Small	Synonym		WCSP
Quercus brenesii Trel.	Accepted		WCSP
Quercus brevicalyx A.Camus	Accepted		WCSP
Quercus brevicaudata Skan	Synonym		WCSP
Quercus brevifolia Sarg. [Illegitimate]	Synonym		WCSP
Quercus brevifolia Kotschy ex A.DC.	Synonym		WCSP
Quercus breviloba (Torr.) Sarg.	Synonym		WCSP
Quercus breviloba f. argentata Trel.	Synonym		WCSP
Quercus breviloba subsp. laceyi (Small) A.Camus	Synonym		WCSP
Quercus breviloba f. laceyi (Small) Trel.	Synonym		WCSP
Quercus breviloba subsp. pseudocrispata (A.Camus) A.Camus	Synonym		WCSP
Quercus breviloba f. san sabia (Buckley ex M.J. Young) Buckley	Synonym		TRO
Quercus brevipedunculata Cariot & St.-Lag.	Synonym		WCSP
Quercus brevipedunculata var. pubescens (Willd.) Cariot & St.-Lag.	Synonym		WCSP
Quercus brevipes A.Kern.	Synonym		WCSP
Quercus brevipes Borbás	Synonym		WCSP
Quercus brevipetiolata Scheff.	Synonym		WCSP
Quercus breviradiata (W.C.Cheng) C.C.Huang	Accepted		WCSP
Quercus brevistyla A.Camus	Synonym		WCSP
Quercus breweri Engelm.	Synonym		WCSP
Quercus × brittonii W.T.Davis	Accepted		WCSP
Quercus brossa Bosc	Synonym		WCSP
Quercus broteroi (Cout.) Rivas Mart. & Sáenz de Rivas	Synonym		WCSP
Quercus brumalis Gand. [Invalid]	Synonym		WCSP
Quercus brunnea H.Lév.	Synonym		WCSP
Quercus brutia Ten.	Synonym		WCSP
Quercus brutia subsp. haas (Kotschy) O.Schwarz	Synonym		WCSP
Quercus brutia subsp. pedunculiflora (K.Koch) O.Schwarz	Synonym		WCSP
Quercus brutia var. thomasii (Ten.) Simonk. ex Nyman	Synonym		WCSP
Quercus brutiorum Gand. [Invalid]	Synonym		WCSP
Quercus bruttia Borbás	Synonym		WCSP
Quercus buccarana Vuk.	Synonym		WCSP
Quercus buckleyi Nixon & Dorr	Accepted		WCSP
Quercus budayana Haberle ex Heuff.	Synonym		WCSP
Quercus buddii Merr.	Synonym		WCSP
Quercus budensis (Borbás) Borbás	Synonym		WCSP
Quercus × budenziana Borbás	Synonym		WCSP
Quercus buergeri Blume	Synonym		WCSP
Quercus bulgurluensis A.Camus [Unplaced]	Unresolved		WCSP
Quercus bullata Seemen	Synonym		WCSP
Quercus bulusanensis Elmer [Illegitimate]	Synonym		WCSP
Quercus bumelifolia Riddell	Synonym		WCSP
Quercus bumelioides Liebm.	Synonym		WCSP
Quercus bungeana F.B.Forbes	Synonym		WCSP
Quercus × burnetensis Little	Accepted		WCSP
Quercus × bushii Sarg.	Accepted		WCSP
Quercus × byarsii Sudw. ex Trel.	Accepted		WCSP
Quercus byzantina Borbás	Synonym		WCSP
Quercus × caduca Trel.	Accepted		WCSP
Quercus caeruleocarpa Trel.	Synonym		WCSP
Quercus × caesariensis Moldenke	Accepted		WCSP
Quercus cagayanensis Merr.	Synonym		WCSP
Quercus calabrica Gand. [Invalid]	Synonym		WCSP
Quercus calathiformis Skan	Synonym		WCSP
Quercus calcarea Troitsky	Synonym		WCSP
Quercus calcarea Gand. [Invalid]	Synonym		WCSP
Quercus calcicola Gand. [Invalid]	Synonym		WCSP
Quercus californica (Torr.) Cooper	Synonym		WCSP
Quercus callicarpifolia Griff.	Synonym		WCSP
Quercus calliprinos Webb	Synonym		WCSP
Quercus calliprinos var. arcuata Kotschy ex A.DC.	Synonym		WCSP
Quercus calliprinos var. brachybalanos (Kotschy ex A.DC.) A.DC.	Synonym		WCSP
Quercus calliprinos var. consobrina A.DC.	Synonym		WCSP
Quercus calliprinos var. dipsacina Kotschy	Synonym		WCSP
Quercus calliprinos var. dispar Kotschy	Synonym		WCSP
Quercus calliprinos var. eigii A.Camus	Synonym		WCSP
Quercus calliprinos var. eucallliprinos A.DC.	Synonym		WCSP
Quercus calliprinos var. fenzlii (Kotschy) A.Camus	Synonym		WCSP
Quercus calliprinos var. inops (Kotschy ex A.DC.) A.DC.	Synonym		WCSP
Quercus calliprinos var. integrifolia (Boiss.) A.Camus	Synonym		WCSP
Quercus calliprinos var. leptolepis A.DC.	Synonym		WCSP
Quercus calliprinos var. pachybalanos A.DC.	Synonym		WCSP
Quercus calliprinos var. palaestina (Kotschy) Zohary	Synonym		WCSP
Quercus calliprinos var. puberula Zohary	Synonym		WCSP
Quercus calliprinos var. recurvans (Kotschy ex A.DC.) A.Camus	Synonym		WCSP
Quercus calliprinos var. rigida (Willd.) A.DC.	Synonym		WCSP
Quercus calliprinos var. subaquifolia A.Camus	Synonym		WCSP
Quercus calliprinos var. subglobosa Zohary	Synonym		WCSP
Quercus calliprinos var. valida A.DC.	Synonym		WCSP
Quercus callosa M.Martens ex A.DC.	Synonym		WCSP
Quercus callosa Benth.	Synonym		WCSP
Quercus calophylla Schltdl. & Cham.	Synonym		WCSP
Quercus calophylla f. acuminata (M.Martens & Galeotti) Seem. ex Trel.	Synonym		WCSP
Quercus calophylla f. alamo (Benth.) Trel.	Synonym		WCSP
Quercus calophylla f. flavida (Liebm.) Trel.	Synonym		WCSP
Quercus calophylla f. intermedia (M.Martens & Galeotti) Seem. ex Trel.	Synonym		WCSP
Quercus calophylla f. schiedeana Trel.	Synonym		WCSP
Quercus calophylla f. willdenowii Trel.	Synonym		WCSP
Quercus × calvescens Vuk.	Synonym		WCSP
Quercus calycina Poir.	Synonym		WCSP
Quercus camata Petz. & G.Kirchn.	Synonym		WCSP
Quercus cambodiensis Hickel & A.Camus	Synonym		WCSP
Quercus campanariensis Trel.	Synonym		WCSP
Quercus × campitica Hadjik. & Hand	Accepted		WCSP
Quercus camusiae Trel. ex Hickel & A.Camus	Accepted		WCSP
Quercus cana Steud.	Synonym		WCSP
Quercus canariensis Willd.	Accepted		WCSP
Quercus canariensis var. carpinifolia C.Vicioso	Synonym		WCSP
Quercus canariensis var. mirbeckii (Durieu) C.Vicioso	Synonym		WCSP
Quercus canariensis var. salzmanniana (Webb) C.Vicioso	Synonym		WCSP
Quercus canbyi Trel.	Accepted		WCSP
Quercus canbyi Cory & Parks	Synonym		TRO
Quercus canbyi f. ascendens Trel.	Synonym		WCSP
Quercus canbyi f. attenuata C.H.Mull.	Synonym		WCSP
Quercus canbyi f. berlandieri Trel.	Synonym		WCSP
Quercus canbyi f. concolor Trel. & C.H.Müll.	Synonym		WCSP
Quercus canbyi f. karwinskii (Trel.) C.H.Mull.	Synonym		WCSP
Quercus canbyi f. pedunculata C.H.Mull.	Synonym		WCSP
Quercus canbyi f. setacea C.H.Mull.	Synonym		WCSP
Quercus canbyi f. subovatifolia C.H.Mull.	Synonym		WCSP
Quercus canbyi trel x galeanensis C.H. Mull.	Unresolved		TRO
Quercus cancellata Trel.	Synonym		WCSP
Quercus candicans Née	Accepted		WCSP
Quercus candicans var. alligata Trel.	Synonym		WCSP
Quercus candicans f. alligata Trel.	Synonym		TRO
Quercus candicans f. incurva Trel.	Synonym		WCSP
Quercus candicans f. michoacana Trel.	Synonym		WCSP
Quercus candida Steud.	Synonym		WCSP
Quercus candolleana Trel.	Synonym		WCSP
Quercus canescens Blume	Synonym		WCSP
Quercus canescens var. urticifolia (Blume) Miq.	Synonym		WCSP
Quercus × cantabrica C.Vicioso	Accepted		WCSP
Quercus cantleyana King ex Hook.f.	Synonym		WCSP
Quercus × capesii W.Wolf	Accepted		WCSP
Quercus caput-rivuli Ashe	Synonym		WCSP
Quercus caraballoana Fern.-Vill.	Synonym		WCSP
Quercus carduchorum K.Koch	Synonym		WCSP
Quercus carlesii Hemsl.	Synonym		WCSP
Quercus carmenensis C.H.Mull.	Accepted		WCSP
Quercus carnerosana Trel.	Synonym		WCSP
Quercus carolinae Skan ex Dunn	Synonym		WCSP
Quercus carolineana Dippel	Synonym		WCSP
Quercus carolinensis Münchh. [Unplaced]	Unresolved		WCSP
Quercus × carolinensis Trel. [Illegitimate]	Synonym		WCSP
Quercus carpatica Kit. [Unplaced]	Unresolved		WCSP
Quercus carpenteri Riddell	Synonym		WCSP
Quercus carpinea Kotschy ex A.DC.	Synonym		WCSP
Quercus carpinifolia Raf.	Synonym		WCSP
Quercus carpinifolia Sennen [Illegitimate]	Synonym		WCSP
Quercus carpostachys H.Lév. & Vaniot	Synonym		WCSP
Quercus × carrissoana A.Camus	Accepted		WCSP
Quercus cassura Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus castanea Muhl. [Illegitimate]	Synonym		WCSP
Quercus castanea Née	Accepted		WCSP
Quercus castanea G.B.Emers. [Illegitimate]	Synonym		WCSP
Quercus castanea A. DC.	Synonym		TRO
Quercus castanea var. elliptica Trel.	Synonym		WCSP
Quercus castanea var. glabrata (Liebm. ex Seem.) A.DC.	Synonym		WCSP
Quercus castanea var. integra Oerst.	Synonym		WCSP
Quercus castanea var. macrophylla Hampton	Synonym		WCSP
Quercus castanea var. mexicana (Bonpl.) A.DC.	Synonym		WCSP
Quercus castanea var. prinoides (Willd.) Muhl. ex Engelm.	Synonym		WCSP
Quercus castanea var. sublobata A.DC.	Synonym		WCSP
Quercus castanea var. tridens (Bonpl.) A.DC.	Synonym		WCSP
Quercus castaneifolia Coss. ex J.Gay	Synonym		WCSP
Quercus castaneifolia C.A.Mey.	Accepted		WCSP
Quercus castaneifolia subsp. afares (Pomel) Maire	Synonym		WCSP
Quercus castaneifolia subsp. aitchisoniana A.Camus	Synonym		WCSP
Quercus castaneifolia var. glabriuscula A.DC.	Synonym		WCSP
Quercus castaneifolia var. incana Batt. & Trab.	Synonym		WCSP
Quercus castaneifolia subsp. incurvata Djav.-Khoie	Synonym		WCSP
Quercus castaneifolia var. obtusiloba Freyn	Synonym		WCSP
Quercus castaneifolia subsp. subrotundata Djav.-Khoie	Synonym		WCSP
Quercus castaneifolia subsp. triangularis Djav.-Khoie	Synonym		WCSP
Quercus castaneifolia subsp. undulata Djav.-Khoie	Synonym		WCSP
Quercus castaneifolia var. virescens Batt. & Trab.	Synonym		WCSP
Quercus castanicarpa Roxb.	Synonym		WCSP
Quercus castaniifolia Pantan.	Synonym		WCSP
Quercus castanoides Vuk.	Synonym		WCSP
Quercus castanopsifolia Hayata	Synonym		WCSP
Quercus castanopsis H.Lév.	Synonym		WCSP
Quercus castellana Poir.	Synonym		WCSP
Quercus castellana Bosc ex Pers.	Synonym		WCSP
Quercus castellarnauiana Vidal	Synonym		WCSP
Quercus × castoi Borbás	Synonym		WCSP
Quercus × catalaunica Sennen	Synonym		WCSP
Quercus × catalaunica Sennen & Pau	Synonym		WCSP
Quercus catalaunica Gand. [Invalid]	Synonym		WCSP
Quercus catesbaei Michx.	Synonym		WCSP
Quercus catesbaei f. rappii (Trel.) A.Camus	Synonym		WCSP
Quercus cathayana Seemen	Synonym		WCSP
Quercus catungea Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus caudata Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus caudatifolia Merr.	Synonym		WCSP
Quercus caudatilimba Merr.	Synonym		WCSP
Quercus cavaleriei H.Lév. & Vaniot	Synonym		WCSP
Quercus cedrorum Kotschy	Synonym		WCSP
Quercus cedrosensis C.H.Mull.	Accepted		WCSP
Quercus celebica Miq.	Synonym		WCSP
Quercus × celtica F.M.Vázquez & al.	Accepted		WCSP
Quercus cenomanensis Desf. ex Endl.	Synonym		WCSP
Quercus centralis Trel.	Synonym		WCSP
Quercus centralis f. heterophylla Trel.	Synonym		WCSP
Quercus cepifera H.Lév. [Unplaced]	Unresolved		WCSP
Quercus cerifera Trel.	Synonym		WCSP
Quercus ceripes Trel.	Synonym		WCSP
Quercus cerridolepis O.Schwarz [Unplaced]	Unresolved		WCSP
Quercus cerrifolia Villar [Unplaced]	Unresolved		WCSP
Quercus × cerrioides Willk. & Costa	Accepted		WCSP
Quercus × cerrioides f. peduncularis C.Vicioso	Synonym		WCSP
Quercus cerris L.	Accepted		WCSP
Quercus cerris Pall. [Illegitimate]	Synonym		WCSP
Quercus cerris Blanco [Illegitimate]	Synonym		WCSP
Quercus cerris DC.	Misapplied		WCSP
Quercus cerris subsp. austriaca (Willd.) Nyman	Synonym		WCSP
Quercus cerris var. austriaca (Willd.) Loudon	Synonym		WCSP
Quercus cerris subsp. austriaca (Willd.) O. Schwarz	Synonym		TRO
Quercus cerris f. balatae Boros ex Mátyás	Synonym		WCSP
Quercus cerris f. basi-cuneata Mátyás	Synonym		WCSP
Quercus cerris var. bipinnatifida Schur	Synonym		WCSP
Quercus cerris var. bithynica A.Camus	Synonym		WCSP
Quercus cerris var. caramanica Kotschy	Synonym		WCSP
Quercus cerris var. crispa Loudon	Synonym		WCSP
Quercus cerris var. crispata (Steven) Hausskn.	Synonym		WCSP
Quercus cerris f. cyclloloba Borbás	Synonym		WCSP
Quercus cerris var. dentata P.Watson	Synonym		WCSP
Quercus cerris var. fulhamensis Loudon	Synonym		WCSP
Quercus cerris var. gussonei Borzí	Synonym		WCSP
Quercus cerris var. haliphlaeos (Lam.) Lam.	Synonym		WCSP
Quercus cerris var. heterophylla Loudon	Synonym		WCSP
Quercus cerris f. laciniatolyrata Mátyás	Synonym		WCSP
Quercus cerris f. lancifolia Georgescu & Morariu	Synonym		WCSP
Quercus cerris f. leviterlobata Mátyás	Synonym		WCSP
Quercus cerris var. longimucronata Hausskn.	Synonym		WCSP
Quercus cerris var. lucombeana (Sweet) Loudon	Synonym		WCSP
Quercus cerris f. macrophylla Georgescu & Morariu	Synonym		WCSP
Quercus cerris var. pendula Neill	Synonym		WCSP
Quercus cerris f. pendula (Neill) Asch. & Graebn.	Synonym		WCSP
Quercus cerris var. pseudocerris (Boiss.) Boiss.	Synonym		WCSP
Quercus cerris f. roborilobata Mátyás	Synonym		WCSP
Quercus cerris var. sinuata Schur	Synonym		WCSP
Quercus cerris f. sinuatolobata Mátyás	Synonym		WCSP
Quercus cerris var. subperennis A.DC.	Synonym		WCSP
Quercus cerris var. tomentosa DC.	Synonym		WCSP
Quercus cerris var. tournefortii (Willd.) K.Koch	Synonym		WCSP
Quercus cerris subsp. tournefortii (Willd.) O.Schwarz	Synonym		WCSP
Quercus cerris f. verae-csapodyae Mátyás	Synonym		WCSP
Quercus chaberti Gand. [Invalid]	Synonym		WCSP
Quercus chainolepis Kotschy ex A.DC.	Synonym		WCSP
Quercus championii Benth.	Accepted		WCSP
Quercus chapensis Hickel & A.Camus	Synonym		WCSP
Quercus chapmanii Sarg.	Accepted		WCSP
Quercus charcasana Trel. ex A.Camus	Accepted		WCSP
Quercus chartacea Trel.	Accepted		WCSP
Quercus × chasei McMinn, Babc. & Righter	Synonym		WCSP
Quercus chenii Nakai	Accepted		WCSP
Quercus chenii var. linanensis M.C.Liu & X.L.Shenin	Synonym		WCSP
Quercus chesosensis (Sarg.) C.H.Mull.	Synonym		WCSP
Quercus chevalieri Hickel & A.Camus	Accepted		WCSP
Quercus chevalieri auct. non Hickel & A. Camus	Synonym		TRO
Quercus chiapasensis Trel.	Synonym		WCSP
Quercus chiapasensis f. cuneifolia Trel.	Synonym		WCSP
Quercus chiapasensis f. falcilobata Trel.	Synonym		WCSP
Quercus chiapasensis f. flagellata Trel.	Synonym		WCSP
Quercus chiapasensis f. longipes Trel.	Synonym		WCSP
Quercus chiapasensis f. petiolata Trel.	Synonym		WCSP
Quercus chiapasensis f. subcuneata Trel.	Synonym		WCSP
Quercus chicamolensis Trel.	Synonym		WCSP
Quercus chichavacana Trel.	Synonym		WCSP
Quercus chichavacana f. oblanceolata C.H.Mull.	Synonym		WCSP
Quercus chichavacana f. sublobata C.H.Mull.	Synonym		WCSP
Quercus chichavacana f. undulata C.H.Mull.	Synonym		WCSP
Quercus chihuahuensis Trel.	Accepted		WCSP
Quercus chihuahuensis f. amplifolia Trel.	Synonym		WCSP
Quercus chihuahuensis f. microphylloides Trel.	Synonym		WCSP
Quercus chihuahuensis f. tenuis Trel.	Synonym		WCSP
Quercus chimaltenangana Trel.	Accepted		WCSP
Quercus chimaltenangana f. gemmata C.H.Mull.	Synonym		WCSP
Quercus chimaltenangensis f. gemmata C.H. Mull.	Synonym		TRO
Quercus chinantlensis Liebm.	Accepted		WCSP
Quercus chincapin (F.Michx.) Raf.	Synonym		WCSP
Quercus chinensis Bunge	Synonym		WCSP
Quercus chinensis Abel	Synonym		WCSP
Quercus chingii F.P.Metcalf	Synonym		WCSP
Quercus chingsiensis Y.T.Chang	Synonym		WCSP
Quercus chinquapin Pursh	Synonym		WCSP
Quercus chiquihuitillonis Trel.	Synonym		WCSP
Quercus chiriquiensis Trel. ex C.H. Mull.	Synonym		TRO
Quercus chiriquina Trel. ex C.H. Mull.	Synonym		TRO
Quercus chrysocalyx Hickel & A.Camus	Accepted		WCSP
Quercus chrysolepis Liebm.	Accepted		WCSP
Quercus chrysolepis var. grandis (Jeps.) Jeps.	Synonym		WCSP
Quercus chrysolepis f. grandis Jeps.	Synonym		WCSP
Quercus chrysolepis f. hansenii Jeps.	Synonym		WCSP
Quercus chrysolepis var. hansenii (Jeps.) Jeps.	Synonym		WCSP
Quercus chrysolepis f. nana Jeps.	Synonym		WCSP
Quercus chrysolepis var. nana (Jeps.) Jeps.	Synonym		WCSP
Quercus chrysolepis var. palmeri (Engelm.) Engelm.	Synonym		WCSP
Quercus chrysolepis var. palmeri (Engelm.) Wenz.	Synonym		TRO
Quercus chrysolepis var. pendula (Jeps.) Jeps.	Synonym		WCSP
Quercus chrysolepis f. pendula Jeps.	Synonym		WCSP
Quercus chrysolepis subsp. tomentella (Engelm.) A.E.Murray	Synonym		WCSP
Quercus chrysolepis var. tomentella (Engelm.) A.E.Murray	Synonym		WCSP
Quercus chrysolepis var. vacciniifolia (Kellogg) Engelm.	Synonym		WCSP
Quercus chrysolepis subsp. vacciniifolia (Kellogg) A.E.Murray	Synonym		WCSP
Quercus chrysolepis subsp. wilcoxii (Rydb.) A.E.Murray	Synonym		WCSP
Quercus chrysolepis var. wilcoxii (Rydb.) A.E.Murray	Synonym		WCSP
Quercus chrysophylla Bonpl.	Synonym		WCSP
Quercus chrysophyllus Kellogg	Synonym		WCSP
Quercus × chrysopoda Borbás	Synonym		WCSP
Quercus chrysotricha A.Camus	Accepted		WCSP
Quercus chuhuichupensis C.H.Mull.	Synonym		WCSP
Quercus chungii F.P.Metcalf	Accepted		WCSP
Quercus chymodon Gand. [Invalid]	Synonym		WCSP
Quercus chymophyllla Gand. [Invalid]	Synonym		WCSP
Quercus ciliaris C.C.Huang & Y.T.Chang	Accepted		WCSP
Quercus cinerea Michx.	Synonym		WCSP
Quercus cinerea Raf. [Illegitimate]	Synonym		WCSP
Quercus cinerea var. dentatolobata A.DC.	Synonym		WCSP
Quercus cinerea f. dentatolobata (A.DC.) Trel.	Synonym		WCSP
Quercus cinerea var. humilis (Pursh) A.DC.	Synonym		WCSP
Quercus cinerea var. nana A.DC.	Synonym		WCSP
Quercus cinerea var. pumila (Walter) M.A.Curtis	Synonym		WCSP
Quercus cinnamomea Trel.	Synonym		WCSP
Quercus cintrana Welw. ex Nyman	Synonym		WCSP
Quercus circinata Née	Synonym		WCSP
Quercus circummontana Trel.	Synonym		WCSP
Quercus cistetorum Gand. [Invalid]	Synonym		WCSP
Quercus citrifolia Liebm.	Synonym		WCSP
Quercus classinervia A.DC.	Synonym		WCSP
Quercus clathrata Seemen	Synonym		WCSP
Quercus cleistocarpa Seemen	Synonym		WCSP
Quercus × clementei C.Vicioso	Synonym		WCSP
Quercus clementiana King ex Hook.f.	Synonym		WCSP
Quercus clementis Merr.	Synonym		WCSP
Quercus clivia Dehnh. ex Pasq. [Unplaced]	Unresolved		WCSP
Quercus clivicola Trel. & C.H.Müll.	Synonym		WCSP
Quercus clivicola f. consanguinea C.H.Mull.	Synonym		WCSP
Quercus clivicola f. crenifolia Trel. & C.H.Müll.	Synonym		WCSP
Quercus clivicola f. dentata Trel. & C.H.Müll.	Synonym		WCSP
Quercus clivicola f. elongata C.H.Mull.	Synonym		WCSP
Quercus coahuilensis Nixon & C.H.Müll.	Accepted		WCSP
Quercus coccifera L.	Accepted		WCSP
Quercus coccifera var. adpressa Albert	Synonym		WCSP
Quercus coccifera f. angustifolia Laguna	Synonym		WCSP
Quercus coccifera var. auzandrii (Gren. & Godr.) Jahand. & Maire	Synonym		WCSP
Quercus coccifera var. brachycarpa Willk.	Synonym		WCSP
Quercus coccifera f. brevicupulata (Batt. & Trab.) F.M.Vázquez	Synonym		WCSP
Quercus coccifera var. brevicupulata Batt. & Trab.	Synonym		WCSP
Quercus coccifera subsp. calliprinos (Webb) Holmboe	Synonym		WCSP
Quercus coccifera var. calliprinos (Webb) Boiss.	Synonym		WCSP
Quercus coccifera var. corcyrensis Sprenger	Synonym		WCSP
Quercus coccifera f. crassicupulata (Batt. & Trab.) F.M.Vázquez	Synonym		WCSP
Quercus coccifera var. crassicupulata Batt. & Trab.	Synonym		WCSP
Quercus coccifera subsp. cryptocarpa Svent. & Marcet	Synonym		WCSP
Quercus coccifera f. densispinosa Cout.	Synonym		WCSP
Quercus coccifera f. dolichocarpa (A.Camus) F.M.Vázquez	Synonym		WCSP
Quercus coccifera var. dolichocarpa A.Camus	Synonym		WCSP
Quercus coccifera var. echinata Albert	Synonym		WCSP
Quercus coccifera f. exserta Cout.	Synonym		WCSP
Quercus coccifera f. imbricata (A.DC.) F.M.Vázquez	Synonym		WCSP
Quercus coccifera var. imbricata A.DC.	Synonym		WCSP
Quercus coccifera var. integrifolia Boiss.	Synonym		WCSP
Quercus coccifera subsp. kryptocarpa Svent. & Marcet	Synonym		WCSP
Quercus coccifera f. lanceolata Cout.	Synonym		WCSP
Quercus coccifera var. latifolia Batt. & Trab.	Synonym		WCSP
Quercus coccifera f. laxispinosa Cout.	Synonym		WCSP
Quercus coccifera f. macrocarpa (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus coccifera var. macrocarpa Cout.	Synonym		WCSP
Quercus coccifera subsp. mesto (Boiss.) Nyman	Synonym		WCSP
Quercus coccifera var. microphylla Batt. & Trab.	Synonym		WCSP
Quercus coccifera var. ortholepis A.Camus	Synonym		WCSP
Quercus coccifera var. palaestina (Kotschy) Boiss.	Synonym		WCSP
Quercus coccifera subsp. palaestina (Kotschy) Holmboe	Synonym		WCSP
Quercus coccifera subsp. pseudococcifera (Desf.) Holmboe	Synonym		WCSP
Quercus coccifera var. pseudococcifera Nyman	Synonym		WCSP
Quercus coccifera f. puberula Cout.	Synonym		WCSP
Quercus coccifera var. refracta Albert	Synonym		WCSP
Quercus coccifera var. rigida (Willd.) Boiss.	Synonym		WCSP
Quercus coccifera var. stenocarpa Albert	Synonym		WCSP
Quercus coccifera f. subinclusa Cout.	Synonym		WCSP
Quercus coccifera f. subintegrifolia Cout.	Synonym		WCSP
Quercus coccifera f. tomentosa Cout.	Synonym		WCSP
Quercus coccifera var. ubrellifera Sprenger	Synonym		WCSP
Quercus coccifera var. vera A.DC.	Synonym		WCSP
Quercus cocciferoides Hand.-Mazz.	Accepted		WCSP
Quercus cocciferoides var. taliensis (A.Camus) Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus coccinata Trel.	Synonym		WCSP
Quercus coccinea Münchh.	Accepted		WCSP
Quercus coccinea var. ambigua (F.Michx.) A.Gray	Synonym		WCSP
Quercus coccinea var. cucullata Petz. & G.Kirchn.	Synonym		WCSP
Quercus coccinea var. microcarpa Torr.	Synonym		WCSP
Quercus coccinea var. microcarpa Vasey	Synonym		TRO
Quercus coccinea var. nigrescens A.DC.	Synonym		WCSP
Quercus coccinea var. pendula Petz. & G.Kirchn.	Synonym		WCSP
Quercus coccinea var. rugelii A.DC.	Synonym		WCSP
Quercus coccinea var. tinctoria (Bartram) A.DC.	Synonym		WCSP
Quercus coccinea var. tuberculata Sarg.	Synonym		WCSP
Quercus coccinea var. undulata Petz. & G.Kirchn.	Synonym		WCSP
Quercus coccolobifolia Trel.	Synonym		WCSP
Quercus × cocksii Sarg.	Accepted		WCSP
Quercus coffeicolor Trel.	Accepted		WCSP
Quercus colchica Czeczott	Synonym		WCSP
Quercus colimae Trel.	Synonym		WCSP
Quercus colimae f. zauzillo Trel.	Synonym		WCSP
Quercus collina Schleich. ex Endl.	Synonym		WCSP
Quercus collivaga Gand. [Invalid]	Synonym		WCSP
Quercus colombiana Cuatrec.	Accepted		WCSP
Quercus × coloradensis Ashe [Illegitimate]	Synonym		WCSP
Quercus columbaria Vuk.	Synonym		WCSP
Quercus × columnaris Laughlin	Accepted		WCSP
Quercus × comari Albert	Synonym		WCSP
Quercus × comari var. attenuata Albert	Synonym		WCSP
Quercus comasaguana Trel.	Synonym		WCSP
Quercus comata Lavallée [Unplaced]	Unresolved		WCSP
Quercus comayaguana Trel.	Synonym		WCSP
Quercus commiserata Gand. [Invalid]	Synonym		WCSP
Quercus commutata Liebm.	Synonym		WCSP
Quercus companoana Vidal	Synonym		WCSP
Quercus compta Seemen	Synonym		WCSP
Quercus × comptoniae Sarg.	Accepted		WCSP
Quercus comptoniifolia K.Koch	Synonym		WCSP
Quercus concentrica Lour.	Accepted		WCSP
Quercus concentrica Blanco	Synonym		WCSP
Quercus concordia K.Koch	Synonym		WCSP
Quercus condensata Schur	Synonym		WCSP
Quercus conduplicans Chun	Accepted		WCSP
Quercus conferta Kit.	Synonym		WCSP
Quercus conferta (Kit.) Vuk.	Synonym		TRO
Quercus conferta var. racemosa Hausskn.	Synonym		WCSP
Quercus confertifolia Torr.	Synonym		WCSP
Quercus confertifolia Bonpl.	Synonym		WCSP
Quercus conformis Gand. [Invalid]	Synonym		WCSP
Quercus confragosa King ex Hook.f.	Synonym		WCSP
Quercus confusa Wooton & Standl.	Synonym		WCSP
Quercus congesta C.Presl	Accepted		WCSP
Quercus congesta var. microbalana Lojac.	Synonym		WCSP
Quercus congesta var. oblongifolia Lojac.	Synonym		WCSP
Quercus congesta var. obtusiloba Guss.	Synonym		WCSP
Quercus congetsa var. acutiloba Guss.	Synonym		WCSP
Quercus conglomerata Pers.	Synonym		WCSP
Quercus conglomerata Trel. [Illegitimate]	Synonym		WCSP
Quercus conjugens Trel.	Synonym		WCSP
Quercus conobalana Gand. [Invalid]	Synonym		WCSP
Quercus conocarpa Náves ex Fern.-Vill. [Illegitimate]	Synonym		WCSP
Quercus conocarpa Oudem.	Synonym		WCSP
Quercus consobrina Kotschy ex A.DC.	Synonym		WCSP
Quercus consociata Trel.	Synonym		WCSP
Quercus conspersa Benth.	Accepted		WCSP
Quercus conspersa f. caudata Trel.	Synonym		WCSP
Quercus conspersa f. ovatifolia Trel.	Synonym		WCSP
Quercus convallata Trel.	Accepted		WCSP
Quercus conzattii Trel.	Accepted		WCSP
Quercus cookii Loudon	Synonym		WCSP
Quercus cooperta Blanco	Synonym		WCSP
Quercus copelandii Elmer	Synonym		WCSP
Quercus copeyensis C.H.Mull.	Accepted		WCSP
Quercus × corcyrensis A.Camus	Unresolved		WCSP
Quercus cordata M.Martens & Galeotti	Synonym		WCSP
Quercus cordifolia Trel.	Synonym		WCSP
Quercus coreana Nakai	Synonym		WCSP
Quercus coriacea Bechst.	Synonym		WCSP
Quercus coriascens Gand. [Invalid]	Synonym		WCSP
Quercus coriifolia Vuk.	Synonym		WCSP
Quercus cornea Lour.	Synonym		WCSP
Quercus cornea var. konishii (Hayata) Hayata	Synonym		WCSP
Quercus cornelius-mulleri Nixon & K.P.Steele	Accepted		WCSP
Quercus coronensis Schur	Synonym		WCSP
Quercus correpta Trel.	Synonym		WCSP
Quercus corrugata Hook.	Synonym		WCSP
Quercus corrugata var. granulifera Trel.	Synonym		WCSP
Quercus corrugata var. ipalensis Trel.	Synonym		WCSP
Quercus corrugata var. microcarpa Wenz.	Synonym		WCSP
Quercus cortesii Liebm.	Accepted		WCSP
Quercus cortesii x benthamii	Unresolved		TRO
Quercus corticosa Raf.	Synonym		WCSP
Quercus corymbifolia Ehrenb. ex Boiss.	Synonym		WCSP
Quercus × coscojosuberiformis Baonza	Accepted		WCSP
Quercus × costae C.Vicioso	Synonym		WCSP
Quercus costaricensis Liebm.	Accepted		WCSP
Quercus costaricensis f. kuntzei Trel.	Synonym		WCSP
Quercus costata Blume	Synonym		WCSP
Quercus costata Náves ex Fern.-Vill.	Synonym		WCSP
Quercus costata var. convexa Blume	Synonym		WCSP
Quercus costata var. subrecurvata Blume	Synonym		WCSP
Quercus × coutinhoi Samp.	Accepted		WCSP
Quercus × coutinhoi f. duriensis Franco & Vasc.	Synonym		WCSP
Quercus crassifolia Bonpl.	Accepted		WCSP
Quercus crassifolia Benth.	Synonym		WCSP
Quercus crassifolia var. errans (Trel.) E.F.Warb.	Synonym		WCSP
Quercus crassilamellata (Gamble) A.Camus	Synonym		WCSP
Quercus crassinervia Blume	Synonym		WCSP
Quercus crassipes Bonpl.	Accepted		WCSP
Quercus crassipes var. angustifolia Bonpl.	Synonym		WCSP
Quercus crassipocula Torr.	Synonym		WCSP
Quercus crassiuscula Gand. [Invalid]	Synonym		WCSP
Quercus crassivenosa Trel.	Synonym		WCSP
Quercus × cravenensis Little	Accepted		WCSP
Quercus crenata Lam.	Accepted		WCSP
Quercus crenatifolia Trel.	Synonym		WCSP
Quercus crenifolia Gand. [Invalid]	Synonym		WCSP
Quercus cretensis Lam. ex Steud.	Synonym		WCSP
Quercus cretica Bald.	Synonym		WCSP
Quercus cretica Raulin ex A.DC. [Invalid]	Synonym		WCSP
Quercus crinita Lam.	Synonym		WCSP
Quercus crispa Vuk.	Synonym		WCSP
Quercus crispa K.Koch	Synonym		WCSP
Quercus crispa Steud.	Synonym		WCSP
Quercus crispata Steven	Synonym		WCSP
Quercus crispifolia Trel.	Accepted		WCSP
Quercus crispipilis Trel.	Accepted		WCSP
Quercus crispipilis var. pannosifolia (C.H.Mull.) C.H.Mull.	Synonym		WCSP
Quercus crispula Blume	Synonym		WCSP
Quercus crispula var. grosseserrata (Blume) Miq.	Synonym		WCSP
Quercus crispula var. horikawae H.Ohba	Synonym		WCSP
Quercus crispula var. manshurica Koidz.	Synonym		WCSP
Quercus crispula var. sachalinensis Koidz.	Synonym		WCSP
Quercus crispulimongolica Nakai [Illegitimate]	Synonym		WCSP
Quercus × crispuloides Uyeki	Synonym		WCSP
Quercus × crispuloserrata (Sugim.) M.Kikuchi	Synonym		WCSP
Quercus croatica Gand. [Invalid]	Synonym		WCSP
Quercus croatica Vuk.	Synonym		WCSP
Quercus cryptoneuron H.Lév.	Synonym		WCSP
Quercus × csatoi Borbás	Unresolved		WCSP
Quercus cuajimalpana Trel.	Synonym		WCSP
Quercus cualensis L.M.González	Accepted		WCSP
Quercus cubana A.Rich.	Accepted		WCSP
Quercus cuneata Roxb. ex Wall. [Invalid]	Synonym		WCSP
Quercus cuneata Wangenh.	Synonym		WCSP
Quercus cuneata Dippel [Illegitimate]	Synonym		WCSP
Quercus cuneata var. falcata (Michx.) Dippel	Synonym		WCSP
Quercus cuneifolia Liebm. [Illegitimate]	Synonym		WCSP
Quercus cuneifolia Raf.	Synonym		WCSP
Quercus cuneifolia DC.	Synonym		TRO
Quercus cunisecta Borbás	Synonym		WCSP
Quercus cupaniana Guss.	Synonym		WCSP
Quercus cuprea K.Koch	Synonym		WCSP
Quercus cupreata Trel. & C.H.Müll.	Synonym		WCSP
Quercus cupreata f. serrata Trel. & C.H.Müll.	Synonym		WCSP
Quercus cupressoides K.Koch	Synonym		WCSP
Quercus cupulatus Gilib. [Invalid]	Synonym		WCSP
Quercus curranii Merr.	Synonym		WCSP
Quercus curtisii King ex Hook.f.	Synonym		WCSP
Quercus cuspidata Thunb.	Synonym		WCSP
Quercus cuspidata Thunb. ex Murray	Synonym		TRO
Quercus cuspidata var. angustifolia G.Nicholson	Synonym		WCSP
Quercus cuspidata var. latifolia G.Nicholson	Synonym		WCSP
Quercus cuspidata var. pusilla Blume	Synonym		WCSP
Quercus cuspidata var. sinensis A. DC.	Synonym		TRO
Quercus cuspidata var. variegata G.Nicholson	Synonym		WCSP
Quercus cyclobalanoides Trel.	Synonym		WCSP
Quercus cyclophora Endl.	Synonym		WCSP
Quercus cyclophylla Welw. ex Nyman	Synonym		WCSP
Quercus cylindracea Guss. ex Parl.	Synonym		WCSP
Quercus cypri Kotschy ex A.DC.	Synonym		WCSP
Quercus cypria Jaub. & Spach	Synonym		WCSP
Quercus cyrtocarpa Drake	Synonym		WCSP
Quercus cyrtopoda Miq.	Synonym		WCSP
Quercus cyrtorhyncha Miq.	Synonym		WCSP
Quercus dacica Gand. [Invalid]	Synonym		WCSP
Quercus × dacica Borbás	Synonym		WCSP
Quercus daichangensis A.Camus [Spelling variant]	Synonym		WCSP
Quercus daimingshanensis (S.K.Lee) C.C.Huang	Accepted		WCSP
Quercus daimio K.Koch	Synonym		WCSP
Quercus dalbertisii F.Muell.	Synonym		WCSP
Quercus dalechampii Ten.	Accepted		WCSP
Quercus dalechampii var. angulata Lojac.	Synonym		WCSP
Quercus dalechampii f. apatini (Erdesi) Erdesi	Synonym		WCSP
Quercus dalechampii var. aurea (Wierzb. ex Rochel) Mátyás	Synonym		WCSP
Quercus dalechampii var. breviloba Lojac.	Synonym		WCSP
Quercus dalechampii var. cochleata Lojac.	Synonym		WCSP
Quercus dalechampii var. grandifolia Lojac.	Synonym		WCSP
Quercus dalechampii var. hungarica (Hubeny) Soó	Synonym		WCSP
Quercus dalechampii f. lancifolia Mátyás	Synonym		WCSP
Quercus dalechampii var. mecrobalana Lojac.	Synonym		WCSP
Quercus dalechampii var. pallida Lojac.	Synonym		WCSP
Quercus dalechampii var. parvifolia Lojac.	Synonym		WCSP
Quercus dalechampii f. piersii Mátyás	Synonym		WCSP
Quercus dalechampii var. pulchella Lojac.	Synonym		WCSP
Quercus dalechampii f. rubens Mátyás	Synonym		WCSP
Quercus dankiaensis A.Camus	Accepted		WCSP
Quercus danubialis Gand. [Invalid]	Synonym		WCSP
Quercus daphnoidea Blume	Synonym		WCSP
Quercus dasystachya Miq.	Synonym		WCSP
Quercus davidsoniae Standl.	Synonym		WCSP
Quercus dawsonii Trel.	Unresolved		WCSP
Quercus dealbata Hook.f. & Thomson ex Miq.	Synonym		WCSP
Quercus dealbata Wall. [Invalid]	Synonym		WCSP
Quercus dealbata Royle [Invalid]	Synonym		WCSP
Quercus dealbata var. mannii King	Synonym		WCSP
Quercus × deamii Trel.	Accepted		WCSP
Quercus debaryana Warb.	Synonym		WCSP
Quercus decipiens Behlen	Synonym		WCSP
Quercus decipiens M.Martens & Galeotti	Synonym		WCSP
Quercus × decora	Unresolved		TRO
Quercus delavayi Franch.	Accepted		WCSP
Quercus × deleiensis A.Camus	Accepted		WCSP
Quercus delicatula Chun & Tsiang	Accepted		WCSP
Quercus deliquescens C.H.Mull.	Accepted		WCSP
Quercus × demareei Ashe	Accepted		WCSP
Quercus densiflora Hook. & Arn.	Synonym		WCSP
Quercus densiflora var. echinoides (R.Br.) Sarg.	Synonym		WCSP
Quercus densiflora var. hartwegii A.DC.	Synonym		WCSP
Quercus densiflora var. montana Mayr	Synonym		WCSP
Quercus densifolia Gand. [Invalid]	Synonym		WCSP
Quercus densifolia Abel [Unplaced]	Unresolved		WCSP
Quercus dentata Bartram [Illegitimate]	Synonym		WCSP
Quercus dentata Thunb.	Accepted		WCSP
Quercus dentata S.Watson [Illegitimate]	Synonym		WCSP
Quercus dentata subsp. dentata	Accepted		WCSP
Quercus dentata var. fallax Nakai	Synonym		WCSP
Quercus dentata f. fallax (Nakai) W.Lee	Synonym		WCSP
Quercus dentata f. grandifolia (Koidz.) Kitag.	Synonym		WCSP
Quercus dentata var. grandifolia Koidz.	Synonym		WCSP
Quercus dentata subsp. koreana (Nakai) A.Camus	Synonym		WCSP
Quercus dentata var. laciniata Makino	Synonym		WCSP
Quercus dentata var. maccormickii (Carruth.) Skan	Synonym		WCSP
Quercus dentata var. oxyloba Franch.	Synonym		WCSP
Quercus dentata var. pinnatifida (Franch. & Sav.) Matsum.	Synonym		WCSP
Quercus dentata f. pinnatifida (Franch. & Sav.) Kitam. & T.Horik.	Synonym		WCSP
Quercus dentata var. pinnatiloba Makino	Synonym		WCSP
Quercus dentata var. skworzovii Kozlov	Synonym		WCSP
Quercus dentata subsp. stewardii (Rehder) A.Camus	Accepted		WCSP
Quercus dentata var. wrightii A.DC.	Synonym		WCSP
Quercus dentata subsp. yunnanensis (Franch.) Menitsky	Accepted		WCSP
Quercus dentata var. yunnanensis (Franch.) A.Camus	Synonym		WCSP
Quercus dentatoides Liou	Synonym		WCSP
Quercus × dentatomongolica Nakai	Synonym		WCSP
Quercus × dentatoserratoides T.B.Lee	Synonym		WCSP
Quercus dentosa Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus × denudata Albert	Synonym		WCSP
Quercus depressa Blume	Synonym		WCSP
Quercus depressa Bonpl.	Accepted		WCSP
Quercus depressa Roxb. [Illegitimate]	Synonym		WCSP
Quercus depressipes Trel.	Accepted		WCSP
Quercus derelicta Gand. [Invalid]	Synonym		WCSP
Quercus derrumbaderoensis C.H.Mull.	Synonym		WCSP
Quercus deserticola Trel.	Accepted		WCSP
Quercus deserticola var. incisa Trel.	Synonym		WCSP
Quercus desiderabillis Gand. [Invalid]	Synonym		WCSP
Quercus × desmotricha O.Schwarz	Synonym		WCSP
Quercus × desmotricha var. sennenii (A.Camus) C.Vicioso	Synonym		WCSP
Quercus × devensis Simonk.	Unresolved		WCSP
Quercus devia Goldman	Accepted		WCSP
Quercus dielsiana Seemen ex Diels	Synonym		WCSP
Quercus diepenhorstii Miq.	Synonym		WCSP
Quercus × digenea Borbás [Unplaced]	Unresolved		WCSP
Quercus digitata Sudw.	Synonym		WCSP
Quercus dilacerata Hickel & A.Camus	Synonym		WCSP
Quercus dilacerata Lavallée [Unplaced]	Unresolved		WCSP
Quercus dilatata A.Kern.	Synonym		WCSP
Quercus dilatata Raf.	Synonym		WCSP
Quercus dilatata Lindl. ex A.DC. [Illegitimate]	Synonym		WCSP
Quercus dilatata Royle [Invalid]	Synonym		WCSP
Quercus dilatata var. yunnanensis Schottky	Synonym		WCSP
Quercus dimidiens Gand. [Invalid]	Synonym		WCSP
Quercus dinghuensis C.C.Huang	Accepted		WCSP
Quercus × diosdadoi F.M.Vázquez & al.	Accepted		WCSP
Quercus dipsacina Kotschy ex A.DC.	Synonym		WCSP
Quercus disciformis Chun & Tsiang	Accepted		WCSP
Quercus discocarpa Hance	Synonym		WCSP
Quercus discolor Aiton	Synonym		WCSP
Quercus discolor var. banisteri (Michx.) Spach	Synonym		WCSP
Quercus discolor var. bicolor (Willd.) Hampton	Synonym		WCSP
Quercus discredens Gand. [Invalid]	Synonym		WCSP
Quercus × discreta Laughlin	Accepted		WCSP
Quercus dispar Chun & Tsiang [Illegitimate]	Synonym		WCSP
Quercus dispar Kotschy ex A.DC.	Synonym		WCSP
Quercus dispar Raf.	Synonym		WCSP
Quercus dissecta K.Koch	Synonym		WCSP
Quercus divaricata Lindl. ex Wall. [Unplaced]	Unresolved		WCSP
Quercus diversicolor Trel.	Synonym		WCSP
Quercus diversicolor var. mearnsii Trel.	Synonym		WCSP
Quercus diversicolor var. socorronis Trel.	Synonym		WCSP
Quercus diversifolia Née	Accepted		WCSP
Quercus diversifrons Borbás	Synonym		WCSP
Quercus × diversiloba Tharp ex A.Camus	Accepted		WCSP
Quercus djiringensis A.Camus [Unplaced]	Unresolved		WCSP
Quercus dodonaeifolia Hayata	Synonym		WCSP
Quercus doichangensis A.Camus	Synonym		WCSP
Quercus dolichocarpa Seemen	Synonym		WCSP
Quercus dolicholepis A.Camus	Accepted		WCSP
Quercus dolicholepis var. elliptica (Y.C.Hsu & H.Wei Jen) Y.C.Hsu & H.Wei Jen	Synonym		WCSP
Quercus dolichopus E.F.Warb.	Synonym		WCSP
Quercus dolichostyla A.Camus	Synonym		WCSP
Quercus donarium Nakai	Synonym		WCSP
Quercus dongfangensis C.C.Huang, F.W.Xing & Ze X.Li	Accepted		WCSP
Quercus donnaiensis A.Camus	Synonym		WCSP
Quercus donnell-smithii Trel.	Synonym		WCSP
Quercus douglasii Hook. & Arn.	Accepted		WCSP
Quercus douglasii var. gambelii (Nutt.) A.DC.	Synonym		WCSP
Quercus douglasii var. neaie (Liebm.) A.DC.	Synonym		WCSP
Quercus douglasii var. novomexicana A.DC.	Synonym		WCSP
Quercus douglasii var. ransomii (Kellogg) Beissn.	Synonym		TRO
Quercus druidica Gand. [Invalid]	Synonym		WCSP
Quercus drumensis Gand. [Invalid]	Synonym		WCSP
Quercus × drummondii Liebm.	Accepted		WCSP
Quercus dshorochensis K.Koch	Synonym		WCSP
Quercus dshorochensis var. liwanensis K.Koch	Synonym		WCSP
Quercus dubia L. [Unplaced]	Unresolved		WCSP
Quercus × dubia Trel. [Illegitimate]	Synonym		WCSP
Quercus dubia Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus dugesii (Trel.) A.Nelson	Synonym		WCSP
Quercus dumetorum Gand. [Invalid]	Synonym		WCSP
Quercus dumosa Nutt.	Accepted		WCSP
Quercus dumosa var. acutidens (Torr.) Wenz.	Synonym		WCSP
Quercus dumosa var. alvordiana (Eastw.) Jeps.	Synonym		WCSP
Quercus dumosa f. berberidifolia (Liebm.) Trel.	Synonym		WCSP
Quercus dumosa var. bullata Engelm.	Synonym		WCSP
Quercus dumosa f. crispata Trel.	Synonym		WCSP
Quercus dumosa f. diversifolia Trel.	Synonym		WCSP
Quercus dumosa subsp. durata (Jeps.) A.Camus	Synonym		WCSP
Quercus dumosa var. elegantula (Greene) Jeps.	Synonym		WCSP
Quercus dumosa f. insularis Trel.	Synonym		WCSP
Quercus dumosa var. kinseliae C.H.Mull.	Synonym		WCSP
Quercus dumosa f. linearis Trel.	Synonym		WCSP
Quercus dumosa var. linearis (Trel.) A.Camus	Synonym		WCSP
Quercus dumosa f. longigemma Trel.	Synonym		WCSP
Quercus dumosa subsp. macdonaldii (Greene & Kellogg) A.Camus	Synonym		WCSP
Quercus dumosa var. macdonaldii (Greene & Kellogg) Jeps.	Synonym		WCSP
Quercus dumosa var. macdonaldii (Greene & Kellogg) Trel.	Synonym		TRO
Quercus dumosa f. microcarpa Trel.	Synonym		WCSP
Quercus dumosa var. munita Greene	Synonym		WCSP
Quercus dumosa f. myrtifolia Trel.	Synonym		WCSP
Quercus dumosa var. polycarpa Greene	Synonym		WCSP
Quercus dumosa f. populifolia Trel.	Synonym		WCSP
Quercus dumosa var. populifolia (Trel.) A.Camus	Synonym		WCSP
Quercus dumosa var. revoluta Sarg.	Synonym		WCSP
Quercus dumosa subsp. turbinella (Greene) A.E.Murray	Synonym		WCSP
Quercus dumosa var. turbinella (Greene) Jeps.	Synonym		WCSP
Quercus dunniana H.Lév.	Unresolved		WCSP
Quercus dunnii Kellogg ex Curran	Synonym		WCSP
Quercus durandii Buckley	Synonym		WCSP
Quercus durandii var. austrina (Small) E.J.Palmer	Synonym		WCSP
Quercus durandii var. breviloba (Torr.) E.J.Palmer	Synonym		WCSP
Quercus durandii var. san-sabeana (Buckley) Buckley	Synonym		WCSP
Quercus durangensis Trel.	Synonym		WCSP
Quercus durata Jeps.	Accepted		WCSP
Quercus durata var. durata	Accepted		WCSP
Quercus duratifolia C.H.Mull.	Synonym		WCSP
Quercus duraznillo Trel.	Synonym		WCSP
Quercus duraznillo f. bullata Trel.	Synonym		WCSP
Quercus duraznillo f. cochutensis Trel.	Synonym		WCSP
Quercus duraznillo f. pinetorum Trel.	Synonym		WCSP
Quercus durifolia Seemen ex Loes.	Accepted		WCSP
Quercus durinus Raf.	Synonym		WCSP
Quercus dussaudii Hickel & A.Camus	Synonym		WCSP
Quercus × dysophylla Benth.	Accepted		WCSP
Quercus eastwoodiae Rydb.	Synonym		WCSP
Quercus eboracensis Gand. [Invalid]	Synonym		WCSP
Quercus echinacea Torr.	Synonym		WCSP
Quercus echinata Lam.	Synonym		WCSP
Quercus echinata A.DC.	Synonym		WCSP
Quercus echinata Salisb. [Illegitimate]	Synonym		WCSP
Quercus echinifera Merr.	Synonym		WCSP
Quercus echinoides R.Br.	Synonym		WCSP
Quercus edithiae Skan	Accepted		WCSP
Quercus eduardii Trel.	Accepted		WCSP
Quercus eduardii f. cespitifera Trel.	Synonym		WCSP
Quercus edulis Makino	Synonym		WCSP
Quercus edwardsiae C.H.Mull.	Accepted		WCSP
Quercus × egglestonii Trel.	Accepted		WCSP
Quercus ehrenbergii Kotschy	Synonym		WCSP
Quercus eichleri Wenz.	Synonym		WCSP
Quercus elaeagnifolia Seemen	Synonym		WCSP
Quercus elegans Lojac. [Unplaced]	Unresolved		WCSP
Quercus elegans Blume	Synonym		WCSP
Quercus elegantula Gand. [Invalid]	Synonym		WCSP
Quercus elephantum Hance	Synonym		WCSP
Quercus elevaticostata (Q.F.Zheng) C.C.Huang	Accepted		WCSP
Quercus elizabethiae Tutcher	Synonym		WCSP
Quercus elliottii Wilbur	Synonym		WCSP
Quercus ellipsoidalis E.J.Hill	Accepted		WCSP
Quercus ellipsoidalis var. coccinioides Farw.	Synonym		WCSP
Quercus ellipsoidalis f. heterophylla Trel.	Synonym		WCSP
Quercus ellipsoidalis f. incurva Trel.	Synonym		WCSP
Quercus ellipsoidalis var. kaposianensis J.W.Moore	Synonym		WCSP
Quercus ellipsoidea Jord. [Unplaced]	Unresolved		WCSP
Quercus elliptica Née	Accepted		WCSP
Quercus elliptica Liebm. ex A.DC. [Invalid]	Synonym		WCSP
Quercus elliptica var. microcarpa A.DC.	Synonym		WCSP
Quercus elmeri Merr.	Accepted		WCSP
Quercus elongata Muhl.	Synonym		WCSP
Quercus emarginulata Gand. [Invalid]	Synonym		WCSP
Quercus eminens Gand. [Invalid]	Synonym		WCSP
Quercus emoryi Porter & Coult. [Illegitimate]	Synonym		WCSP
Quercus emoryi Torr.	Accepted		WCSP
Quercus encleisocarpa Korth.	Synonym		WCSP
Quercus encleisocarpa var. aperta H.W.Kung ex Hook.f.	Synonym		WCSP
Quercus encleisocarpa var. divergens A.DC.	Synonym		WCSP
Quercus endemica C.H.Mull.	Synonym		WCSP
Quercus endlichiana Trel.	Synonym		WCSP
Quercus endlichiana f. minor C.H.Mull.	Synonym		WCSP
Quercus endlichiana f. serrata C.H.Mull.	Synonym		WCSP
Quercus endresii Trel.	Synonym		WCSP
Quercus engelmannii Greene	Accepted		WCSP
Quercus engleriana Seemen	Accepted		WCSP
Quercus epileuca Trel.	Synonym		WCSP
Quercus × eplingii C.H.Mull.	Accepted		WCSP
Quercus erioclada A.Camus	Synonym		WCSP
Quercus × erioneura Borbás	Synonym		WCSP
Quercus × ermolenkoi Badalov [Unplaced]	Unresolved		WCSP
Quercus errans Trel.	Synonym		WCSP
Quercus errans f. graciliramis C.H.Mull.	Synonym		WCSP
Quercus erubescens Trel.	Synonym		WCSP
Quercus erucifolia Steven	Synonym		WCSP
Quercus erucifolia var. imeretina (Steven ex Woronow) O.Schwarz	Synonym		WCSP
Quercus erucifolia subsp. longipes (Steven) O.Schwarz	Synonym		WCSP
Quercus erucifolia subsp. pinnatipartita (Boiss.) O.Schwarz	Synonym		WCSP
Quercus erythrochlamys Gand. [Invalid]	Synonym		WCSP
Quercus erythrolepis (Vuk.) Vuk.	Synonym		WCSP
Quercus erythroneura Vuk.	Synonym		WCSP
Quercus esculenta K.Koch	Synonym		WCSP
Quercus esculiformis O.Schwarz	Synonym		WCSP
Quercus esculus Pollini [Illegitimate]	Synonym		WCSP
Quercus esculus L.	Synonym		WCSP
Quercus esculus var. velutina Griseb.	Synonym		WCSP
Quercus esesmilensis Tucker & C.H.Müll.	Synonym		WCSP
Quercus × esperanzae Trel.	Synonym		WCSP
Quercus esthonica Gand. [Invalid]	Synonym		WCSP
Quercus estremadurensis O.Schwarz	Synonym		WCSP
Quercus ettingeri Vuk.	Synonym		WCSP
Quercus euboica Papaioann.	Synonym		WCSP
Quercus eugeniifolia Liebm.	Accepted		WCSP
Quercus eugeniifolia f. petiolata Trel.	Synonym		WCSP
Quercus eumorpha Kurz	Accepted		WCSP
Quercus eumorpha subsp. yaiensis Menitsky	Synonym		WCSP
Quercus ewyckii Korth.	Synonym		WCSP
Quercus ewyckii var. latifolia King ex Hook.f.	Synonym		WCSP
Quercus × exacta Trel.	Accepted		WCSP
Quercus exaristata Trel.	Synonym		WCSP
Quercus excelsa Liebm.	Synonym		WCSP
Quercus × exoniensis Lodd. ex Sweet	Synonym		WCSP
Quercus expansa Poir.	Synonym		WCSP
Quercus extensa (Schur) Schur	Synonym		WCSP
Quercus eyrei Champ. ex Benth.	Synonym		WCSP
Quercus fabrei Hance	Accepted		WCSP
Quercus fagifolia K.Koch	Synonym		WCSP
Quercus fagiformis Jungh.	Synonym		WCSP
Quercus faginea Ten. [Illegitimate]	Synonym		WCSP
Quercus faginea Lam.	Accepted		WCSP
Quercus faginea subsp. alpestris (Boiss.) Maire	Synonym		WCSP
Quercus faginea var. baetica (Webb) Samp.	Synonym		WCSP
Quercus faginea subsp. baetica (Webb) Maire	Synonym		WCSP
Quercus faginea f. brevicupulata (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus faginea var. brevicupulata (Cout.) A.Camus	Synonym		WCSP
Quercus faginea var. broteroi (Cout.) A.Camus	Synonym		WCSP
Quercus faginea subsp. broteroi (Cout.) A.Camus	Accepted		WCSP
Quercus faginea var. bullata (Cout.) A.Camus	Synonym		WCSP
Quercus faginea subsp. faginea	Accepted		WCSP
Quercus faginea subsp. lusitanica (Lam.) Maire	Synonym		WCSP
Quercus faginea f. macrobalanus (Sennen ex A.Camus) F.M.Vázquez	Synonym		WCSP
Quercus faginea var. macrobalanus Sennen ex A.Camus	Synonym		WCSP
Quercus faginea var. maroccana (Braun-Blanq. & Maire) Jahand. & Maire	Synonym		WCSP
Quercus faginea var. maroccana (Braun-Blanq. & Maire) A.Camus	Synonym		WCSP
Quercus faginea var. microphylla Trab.	Synonym		WCSP
Quercus faginea var. oscensis P.Monts.	Synonym		WCSP
Quercus faginea var. pedunculata (Cout.) A.Camus	Synonym		WCSP
Quercus faginea var. salzmannaniana (Webb) Samp.	Synonym		TRO
Quercus faginea var. salzmanniana (Webb) Samp.	Synonym		WCSP
Quercus faginea var. spinifolius Sennen ex A.Camus	Synonym		WCSP
Quercus faginea var. spinosa Maire & Trab.	Synonym		WCSP
Quercus faginea var. submembranacea (Cout.) A.Camus	Synonym		WCSP
Quercus faginea var. subocculata (Cout.) A.Camus	Synonym		WCSP
Quercus faginea f. suboccultata (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus faginea var. subpinnatifida (Cout.) A.Camus	Synonym		WCSP
Quercus faginea var. tlemcenensis (A.DC.) Jahand. & Maire	Synonym		WCSP
Quercus faginea subsp. tlemcenensis (A.DC.) Maire & Weiller ex Greuter & Burdet	Synonym		WCSP
Quercus × fagineomirbeckii Villar	Accepted		WCSP
Quercus fagx fagineomirbeckii Villar	Unresolved		TRO
Quercus falcata Michx.	Accepted		WCSP
Quercus falcata f. angustior E.J.Palmer & Steyerm.	Synonym		WCSP
Quercus falcata f. cuneata Trel.	Synonym		WCSP
Quercus falcata f. houbae Trel.	Synonym		WCSP
Quercus falcata var. leucophylla (Ashe) E.J.Palmer & Steyerm.	Synonym		WCSP
Quercus falcata var. ludoviciana A.DC.	Synonym		WCSP
Quercus falcata f. obovata Trel.	Synonym		WCSP
Quercus falcata var. pagodifolia Elliott	Synonym		WCSP
Quercus falcata subsp. pagodifolia (Elliott) A.E.Murray	Synonym		WCSP
Quercus falcata var. subintegra Engelm.	Synonym		WCSP
Quercus falcata var. triloba (Michx.) Nutt.	Synonym		WCSP
Quercus falcata f. triloba (Michx.) E.J.Palmer & Steyerm.	Synonym		WCSP
Quercus falconeri Kurz	Synonym		WCSP
Quercus falkenbergensis Booth ex Loudon	Synonym		WCSP
Quercus fallax Gand. [Invalid]	Synonym		WCSP
Quercus × fallax E.J.Palmer	Synonym		WCSP
Quercus × fangshanensis Liou	Accepted		WCSP
Quercus fapannsii Lavallée [Unplaced]	Unresolved		WCSP
Quercus fargesii Franch.	Synonym		WCSP
Quercus farinosa Vuk.	Synonym		WCSP
Quercus farinulenta Hance	Synonym		WCSP
Quercus farnetto Ten.	Synonym		WCSP
Quercus farnetto subsp. conferta (Kit.) Nyman	Synonym		WCSP
Quercus fastigiata Lam.	Synonym		WCSP
Quercus × faxonii Trel.	Accepted		WCSP
Quercus × feketei Simonk.	Synonym		WCSP
Quercus felipensis Trel.	Synonym		WCSP
Quercus femina Mill.	Synonym		WCSP
Quercus fenchengensis H.Wei Jen & L.M. Wang	Accepted		TRO
Quercus × fendleri Liebm.	Synonym		WCSP
Quercus fenestrata Roxb.	Synonym		WCSP
Quercus fenestrata var. acuminata (Roxb.) Wenz.	Synonym		WCSP
Quercus fenestrata var. dealbata (Hook.f. & Thomson ex Miq.) Wenz.	Synonym		WCSP
Quercus fennessii A.DC.	Synonym		WCSP
Quercus fenzeliana (A.Camus) Merr.	Synonym		WCSP
Quercus fenzlii Kotschy	Synonym		WCSP
Quercus × fernaldii Trel.	Accepted		WCSP
Quercus fernandezii Vidal	Synonym		WCSP
Quercus × fernowii Trel.	Accepted		WCSP
Quercus ferox Roxb.	Synonym		WCSP
Quercus × ferreirae A.Camus	Synonym		WCSP
Quercus ferruginea F.Michx.	Synonym		WCSP
Quercus × filialis Little	Accepted		WCSP
Quercus filicifolia A.DC.	Synonym		WCSP
Quercus filiformis Muhl. ex A.DC. [Invalid]	Synonym		WCSP
Quercus filiformis C.H.Mull.	Synonym		WCSP
Quercus filiformis Muhl.	Accepted		TRO
Quercus filipendula Schloss. & Vuk.	Synonym		WCSP
Quercus fimbriata Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus × firmurensis Hy	Accepted		WCSP
Quercus fissa Champ. ex Benth.	Synonym		WCSP
Quercus flagellifera Trel.	Synonym		WCSP
Quercus flammula W. Bartram	Unresolved		TRO
Quercus flava Née ex Spreng.	Synonym		WCSP
Quercus flavescens Hickel & A.Camus	Synonym		WCSP
Quercus flavida Liebm.	Synonym		WCSP
Quercus fleuryi Hickel & A.Camus	Synonym		WCSP
Quercus floccosa Liebm.	Accepted		WCSP
Quercus flocculenta C.H.Mull.	Accepted		WCSP
Quercus flocculenta f. incisa C.H.Mull.	Synonym		WCSP
Quercus flocculenta f. oblongifolia C.H.Mull.	Synonym		WCSP
Quercus floribunda Lindl. ex A.Camus	Accepted		WCSP
Quercus floridana Shuttlew. ex A.DC.	Synonym		WCSP
Quercus foemida Mill.	Synonym		WCSP
Quercus fokienensis Nakai	Synonym		WCSP
Quercus × fontana Laughlin	Accepted		WCSP
Quercus × fontanesii Guss.	Accepted		WCSP
Quercus × fontqueri O.Schwarz	Accepted		WCSP
Quercus × fontqueri var. aspleniifolia C.Vicioso	Synonym		WCSP
Quercus fooningensis Hu & W.C.Cheng	Synonym		WCSP
Quercus fordiana Hemsl.	Synonym		WCSP
Quercus fordii (Loudon) Carr	Synonym		WCSP
Quercus formosana Skan	Synonym		WCSP
Quercus × fournieri Trel.	Synonym		WCSP
Quercus fragifera Franch.	Synonym		WCSP
Quercus fragnus A.Longo	Synonym		WCSP
Quercus frainetto Ten.	Accepted		WCSP
Quercus frainetto var. conferta (Kit.) A.DC.	Synonym		WCSP
Quercus frainetto f. hubenyana Mátyás	Synonym		WCSP
Quercus frainetto var. hungarica (Hubeny) Borbás	Synonym		WCSP
Quercus frainetto var. insularis Borzí	Synonym		WCSP
Quercus frainetto var. racemosa Asch. & Graebn.	Synonym		WCSP
Quercus frainetto var. spectabilis (Kit. ex Simonk.) Kit.	Synonym		WCSP
Quercus franchetiana H. Lév.	Synonym		TRO
Quercus franchetii Skan	Accepted		WCSP
Quercus frondosa Mill.	Synonym		WCSP
Quercus frondosa Steud.	Synonym		WCSP
Quercus fructipendula Schrank	Synonym		WCSP
Quercus fructiseptata A.Camus	Synonym		WCSP
Quercus frutetorum Gand. [Invalid]	Synonym		WCSP
Quercus frutex Trel.	Accepted		WCSP
Quercus frutex var. uhdeana Trel.	Synonym		WCSP
Quercus fruticosa Brot.	Synonym		WCSP
Quercus fruticosa var. pedunculata (Cout.) A.Camus	Synonym		WCSP
Quercus fruticosa var. prasina Bosc	Synonym		WCSP
Quercus fruticosa var. subinclusa (Cout.) A.Camus	Synonym		WCSP
Quercus fuhsingensis Y.T.Chang	Synonym		WCSP
Quercus × fulhamensis Steud.	Synonym		WCSP
Quercus fuliginosa Chun & W.C.Ko	Accepted		WCSP
Quercus fulva Liebm.	Accepted		WCSP
Quercus fulvescens Kellogg	Synonym		WCSP
Quercus fulviseriacus (Y.C.Hsu & D.M.Wang) Govaerts	Accepted		WCSP
Quercus fulvisericeous (Y.C. Hsu & D.M. Wang) Z.K. Zhou	Accepted		TRO
Quercus funebris H.Lév. ex Nakai	Synonym		WCSP
Quercus furfuracea Liebm.	Accepted		WCSP
Quercus fusca Raf.	Synonym		WCSP
Quercus × fuscata Lojac. [Unplaced]	Unresolved		WCSP
Quercus fusiformis Small	Accepted		WCSP
Quercus gaharuensis Soepadmo	Accepted		WCSP
Quercus galeanensis C.H.Mull.	Accepted		WCSP
Quercus galeottii M.Martens & Galeotti	Synonym		WCSP
Quercus × gallaecica Llamas, Lence & Acedo	Accepted		WCSP
Quercus gallica Gand. [Invalid]	Synonym		WCSP
Quercus gambelii Liebm.	Synonym		WCSP
Quercus gambelii Nutt.	Accepted		WCSP
Quercus gambelii var. bonina S.L.Welsh	Synonym		WCSP
Quercus gambelii var. gunnisonii (Torr. & A.Gray) Wenz.	Synonym		WCSP
Quercus gambelii var. novomexicana (A.DC.) Garrett	Synonym		WCSP
Quercus gambelii var. utahensis (A.DC.) Garrett	Synonym		WCSP
Quercus gambelii subsp. vreelandii (Rydb.) A.Camus	Synonym		WCSP
Quercus gambelii var. vreelandii (Rydb.) A.Camus	Synonym		WCSP
Quercus gambleana A.Camus	Accepted		WCSP
Quercus × ganderi C.B.Wolf	Accepted		WCSP
Quercus × garlandensis E.J.Palmer	Accepted		WCSP
Quercus garrettiana Craib	Synonym		WCSP
Quercus garryana Douglas ex Hook.	Accepted		WCSP
Quercus garryana var. breweri (Engelm.) Jeps.	Synonym		WCSP
Quercus garryana subsp. breweri (Engelm.) A.E.Murray	Synonym		WCSP
Quercus garryana var. fruticosa (Engelm.) Govaerts	Accepted		WCSP
Quercus garryana var. garryana	Accepted		WCSP
Quercus garryana var. jacobi (R.Br.ter) Zabel	Synonym		WCSP
Quercus garryana var. semota Jeps.	Accepted		WCSP
Quercus garryana subsp. semota (Jeps.) A.E.Murray	Synonym		WCSP
Quercus geltowiensis K.Koch	Synonym		WCSP
Quercus gemelliflora Blume	Accepted		WCSP
Quercus geminata Hickel & A.Camus [Illegitimate]	Synonym		WCSP
Quercus geminata Small	Accepted		WCSP
Quercus geminata var. grandifolia (Sarg.) Trel.	Synonym		WCSP
Quercus geminata f. maritima (Michx.) Trel.	Synonym		WCSP
Quercus geminata var. reasoneri A.Camus	Synonym		WCSP
Quercus geminata f. rolfsii (Small) Trel.	Synonym		WCSP
Quercus geminata var. succulenta (Small) Trel.	Synonym		WCSP
Quercus gemmata Trel.	Synonym		WCSP
Quercus genabii K.Koch	Synonym		WCSP
Quercus gentryi C.H.Mull.	Accepted		WCSP
Quercus georgiana M.A.Curtis	Accepted		WCSP
Quercus germana Schltdl. & Cham.	Accepted		WCSP
Quercus germana var. echinata Trel.	Synonym		WCSP
Quercus germana var. lemmonii Trel.	Synonym		WCSP
Quercus germana subsp. subsquarrosa A.Camus	Synonym		WCSP
Quercus germanica Lasch	Synonym		WCSP
Quercus germanica var. longipedunculata Lasch	Synonym		WCSP
Quercus germanica var. macrobalana Lasch	Synonym		WCSP
Quercus germanica var. pinnatifida Lasch	Synonym		WCSP
Quercus germanica f. puberula Lasch	Synonym		WCSP
Quercus × getica Morariu [Unplaced]	Unresolved		WCSP
Quercus ghiesbreghtii M.Martens & Galeotti	Accepted		WCSP
Quercus gibraltarica K.Koch	Synonym		WCSP
Quercus × giffordii Trel.	Accepted		WCSP
Quercus gilliana Rehder & E.H.Wilson	Accepted		WCSP
Quercus gilva Blume	Accepted		WCSP
Quercus glaberrima Blume	Synonym		WCSP
Quercus glabra F.Buerger ex Blume [Illegitimate]	Synonym		WCSP
Quercus glabra Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP
Quercus glabra Blanco [Illegitimate]	Synonym		WCSP
Quercus glabra Siebold & Zucc. [Illegitimate]	Synonym		WCSP
Quercus glabra Thunb.	Synonym		WCSP
Quercus glabra var. micrococca Blume	Synonym		WCSP
Quercus glabra var. sublepidota Blume	Synonym		WCSP
Quercus × glabrata Borbás [Illegitimate]	Synonym		WCSP
Quercus × glabrescens A.Kern. [Illegitimate]	Synonym		WCSP
Quercus glabrescens Benth.	Accepted		WCSP
Quercus glabrescens Seemen [Illegitimate]	Synonym		WCSP
Quercus glabrescens var. integrifolia Liebm. ex A.DC.	Synonym		WCSP
Quercus glabrescens var. radlkoferiana (Trel.) A.Camus	Synonym		WCSP
Quercus glabricupula Barnett	Synonym		WCSP
Quercus glandulifera Blume	Synonym		WCSP
Quercus glandulifera var. brevipetiolata (A.DC.) Nakai	Synonym		WCSP
Quercus glandulifera var. donarium (Nakai) A.Camus	Synonym		WCSP
Quercus glandulifera var. glanduligera (Franch.) Nakai	Synonym		WCSP
Quercus glandulifera var. inaequaliserrata Blume	Synonym		WCSP
Quercus glandulifera var. major Seem. ex Nakai	Synonym		WCSP
Quercus glandulifera var. polymorpha Blume	Synonym		WCSP
Quercus glandulifera var. stellatopilosa W.H.Zhang	Synonym		WCSP
Quercus glandulifera var. subattenuata Blume	Synonym		WCSP
Quercus glandulifera var. subcrenata Blume	Synonym		WCSP
Quercus glandulifera var. tomentosa B.C.Ding & T.B.Chao	Synonym		WCSP
Quercus glareosa Gand. [Invalid]	Synonym		WCSP
Quercus glauca Martrin-Donos & Timb.-Lagr. [Illegitimate]	Synonym		WCSP
Quercus glauca F.Buerger ex Blume [Illegitimate]	Synonym		WCSP
Quercus glauca Thunb.	Accepted		WCSP
Quercus glauca Bosc ex Loisel.	Synonym		WCSP
Quercus glauca var. amamiana (Hatus.) Hatus. ex H.Ohba	Synonym		WCSP
Quercus glauca var. amamiana (Hatus.) Hatus.	Synonym		TRO
Quercus glauca subsp. annulata (Sm.) A.Camus	Synonym		WCSP
Quercus glauca var. caesia Blume	Synonym		WCSP
Quercus glauca var. elongata Honda	Synonym		WCSP
Quercus glauca subsp. euglauca A. Camus	Synonym		TRO
Quercus glauca var. gracilis (Rehder & E.H.Wilson) A.Camus	Synonym		WCSP
Quercus glauca f. gracilis Rehder & E.H.Wilson	Synonym		WCSP
Quercus glauca var. hypargyrea Seemen ex Diels	Synonym		WCSP
Quercus glauca var. kuyuensis J.C.Liao	Synonym		WCSP
Quercus glauca f. lacera (Blume) Kitam.	Synonym		WCSP
Quercus glauca var. lacera (Blume) Matsum.	Synonym		WCSP
Quercus glauca var. linearifolia Koidz.	Synonym		WCSP
Quercus glauca var. lineata Franch.	Synonym		WCSP
Quercus glauca var. longinux (Hayata) Menitsky	Synonym		WCSP
Quercus glauca subsp. longinux (Hayata) Menitsky	Synonym		WCSP
Quercus glauca var. micrococca Maxim. ex Franch. & Sav.	Synonym		WCSP
Quercus glauca var. nakaoi Kitam. & T.Horik.	Synonym		WCSP
Quercus glauca var. podocupula C.F.Shen	Synonym		WCSP
Quercus glauca var. salicina (Blume) Menitsky	Synonym		WCSP
Quercus glauca subsp. schottkyana (Rehder & E.H.Wilson) Menitsky	Synonym		WCSP
Quercus glauca var. stenophylla Blume	Synonym		WCSP
Quercus glauca var. stricta Makino	Synonym		WCSP
Quercus glauca f. subintegrifolia Ling	Synonym		TRO
Quercus glauca var. villosa Skan	Synonym		TRO
Quercus glaucescens Bonpl.	Accepted		WCSP
Quercus glaucina Gand. [Invalid]	Synonym		WCSP
Quercus glaucoides M.Martens & Galeotti	Accepted		WCSP
Quercus glaucoides (Schottky) Koidz.	Synonym		TRO
Quercus glaucophylla Seemen ex Loes.	Synonym		WCSP
Quercus glaucophylla f. lobata C.H.Mull.	Synonym		WCSP
Quercus glaucophylla f. longifolia C.H.Mull.	Synonym		WCSP
Quercus glaucophylla f. macropetiolata C.H.Mull.	Synonym		WCSP
Quercus glaucophylla var. subrotundifolia C.H.Mull.	Synonym		WCSP
Quercus glaucophylla f. tlacolulana Trel.	Synonym		WCSP
Quercus globosa (T.P.Lin & T.S.Liu) J.C.Liao	Synonym		WCSP
Quercus globularis Djav.-Khoie	Synonym		WCSP
Quercus glomerata Roxb. [Unplaced]	Unresolved		WCSP
Quercus glomerata Wall. [Invalid]	Synonym		WCSP
Quercus glutinosa Blume	Synonym		WCSP
Quercus goedelii Balansa & Kotschy ex A.DC.	Synonym		WCSP
Quercus gomeziana A.Camus	Accepted		WCSP
Quercus gonoloba Raf.	Synonym		WCSP
Quercus gothica Gand. [Invalid]	Synonym		WCSP
Quercus gracilenta Chun	Accepted		WCSP
Quercus graciliformis C.H.Mull.	Synonym		WCSP
Quercus graciliformis var. parvilobata C.H.Mull.	Synonym		WCSP
Quercus graciliformis f. parvilobata (C.H.Mull.) C.H.Mull.	Synonym		WCSP
Quercus gracilior C.H.Mull.	Accepted		WCSP
Quercus gracilipes Miq.	Synonym		WCSP
Quercus graciliramis C.H.Mull.	Synonym		WCSP
Quercus gracilis Korth.	Synonym		WCSP
Quercus gracilis (Rehder & E.H.Wilson) Wuzhi [Illegitimate]	Synonym		WCSP
Quercus gracilis Lange [Illegitimate]	Synonym		WCSP
Quercus graeca Kotschy	Synonym		WCSP
Quercus grahamii Benth.	Synonym		WCSP
Quercus grahamii f. brevipes Trel.	Synonym		WCSP
Quercus grahamii var. coyulana Trel.	Synonym		WCSP
Quercus grahamii var. nelsonii Trel.	Synonym		WCSP
Quercus gramuntia L.	Synonym		WCSP
Quercus × grandidentata Ewan	Accepted		WCSP
Quercus grandifolia D.Don	Synonym		WCSP
Quercus grandifrons King ex Hook.f.	Synonym		WCSP
Quercus grandis Liebm.	Synonym		WCSP
Quercus grandis Gand. [Invalid]	Synonym		WCSP
Quercus grandis var. tenuipes Trel.	Synonym		WCSP
Quercus granitica Gand. [Invalid]	Synonym		WCSP
Quercus granulata Raf.	Synonym		WCSP
Quercus granulata Liebm. [Illegitimate]	Synonym		WCSP
Quercus gravesii Sudw.	Accepted		WCSP
Quercus grecescui Gand. [Invalid]	Synonym		WCSP
Quercus greeneana Hansen [Unplaced]	Unresolved		WCSP
Quercus greggii (A.DC.) Trel.	Accepted		WCSP
Quercus greggii f. subglabra C.H.Mull.	Synonym		WCSP
Quercus griffithii Hook.f. & Thomson ex Miq.	Accepted		WCSP
Quercus griffithii var. glanduligera Franch.	Synonym		WCSP
Quercus griffithii var. urticifolia Franch.	Synonym		WCSP
Quercus grisea Liebm.	Accepted		WCSP
Quercus grisebachii Kotschy, Mattei & Bald.	Synonym		WCSP
Quercus grosseserrata Blume	Synonym		WCSP
Quercus grosseserrata Kotschy ex Wenz.	Synonym		WCSP
Quercus grosseserrata f. longifolia Nakai	Synonym		WCSP
Quercus grosseserrata f. macrocarpa Nakai	Synonym		WCSP
Quercus × guadalupensis Sarg.	Accepted		WCSP
Quercus guajavifolia H. Lév.	Accepted		TRO
Quercus guatimalensis A.DC.	Synonym		WCSP
Quercus guayabalana Trel.	Synonym		WCSP
Quercus × guerangeri Hy	Synonym		WCSP
Quercus gulielmitreleasei C.H.Mull.	Accepted		WCSP
Quercus gulliveri F.Muell.	Synonym		WCSP
Quercus gunnisonii Rydb.	Synonym		WCSP
Quercus guppyi F.Muell.	Unresolved		WCSP
Quercus gussonei (Borzí) Brullo	Accepted		WCSP
Quercus guyavifolia H.Lév.	Accepted		WCSP
Quercus haas Kotschy	Synonym		WCSP
Quercus haas var. atrichoclados Borbás & Bornm.	Synonym		WCSP
Quercus haas var. pinnatipartita Formánek	Synonym		WCSP
Quercus haematophlebia Trel.	Synonym		WCSP
Quercus haerens Gand. [Invalid]	Synonym		WCSP
Quercus × hahnii Trel.	Synonym		WCSP
Quercus hainanensis Merr.	Synonym		WCSP
Quercus hainanica C.C.Huang & Y.T.Chang ex Govaerts & Frodin	Accepted		WCSP
Quercus hainanica C.C. Huang & Y.T. Chang	Synonym		TRO
Quercus haliphlaeos Lam.	Synonym		WCSP
Quercus × haliphleos Guss.	Synonym		WCSP
Quercus hallieri Seemen	Synonym		WCSP
Quercus halophila Gand. [Invalid]	Synonym		WCSP
Quercus hancei Benth.	Synonym		WCSP
Quercus handeliana A.Camus	Accepted		WCSP
Quercus × harbisonii Sarg.	Accepted		WCSP
Quercus × hariotii Hy ex Harr. & Guyét.	Unresolved		WCSP
Quercus harlandii Hance ex Walp.	Synonym		WCSP
Quercus harlandii var. integrifolia Dunn	Synonym		TRO
Quercus harmsiana Trel.	Synonym		WCSP
Quercus hartmanii Trel.	Synonym		WCSP
Quercus hartwegii Benth.	Synonym		WCSP
Quercus hartwegii f. glabrata Trel.	Synonym		WCSP
Quercus hartwissiana Steven	Accepted		WCSP
Quercus hartwissiana f. macrocarpa Medw.	Synonym		WCSP
Quercus hartwissiana var. macrocarpa (Medw.) A.Camus	Synonym		WCSP
Quercus hartwissiana f. typica Medw. [Invalid]	Synonym		WCSP
Quercus hasseltii Korth. ex Miq.	Synonym		WCSP
Quercus hastata Liebm.	Synonym		WCSP
Quercus × hastingsii Sarg.	Accepted		WCSP
Quercus havardii Rydb.	Accepted		WCSP
Quercus havardii var. tuckeri S.L.Welsh	Synonym		WCSP
Quercus havilandii Stapf	Synonym		WCSP
Quercus × hawkinsiae Sudw.	Accepted		WCSP
Quercus × haynaldiana Simonk.	Accepted		WCSP
Quercus hedjazii Djav.-Khoie	Synonym		WCSP
Quercus hefleriana A. DC.	Synonym		TRO
Quercus helferiana A.DC.	Accepted		WCSP
Quercus heliciformis Seemen	Synonym		WCSP
Quercus helvetica Gand. [Invalid]	Synonym		WCSP
Quercus × helvetica Thell.	Accepted		WCSP
Quercus hemipteroides C.H.Mull.	Synonym		WCSP
Quercus hemisphaerica Drake [Illegitimate]	Synonym		WCSP
Quercus hemisphaerica Bartram ex Willd.	Accepted		WCSP
Quercus hemisphaerica Endl. [Illegitimate]	Synonym		WCSP
Quercus hemisphaerica var. maritima (Michx.) C.H.Mull.	Synonym		WCSP
Quercus hemisphaerica var. nana (Willd.) Sarg.	Synonym		WCSP
Quercus hemisphaerica var. nana (Willd.) Nutt.	Synonym		TRO
Quercus hendersoniana A.Camus	Synonym		WCSP
Quercus × henriquesii Franco & Vasc.	Synonym		WCSP
Quercus henryi Seemen	Synonym		WCSP
Quercus hentzei Petz. & G.Kirchn.	Synonym		WCSP
Quercus × herculis Borbás	Synonym		WCSP
Quercus heteroloba Raf.	Synonym		WCSP
Quercus heterophylla Vuk. [Illegitimate]	Synonym		WCSP
Quercus heterophylla A.DC.	Synonym		WCSP
Quercus heterophylla Raf. [Illegitimate]	Synonym		WCSP
Quercus × heterophylla F.Michx.	Accepted		WCSP
Quercus × heuffelii Simonk.	Synonym		WCSP
Quercus × hickelii A.Camus [Unplaced]	Unresolved		WCSP
Quercus hilldebrandii (Hook.f.) A.Camus	Synonym		WCSP
Quercus × hillii Trel.	Synonym		WCSP
Quercus himalayana Bahadur	Synonym		WCSP
Quercus hinckleyi C.H.Mull.	Accepted		WCSP
Quercus hindsiana Benth. ex Dippel	Synonym		WCSP
Quercus hindsii Benth.	Synonym		WCSP
Quercus hintonii E.F.Warb.	Accepted		WCSP
Quercus hintoniorum Nixon & C.H.Müll.	Accepted		WCSP
Quercus hirsuta Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus hirsutula Blume	Synonym		WCSP
Quercus hirtifolia M.L.Vázquez, S.Valencia & Nixon	Accepted		WCSP
Quercus hispanica Willk. [Illegitimate]	Synonym		WCSP
Quercus × hispanica Lam.	Accepted		WCSP
Quercus × hispanica var. crispa (Loudon) Rehder	Synonym		WCSP
Quercus × hispanica var. dentata (P.Watson) Rehder	Synonym		WCSP
Quercus × hispanica var. diversifolia (G.Nicholson) Rehder	Synonym		WCSP
Quercus × hispanica var. gussonei (A.DC.) A.Camus	Synonym		WCSP
Quercus × hispanica var. heterophylla (Loudon) Rehder	Synonym		WCSP
Quercus × hispanica var. latifolia Rehder	Synonym		WCSP
Quercus × hispanica var. lucombeana (Sweet) Rehder	Synonym		WCSP
Quercus × hispanica var. pseudosuber (Santi) A.Camus	Synonym		WCSP
Quercus × hispanica var. suberosa (Gand.) Loudon	Synonym		WCSP
Quercus hodginsii Lodd. ex Steud. [Invalid]	Synonym		WCSP
Quercus hohenackeri Gand. [Invalid]	Synonym		WCSP
Quercus × hollickii C.K.Schneid. [Illegitimate]	Synonym		WCSP
Quercus holosericea Blume	Synonym		WCSP
Quercus hondae Makino	Accepted		WCSP
Quercus hondurensis Trel.	Synonym		WCSP
Quercus × hopeiensis Liou	Accepted		WCSP
Quercus horizontalis Dippel	Synonym		WCSP
Quercus horsfieldii Miq.	Synonym		WCSP
Quercus horsfieldii var. longifolia Miq.	Synonym		WCSP
Quercus houstoniana C.H.Mull.	Synonym		WCSP
Quercus × howellii Tucker	Accepted		WCSP
Quercus hsiensiui Chun & W.C.Ko	Synonym		WCSP
Quercus hudsoniana Dippel	Synonym		WCSP
Quercus huguetiana (Franco & G.López) Rivas Mart.	Synonym		WCSP
Quercus hui Chun	Accepted		WCSP
Quercus huitamalcana Trel.	Synonym		WCSP
Quercus humboldtii Kotschy ex A.DC.	Synonym		WCSP
Quercus humboldtii Bonpl.	Accepted		WCSP
Quercus humboldtii var. lehmanniana Hieron. ex Trel.	Synonym		WCSP
Quercus × humidicola E.J.Palmer	Accepted		WCSP
Quercus humilis DC. [Illegitimate]	Synonym		WCSP
Quercus humilis Mill.	Synonym		WCSP
Quercus humilis Lam. [Illegitimate]	Synonym		WCSP
Quercus humilis Walter [Illegitimate]	Synonym		WCSP
Quercus humilis f. brachycarpa (Guss. ex Parl.) F.M.Vázquez	Synonym		WCSP
Quercus humilis f. globulosa (Vuk.) F.M.Vázquez	Synonym		WCSP
Quercus humilis subsp. lanuginosa (Lam.) Franco & G.López	Synonym		WCSP
Quercus humilis f. leptobalanus (Guss.) F.M.Vázquez	Synonym		WCSP
Quercus humilis f. microcarpa F.M.Vázquez	Synonym		WCSP
Quercus humilis f. oxycarpa (Raddi) F.M.Vázquez	Synonym		WCSP
Quercus humilis f. parviglandis (Vuk.) F.M.Vázquez	Synonym		WCSP
Quercus humilis f. pedunculata Cout.	Synonym		WCSP
Quercus humilis f. rostrata (Vuk.) F.M.Vázquez	Synonym		WCSP
Quercus humilis f. subcrenatolobata Cout.	Synonym		WCSP
Quercus humilis var. subinclusa Cout.	Synonym		WCSP
Quercus humilis subsp. subpyrenaica (Villar) Rivas Mart. & al.	Synonym		WCSP
Quercus humilis f. vulgaris Cout. [Invalid]	Synonym		WCSP
Quercus humosa Blume	Synonym		WCSP
Quercus hunanensis Hand.-Mazz.	Synonym		WCSP
Quercus hungarica Hubeny	Synonym		WCSP
Quercus × hybrida Houba [Illegitimate]	Synonym		WCSP
Quercus × hybrida Bechst. [Illegitimate]	Synonym		WCSP
Quercus hybrida Small [Unplaced]	Unresolved		WCSP
Quercus hybrida Brot.	Synonym		WCSP
Quercus hyemalis Steven	Synonym		WCSP
Quercus hypargyrea (Seemen ex Diels) C.C.Huang & Y.T.Chang	Synonym		WCSP
Quercus hypochrysa Steven	Synonym		WCSP
Quercus hypoleuca Engelm. [Illegitimate]	Synonym		WCSP
Quercus hypoleuca Gand. [Invalid]	Synonym		WCSP
Quercus hypoleuca Kotschy ex A.DC.	Synonym		WCSP
Quercus hypoleuca Miq.	Synonym		WCSP
Quercus hypoleucoides A.Camus	Accepted		WCSP
Quercus hypophaea Hayata	Accepted		WCSP
Quercus × hypophaeos Booth ex Koehne [Unplaced]	Unresolved		WCSP
Quercus hypophlaeos Petz. & G.Kirchn.	Synonym		WCSP
Quercus hypophoenicea Seemen	Synonym		WCSP
Quercus hypoxantha Trel.	Accepted		WCSP
Quercus hystrix Korth.	Synonym		WCSP
Quercus hystrix var. longispica Gamble	Synonym		WCSP
Quercus hystrix var. mappacea (Korth.) Merr.	Synonym		WCSP
Quercus iberica Steven ex M.Bieb.	Synonym		WCSP
Quercus iberica var. kozlowskyi (Woronow ex Grossh.) Gagnidze	Synonym		WCSP
Quercus ibicis Kotschy ex A.DC.	Synonym		WCSP
Quercus ichangensis Nakai ex A.Camus	Synonym		WCSP
Quercus ichnusae Mossa, Bacch. & Brullo	Accepted		WCSP
Quercus idonea Goldman	Synonym		WCSP
Quercus × idzuensis Makino	Unresolved		TRO
Quercus ignaciensis C.H.Mull.	Accepted		WCSP
Quercus ijamahoso Siebold ex Miq.	Unresolved		WCSP
Quercus ilex L.	Accepted		WCSP
Quercus ilex Lour.	Synonym		WCSP
Quercus ilex var. acrodonta (Seemen) Skan	Synonym		WCSP
Quercus ilex f. ambigua (Albert) C.Vicioso	Synonym		WCSP
Quercus ilex var. ambigua Albert	Synonym		WCSP
Quercus ilex var. angustifolia Lam.	Synonym		WCSP
Quercus ilex var. aperta Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex var. argentata Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex var. avellaniformis (Colmeiro & E.Boutelou) Cout.	Synonym		WCSP
Quercus ilex var. ballota (Desf.) A.DC.	Synonym		WCSP
Quercus ilex subsp. ballota (Desf.) Samp.	Synonym		WCSP
Quercus ilex subsp. ballota (Desf.) Bonafé	Synonym		TRO
Quercus ilex var. brachycalyx Borzí	Synonym		WCSP
Quercus ilex f. brevicupulata Laguna	Synonym		WCSP
Quercus ilex var. brevicupulata (Laguna) C.Vicioso	Synonym		WCSP
Quercus ilex var. bullata (Seemen) Franch.	Synonym		WCSP
Quercus ilex var. calycina (Poir.) Laguna	Synonym		WCSP
Quercus ilex var. calycina (Poir.) C. Vicioso	Synonym		TRO
Quercus ilex var. cerasifolia Albert	Synonym		WCSP
Quercus ilex var. conocarpa Ten.	Synonym		WCSP
Quercus ilex var. constricta Ten.	Synonym		WCSP
Quercus ilex var. cordifolia Albert	Synonym		WCSP
Quercus ilex f. crassicupulata Cout.	Synonym		WCSP
Quercus ilex var. crispa Lodd.	Synonym		WCSP
Quercus ilex var. crispata Albert	Synonym		WCSP
Quercus ilex var. cylindrocarpa Ten.	Synonym		WCSP
Quercus ilex var. denudata Ten.	Synonym		WCSP
Quercus ilex var. depressa Albert	Synonym		WCSP
Quercus ilex var. diversifolia G.Nicholson	Synonym		WCSP
Quercus ilex var. dolichocalyx C.Vicioso	Synonym		WCSP
Quercus ilex var. elegans Albert	Synonym		WCSP
Quercus ilex var. ellipticifolia Albert	Synonym		WCSP
Quercus ilex var. eucalyptoides Lojac.	Synonym		WCSP
Quercus ilex var. expansa (Poir.) A.Camus	Synonym		WCSP
Quercus ilex var. fagifolia Lodd.	Synonym		WCSP
Quercus ilex var. fagifolia Sprenger	Synonym		WCSP
Quercus ilex var. fimbriata Ten.	Synonym		WCSP
Quercus ilex var. fordii Loudon	Synonym		WCSP
Quercus ilex var. geminiflora Ten.	Synonym		WCSP
Quercus ilex var. genabii Bean	Synonym		WCSP
Quercus ilex var. genuina Cout. [Invalid]	Synonym		WCSP
Quercus ilex var. glaucocaesia Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex var. gracilis Laguna	Synonym		WCSP
Quercus ilex subsp. gracilis Rivas Mart. & Sáenz de Rivas	Synonym		WCSP
Quercus ilex var. gramunita (L.) Loudon	Synonym		WCSP
Quercus ilex var. grandifolia (Colmeiro) C.Vicioso	Synonym		WCSP
Quercus ilex var. integrifolia Lodd.	Synonym		WCSP
Quercus ilex var. intermedia Ten.	Synonym		WCSP
Quercus ilex var. lanceolata Kotschy	Synonym		WCSP
Quercus ilex var. latifolia Lodd.	Synonym		WCSP
Quercus ilex var. laurifolia Laguna	Synonym		WCSP
Quercus ilex var. longifolia Lodd.	Synonym		WCSP
Quercus ilex var. macrocarpa Albert	Synonym		WCSP
Quercus ilex f. macrocarpa Cout.	Synonym		WCSP
Quercus ilex f. macrophylla Villar	Synonym		WCSP
Quercus ilex var. macrophylla Ten.	Synonym		WCSP
Quercus ilex var. marcetii (Pau) C.Vicioso	Synonym		WCSP
Quercus ilex var. microbalana Borzí	Synonym		WCSP
Quercus ilex var. microcarpa Gand. ex A.Camus	Synonym		WCSP
Quercus ilex f. microphylla Villar	Synonym		WCSP
Quercus ilex var. microphylla Batt. & Trab.	Synonym		WCSP
Quercus ilex var. mirabilis Albert	Synonym		WCSP
Quercus ilex subsp. montserratensis Svent. & Marcet	Synonym		WCSP
Quercus ilex var. myrtifolia Albert	Synonym		WCSP
Quercus ilex f. obesa (Albert) F.M.Vázquez	Synonym		WCSP
Quercus ilex var. obesa Albert	Synonym		WCSP
Quercus ilex var. oblongifolia Lam.	Synonym		WCSP
Quercus ilex var. obovatifolia (Colmeiro) C.Vicioso	Synonym		WCSP
Quercus ilex var. oleifolia Ten.	Synonym		WCSP
Quercus ilex f. oleoides Cout.	Synonym		WCSP
Quercus ilex var. oleoides Albert	Synonym		WCSP
Quercus ilex var. oosperma Albert	Synonym		WCSP
Quercus ilex var. operculata Ten.	Synonym		WCSP
Quercus ilex var. ovatiacutifolia Albert	Synonym		WCSP
Quercus ilex var. ovifolia Albert	Synonym		WCSP
Quercus ilex var. parvifolia Borzí	Synonym		WCSP
Quercus ilex var. pendula Trab.	Synonym		WCSP
Quercus ilex f. pendula (Trab.) Villar	Synonym		WCSP
Quercus ilex var. phillyreoides (A.Gray) Franch.	Synonym		WCSP
Quercus ilex var. pisiformis Albert	Synonym		WCSP
Quercus ilex var. plicata (Rouy) A.Camus	Synonym		WCSP
Quercus ilex var. polycarpa Ten.	Synonym		WCSP
Quercus ilex var. reducta Albert	Synonym		WCSP
Quercus ilex var. revoluta Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex var. revoluta Albert [Illegitimate]	Synonym		WCSP
Quercus ilex var. rhododendrifolia Murr	Synonym		WCSP
Quercus ilex var. rostrata Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex subsp. rotundifolia (Lam.) O.Schwarz ex Tab.Morais	Synonym		WCSP
Quercus ilex var. rotundifolia (Lam.) Trab.	Synonym		WCSP
Quercus ilex var. rufescens Franch.	Synonym		WCSP
Quercus ilex var. salicifolia Borzí	Synonym		WCSP
Quercus ilex var. serratifolia Albert	Synonym		WCSP
Quercus ilex var. sinuosifolia Albert	Synonym		WCSP
Quercus ilex var. smilax (L.) Asch. & Graebn.	Synonym		WCSP
Quercus ilex var. sphaerocarpa Ten.	Synonym		WCSP
Quercus ilex var. spinifolia Albert	Synonym		WCSP
Quercus ilex var. spinosa (David) Franch.	Synonym		WCSP
Quercus ilex var. spinulosa Albert	Synonym		WCSP
Quercus ilex f. stenocarpa (Albert) F.M.Vázquez	Synonym		WCSP
Quercus ilex var. stenocarpa Albert	Synonym		WCSP
Quercus ilex var. strangulata Ten.	Synonym		WCSP
Quercus ilex var. subocculata Ten.	Synonym		WCSP
Quercus ilex var. subrevoluta A.Camus	Synonym		WCSP
Quercus ilex var. subsphaerocarpa Albert	Synonym		WCSP
Quercus ilex var. turbinata Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex var. undulata Ten.	Synonym		WCSP
Quercus ilex var. undulata Albert	Synonym		WCSP
Quercus ilex f. urceolata (Martrin-Donos & Timb.-Lagr.) F.M.Vázquez	Synonym		WCSP
Quercus ilex var. urceolata Martrin-Donos & Timb.-Lagr.	Synonym		WCSP
Quercus ilex f. vulgaris Cout. [Invalid]	Synonym		WCSP
Quercus ilexoides Raf.	Synonym		WCSP
Quercus ilicifolia Wangenh.	Accepted		WCSP
Quercus ilicifolia Koord. & Valeton ex Seemen	Synonym		WCSP
Quercus ilicifolia Salisb. [Illegitimate]	Synonym		WCSP
Quercus ilicifolia var. georgiana A.Wood	Synonym		WCSP
Quercus ilicifolius Griff.	Synonym		WCSP
Quercus × ilicococcinea Saporta	Synonym		WCSP
Quercus ilicoides David	Synonym		WCSP
Quercus × illesiana Mátyás	Synonym		WCSP
Quercus iltisii L.M.González	Accepted		WCSP
Quercus imbricaria Michx.	Accepted		WCSP
Quercus imbricaria var. inaequalifolia Kuntze	Synonym		WCSP
Quercus imbricaria var. spinulosa A.DC.	Synonym		WCSP
Quercus imbricariifolia Trel.	Synonym		WCSP
Quercus imbricata Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus imeretina Steven ex Woronow	Synonym		WCSP
Quercus immodica Gand. [Invalid]	Synonym		WCSP
Quercus imperialis Seemen	Synonym		WCSP
Quercus implicata Gand. [Invalid]	Synonym		WCSP
Quercus imponens Gand. [Invalid]	Synonym		WCSP
Quercus impressa Trel.	Synonym		WCSP
Quercus impressivena Hayata	Synonym		WCSP
Quercus × inaequalis E.J.Palmer & Steyerm. [Illegitimate]	Synonym		WCSP
Quercus inaequalis Watelet [Unplaced]	Unresolved		WCSP
Quercus incana Bartram	Accepted		WCSP
Quercus incana Roxb. [Illegitimate]	Synonym		WCSP
Quercus incarnata Trel.	Synonym		WCSP
Quercus incarnata f. ampla Trel.	Synonym		WCSP
Quercus incarnata f. grosseserrata Trel.	Synonym		WCSP
Quercus incarnata f. longa Trel.	Synonym		WCSP
Quercus incisa Steud.	Synonym		WCSP
Quercus × incomita E.J.Palmer	Accepted		WCSP
Quercus × inconstans E.J.Palmer	Accepted		WCSP
Quercus incrassata Trel.	Synonym		WCSP
Quercus indica (Roxb. ex Lindl.) Drake	Synonym		WCSP
Quercus indifferens Gand. [Invalid]	Synonym		WCSP
Quercus induta Blume	Synonym		WCSP
Quercus induta var. microcarpa A.DC.	Synonym		WCSP
Quercus inermis Ehrenb. ex Kotschy	Synonym		WCSP
Quercus infectoria G.Olivier	Accepted		WCSP
Quercus infectoria var. boissieri (Reut.) Gürke	Synonym		WCSP
Quercus infectoria subsp. boissieri (Reut.) O.Schwarz	Synonym		WCSP
Quercus infectoria subsp. glabra O.Schwarz	Synonym		WCSP
Quercus infectoria f. grossedentata Wenz.	Synonym		WCSP
Quercus infectoria subsp. infectoria	Accepted		WCSP
Quercus infectoria var. insularis A.Camus	Synonym		WCSP
Quercus infectoria var. latifolia (Boiss.) A.Camus	Synonym		WCSP
Quercus infectoria var. leptocarpa Wenz.	Synonym		WCSP
Quercus infectoria var. microphylla A.Camus	Synonym		WCSP
Quercus infectoria subsp. mirbeckii (Durieu) Nyman	Synonym		WCSP
Quercus infectoria subsp. petiolaris (Boiss. & Heldr.) O.Schwarz	Synonym		WCSP
Quercus infectoria var. petiolaris (Boiss. & Heldr.) Hand.-Mazz.	Synonym		WCSP
Quercus infectoria subsp. puberula O.Schwarz	Synonym		WCSP
Quercus infectoria var. stenophylla Eig ex A.Camus	Synonym		WCSP
Quercus infectoria var. syriaca (Kotschy) J.Thiébaut	Synonym		WCSP
Quercus infectoria var. veneris (A.Kern.) H.Lindb.	Synonym		WCSP
Quercus infectoria subsp. veneris (A.Kern.) Meikle	Accepted		WCSP
Quercus infralutea Trel.	Synonym		WCSP
Quercus innuncupata Trel.	Synonym		WCSP
Quercus inopina Ashe	Accepted		WCSP
Quercus inops Kotschy ex A.DC.	Synonym		WCSP
Quercus inops Gand. [Invalid]	Synonym		WCSP
Quercus insignis M.Martens & Galeotti	Accepted		WCSP
Quercus insignis subsp. oocarpa (Liebm.) A.E.Murray	Synonym		WCSP
Quercus insignis var. oocarpa (Liebm.) A.E.Murray	Synonym		WCSP
Quercus insignis var. pilarius (Trel.) A.E.Murray	Synonym		WCSP
Quercus insignis subsp. pilarius (Trel.) A.E.Murray	Synonym		WCSP
Quercus insignis var. strombocarpoides Liebm.	Synonym		WCSP
Quercus insignis x lancifolia	Unresolved		TRO
Quercus insularis Gand. [Invalid]	Synonym		WCSP
Quercus insularis Chun & P.C.Tam [Illegitimate]	Synonym		WCSP
Quercus insularis Borzí	Synonym		WCSP
Quercus × integrata Albert	Synonym		WCSP
Quercus integrifolia Steud.	Synonym		WCSP
Quercus × intercedens Beck	Synonym		WCSP
Quercus × intermedia Boenn. ex Rchb.	Synonym		WCSP
Quercus intermedia M.Martens & Galeotti	Synonym		WCSP
Quercus interruptella Gand. [Invalid]	Synonym		WCSP
Quercus intricata Trel.	Accepted		WCSP
Quercus intricata f. angusta Trel.	Synonym		WCSP
Quercus intricata f. erratica Trel.	Synonym		WCSP
Quercus intricata f. ovata Trel.	Synonym		WCSP
Quercus × introgressa P.M.Thomson	Accepted		WCSP
Quercus invaginata Trel.	Accepted		WCSP
Quercus inversa Lindl. & Paxton	Synonym		WCSP
Quercus ipes HU	Unresolved		TRO
Quercus irazuensis Kuntze	Accepted		WCSP
Quercus irregularis Djav.-Khoie	Synonym		WCSP
Quercus irwinii Hance	Synonym		WCSP
Quercus isodes Gand. [Invalid]	Synonym		WCSP
Quercus iteaphylla Hance	Synonym		WCSP
Quercus ithaburensis Decne.	Accepted		WCSP
Quercus ithaburensis var. calliprinoides Zohary	Synonym		WCSP
Quercus ithaburensis var. dolicholepis Zohary	Synonym		WCSP
Quercus ithaburensis subsp. ithaburensis	Accepted		WCSP
Quercus ithaburensis subsp. macrolepis (Kotschy) Hedge & Yalt.	Accepted		WCSP
Quercus ithaburensis var. subcalva Zohary	Synonym		WCSP
Quercus ithaburensis var. subinclusa Zohary	Synonym		WCSP
Quercus × jackiana C.K.Schneid.	Accepted		WCSP
Quercus jacobi R.Br.ter	Synonym		WCSP
Quercus jactata Gand. [Invalid]	Synonym		WCSP
Quercus × jahandiezii A.Camus	Synonym		WCSP
Quercus jahnii Simonk. [Unplaced]	Unresolved		WCSP
Quercus jaliscensis Trel.	Synonym		WCSP
Quercus jamabuwa Siebold ex Miq.	Unresolved		WCSP
Quercus jaralensis Trel.	Synonym		WCSP
Quercus jaralensis f. berlandieri Trel.	Synonym		WCSP
Quercus javanica (Blume) Drake	Synonym		WCSP
Quercus javensis (Blume) Miq.	Synonym		WCSP
Quercus jenkinsiana Benth. ex Hook.f.	Synonym		WCSP
Quercus jenkinsii Benth.	Synonym		WCSP
Quercus jenseniana Hand.-Mazz.	Accepted		WCSP
Quercus jinpinensis (Y.C.Hsu & H.Wei Jen) C.C.Huang	Accepted		WCSP
Quercus john-tuckeri Nixon & C.H.Müll.	Accepted		WCSP
Quercus × jolonensis Sarg.	Accepted		WCSP
Quercus jonesii Trel.	Accepted		WCSP
Quercus × joorii Trel.	Accepted		WCSP
Quercus jordanae Villanueva	Synonym		WCSP
Quercus jucunda Gand. [Invalid]	Synonym		WCSP
Quercus juergensenii Liebm.	Accepted		WCSP
Quercus juncta Gand. [Invalid]	Synonym		WCSP
Quercus junghuhnii Miq.	Synonym		WCSP
Quercus jurgensii A. DC.	Unresolved		TRO
Quercus juvenilis Gand. [Invalid]	Synonym		WCSP
Quercus × kabylica Trab.	Accepted		WCSP
Quercus kajan Miq.	Synonym		WCSP
Quercus kamroopii D.Don [Unplaced]	Unresolved		WCSP
Quercus kamroopii var. thomsoniana (A.DC.) V.Singh & P.Singh	Synonym		WCSP
Quercus kanehirai Nakai	Synonym		WCSP
Quercus × kanitziana Borbás	Unresolved		WCSP
Quercus × kanitziana f. apatini Erdesi	Synonym		WCSP
Quercus karduchorum K.Koch ex Dippel	Synonym		WCSP
Quercus karwinskii Trel.	Synonym		WCSP
Quercus kasaimok H.Lév. ex Nakai	Synonym		WCSP
Quercus kassanogluanensis Kotschy	Synonym		WCSP
Quercus kawakamii Hayata	Synonym		WCSP
Quercus keizo-kishimae Yanagita	Synonym		WCSP
Quercus kelloggii Newb.	Accepted		WCSP
Quercus kerangasensis Soepadmo	Accepted		WCSP
Quercus × kerneri Simonk.	Accepted		WCSP
Quercus kerrii Craib	Accepted		WCSP
Quercus kerrii var. pubescens Barnett	Synonym		WCSP
Quercus × kewensis Osborn [Unplaced]	Unresolved		WCSP
Quercus kinabaluensis Soepadmo	Accepted		WCSP
Quercus kingiana Craib	Accepted		WCSP
Quercus × kinseliae (C.H.Mull.) Nixon & C.H.Müll.	Accepted		WCSP
Quercus kirinensis Nakai	Synonym		WCSP
Quercus kiukiangensis (Y.T.Chang) Y.T.Chang	Accepted		WCSP
Quercus kiukiangensis var. xizangensis (Y.C.Hsu & H.Wei Jen) Z.K.Zhou & H.Sun	Accepted		WCSP
Quercus × kiusiana (Nakai) H.Ohba	Accepted		WCSP
Quercus × knoblochii C.H.Mull.	Accepted		WCSP
Quercus kochiana O.Schwarz	Synonym		WCSP
Quercus kodaihoensis Hayata	Synonym		WCSP
Quercus × koehnei Ambrozy ex C.K.Schneid.	Synonym		WCSP
Quercus × kokaiensis A.Camus [Illegitimate]	Synonym		WCSP
Quercus × komarovii A.Camus	Synonym		WCSP
Quercus kongshanensis Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus konishii Hayata	Synonym		WCSP
Quercus kontumensis A.Camus	Synonym		WCSP
Quercus koordersii Seemen	Synonym		WCSP
Quercus × koreana Nakai	Synonym		WCSP
Quercus kormesina Lavallée [Unplaced]	Unresolved		WCSP
Quercus korthalsii Endl.	Synonym		WCSP
Quercus korthalsii Blume [Illegitimate]	Synonym		WCSP
Quercus korthalsii var. hystrix (Korth.) Blume	Synonym		WCSP
Quercus korthalsii var. kajan Blume	Synonym		WCSP
Quercus korthalsii var. mappacea (Korth.) Blume	Synonym		WCSP
Quercus korthalsii var. pachyphylla Blume	Synonym		WCSP
Quercus kotschyana O.Schwarz	Accepted		WCSP
Quercus kouangsiensis A.Camus	Accepted		WCSP
Quercus kovatsiana Gand. [Invalid]	Synonym		WCSP
Quercus kozloviana Liou	Synonym		WCSP
Quercus kozlowskyi Woronow ex Grossh.	Synonym		WCSP
Quercus kunstleri King ex Hook.f.	Synonym		WCSP
Quercus kunzei Gand. [Invalid]	Synonym		WCSP
Quercus kurdica Wenz.	Synonym		WCSP
Quercus kurzii Hance	Synonym		WCSP
Quercus kusaiensis H.Lév. ex Rehder	Synonym		WCSP
Quercus lacera Blume	Synonym		WCSP
Quercus laceyi Small	Accepted		WCSP
Quercus laciniata Vuk. [Unplaced]	Unresolved		WCSP
Quercus laciniata Lodd.	Synonym		WCSP
Quercus lacinifolia Vuk.	Synonym		WCSP
Quercus laciniosa Boreau	Synonym		WCSP
Quercus laeta Liebm.	Accepted		WCSP
Quercus laeta f. heterophylla Trel.	Synonym		WCSP
Quercus laevigata Blume	Synonym		WCSP
Quercus laevis Walter	Accepted		WCSP
Quercus laevis f. lineariloba Trel.	Synonym		WCSP
Quercus laevis f. rappii Trel.	Synonym		WCSP
Quercus lamellata Roxb.	Synonym		WCSP
Quercus lamelloides C.C.Huang	Synonym		WCSP
Quercus lamellosa Sm.	Accepted		WCSP
Quercus lamellosa var. lamellosa	Accepted		WCSP
Quercus lamellosa var. nigrinervis (Hu) Z.K.Zhou & H.Sun	Accepted		WCSP
Quercus lampadaria (Gamble) Burkill	Synonym		WCSP
Quercus lamponga Miq.	Synonym		WCSP
Quercus lamponga var. ewyckioides Gamble	Synonym		WCSP
Quercus lamprophyllos K.Koch	Synonym		WCSP
Quercus lanata Sm.	Accepted		WCSP
Quercus lanata var. incana Wenz.	Synonym		WCSP
Quercus lanata subsp. lanata	Accepted		WCSP
Quercus lanata var. leiocarpa A.Camus	Synonym		WCSP
Quercus lanata subsp. leiocarpa (A.Camus) Menitsky	Accepted		WCSP
Quercus lanceifolia Roxb. [Illegitimate]	Synonym		WCSP
Quercus lanceolata M.Martens & Galeotti ex A.DC. [Illegitimate]	Synonym		WCSP
Quercus lanceolata Bonpl.	Synonym		WCSP
Quercus lanceolata S.Z.Qu & W.H.Zhang [Illegitimate]	Synonym		WCSP
Quercus lanceolata M. Martens & Galeotti	Synonym		TRO
Quercus lanceolata var. undulatodentata A.DC.	Synonym		WCSP
Quercus lancifolia Schltdl. & Cham.	Accepted		WCSP
Quercus lancifolia Benth. [Illegitimate]	Synonym		WCSP
Quercus lancifolia Liebm. ex A.DC.	Synonym		WCSP
Quercus lancifolia var. monocarpa Wenz.	Synonym		WCSP
Quercus lancifolia f. pilosiuscula Wenz.	Synonym		WCSP
Quercus lanciloba Gand. [Invalid]	Synonym		WCSP
Quercus langbianensis Hickel & A.Camus	Accepted		WCSP
Quercus langbianensis subsp. cambodiensis (Hickel & A.Camus) Menitsky	Accepted		WCSP
Quercus langbianensis subsp. langbianensis	Accepted		WCSP
Quercus langlassei Trel.	Synonym		WCSP
Quercus languinosa var. leptobalana (Guss.) Gürke	Unresolved		TRO
Quercus lanigera M.Martens & Galeotti	Synonym		WCSP
Quercus lanigera f. sideroxyloides Trel.	Synonym		WCSP
Quercus lanuginosa Franch. [Illegitimate]	Synonym		WCSP
Quercus lanuginosa (Lam.) Thuill. [Illegitimate]	Synonym		WCSP
Quercus lanuginosa Beck [Illegitimate]	Synonym		WCSP
Quercus lanuginosa Lam. [Illegitimate]	Synonym		WCSP
Quercus lanuginosa D.Don [Illegitimate]	Synonym		WCSP
Quercus lanuginosa var. amplifolia (Guss.) Borzí	Synonym		WCSP
Quercus lanuginosa var. asperata (Pers.) Gürke	Synonym		WCSP
Quercus lanuginosa var. australis Wenz.	Synonym		WCSP
Quercus lanuginosa var. bacunensis (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. bedoi Nyman	Synonym		WCSP
Quercus lanuginosa var. brachycarpa Guss.	Synonym		WCSP
Quercus lanuginosa subsp. brachyphylla (Kotschy) Nyman	Synonym		WCSP
Quercus lanuginosa var. brachyphylla (Kotschy) Gürke	Synonym		WCSP
Quercus lanuginosa subsp. brachyphylla (Kotschy) A. Camus	Synonym		TRO
Quercus lanuginosa var. brandisii (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. brevicalyx C.Vicioso	Synonym		WCSP
Quercus lanuginosa var. budayana (Haberle ex Heuff.) Nyman	Synonym		WCSP
Quercus lanuginosa var. cerrioides (Willk. & Costa) A.Camus	Synonym		WCSP
Quercus lanuginosa subsp. cerrioides (Willk. & Costa) Nyman	Synonym		WCSP
Quercus lanuginosa var. congesta (C.Presl) Gürke	Synonym		WCSP
Quercus lanuginosa subsp. congesta (C.Presl) Nyman	Synonym		WCSP
Quercus lanuginosa var. conglomerata (Pers.) Nyman	Synonym		WCSP
Quercus lanuginosa subsp. crispata (Steven) Nyman	Synonym		WCSP
Quercus lanuginosa subsp. crispata (Steven) A. Camus	Synonym		TRO
Quercus lanuginosa var. croatica (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. cupaniana (Guss.) A.Camus	Synonym		WCSP
Quercus lanuginosa subsp. dalechampii (Ten.) A.Camus	Synonym		WCSP
Quercus lanuginosa var. dissecta (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus lanuginosa var. erythrolepis (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. faginea Nyman	Synonym		WCSP
Quercus lanuginosa var. globulosa (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. glomerata (Lam.) Asch. & Graebn.	Synonym		WCSP
Quercus lanuginosa var. gussonei Borzí	Synonym		WCSP
Quercus lanuginosa subsp. haynaldiana (Simonk.) Nyman	Synonym		WCSP
Quercus lanuginosa var. heterophylla Gürke	Synonym		WCSP
Quercus lanuginosa var. lacera (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. lacinifolia (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. laciniosa (Boreau) Nyman	Synonym		WCSP
Quercus lanuginosa var. laciniosa (Boreau) A. Camus	Synonym		TRO
Quercus lanuginosa var. lamarckiana Issler	Synonym		WCSP
Quercus lanuginosa var. leptobalanus (Guss.) Gürke	Synonym		WCSP
Quercus lanuginosa var. macrocarpa Tod., Asch. & Graebn.	Synonym		WCSP
Quercus lanuginosa var. macrolepis (Borzí) Gürke	Synonym		WCSP
Quercus lanuginosa subsp. medwediewii A.Camus	Synonym		WCSP
Quercus lanuginosa var. microbalanos (Boreau) Schur	Synonym		WCSP
Quercus lanuginosa var. microcarpa Borzí	Synonym		WCSP
Quercus lanuginosa var. microlepis (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa f. microphylla Gavioli	Synonym		WCSP
Quercus lanuginosa var. montana (Tod.) A.Camus	Synonym		WCSP
Quercus lanuginosa var. oblongata (Tod.) A.Camus	Synonym		WCSP
Quercus lanuginosa var. oxycarpa (Raddi) Nyman	Synonym		WCSP
Quercus lanuginosa var. oxycarpa (Raddi) Gürke	Synonym		TRO
Quercus lanuginosa subsp. palensis (Palassou) A.Camus	Synonym		WCSP
Quercus lanuginosa var. parviglandis (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus lanuginosa var. pendula (Neill) L.H.Bailey	Synonym		WCSP
Quercus lanuginosa f. pichleri Beck	Synonym		WCSP
Quercus lanuginosa var. polycarpa Schur	Synonym		WCSP
Quercus lanuginosa var. provincialis A.Camus	Synonym		WCSP
Quercus lanuginosa var. pusilla (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. rostrata (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. rufa (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. sectifolia (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. sennenii A.Camus	Synonym		WCSP
Quercus lanuginosa var. spicata Tourlet	Synonym		WCSP
Quercus lanuginosa var. stenolepis (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. stenophylla C.Vicioso	Synonym		WCSP
Quercus lanuginosa var. streimii (Heuff.) Nyman	Synonym		WCSP
Quercus lanuginosa var. suberoides (Debeaux) A.Camus	Synonym		WCSP
Quercus lanuginosa var. subspicata A.Camus	Synonym		WCSP
Quercus lanuginosa var. sulcata (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. tenorei (A.DC.) C.K.Schneid.	Synonym		WCSP
Quercus lanuginosa var. tortulosa (Vuk.) Gürke	Synonym		WCSP
Quercus lanuginosa var. undulata (Kit.) A.Camus	Synonym		WCSP
Quercus lanuginosa var. virgiliana (Ten.) A.Camus	Synonym		WCSP
Quercus laotica A.Camus	Synonym		WCSP
Quercus lappacea (Roxb.) Rehder [Invalid]	Synonym		WCSP
Quercus lappacea Roxb.	Synonym		WCSP
Quercus lasistan Kotschy ex A.DC.	Synonym		WCSP
Quercus latifida Gand. [Invalid]	Synonym		WCSP
Quercus latifolia Steud.	Synonym		WCSP
Quercus laurei Coutange	Synonym		WCSP
Quercus laurifolia Michx.	Accepted		WCSP
Quercus laurifolia Miq.	Synonym		WCSP
Quercus laurifolia var. acuta W.T.Aiton	Synonym		WCSP
Quercus laurifolia f. dentata Trel.	Synonym		WCSP
Quercus laurifolia var. hybrida Michx.	Synonym		WCSP
Quercus laurifolia var. maritima (Michx.) A.E.Murray	Synonym		WCSP
Quercus laurifolia subsp. maritima (Michx.) A.E.Murray	Synonym		WCSP
Quercus laurifolia f. obovatifolia (Sarg.) Trel.	Synonym		WCSP
Quercus laurifolia var. obtusa Willd.	Synonym		WCSP
Quercus laurifolia var. rhombica (Sarg.) Trel.	Synonym		WCSP
Quercus laurifolia var. tridentata Sarg.	Synonym		WCSP
Quercus laurina M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Quercus laurina Liebm. ex A.DC.	Synonym		WCSP
Quercus laurina Bonpl.	Accepted		WCSP
Quercus laurina var. barbinervis (Benth.) Wenz.	Synonym		WCSP
Quercus laurina var. major (A.DC.) Wenz.	Synonym		WCSP
Quercus laurina var. ocoteifolia (Liebm.) Wenz.	Synonym		WCSP
Quercus laurina var. podocarpa (A.DC.) Wenz.	Synonym		WCSP
Quercus lauterbachii Seemen	Synonym		WCSP
Quercus laxa Liebm.	Accepted		WCSP
Quercus laxiflora Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus × leana Nutt.	Accepted		WCSP
Quercus lecomteana Trel.	Synonym		WCSP
Quercus × legionensis C.Vicioso	Synonym		WCSP
Quercus leiodermis Ashe	Synonym		WCSP
Quercus leiophylla A.DC.	Accepted		WCSP
Quercus leiophylla f. subintegra Trel.	Synonym		WCSP
Quercus lenticellata Barnett	Accepted		WCSP
Quercus lentula Gand. [Invalid]	Synonym		WCSP
Quercus lephrella Gand. [Invalid]	Synonym		WCSP
Quercus lepidocarpa Hayata	Synonym		WCSP
Quercus leptobalanus Guss.	Synonym		WCSP
Quercus leptocarpa Vuk. [Unplaced]	Unresolved		WCSP
Quercus leptocarpa Jord. [Unplaced]	Unresolved		WCSP
Quercus leptocarpos Kotschy ex Boiss.	Synonym		WCSP
Quercus leptogyne Korth.	Synonym		WCSP
Quercus leptophylla Rydb.	Synonym		WCSP
Quercus × lesueuri C.H.Mull.	Synonym		WCSP
Quercus leucifolia Schltdl. & Cham.	Unresolved		TRO
Quercus leucocarpa Hook.f. & Thomson ex Wenz.	Synonym		WCSP
Quercus leucoclada Gand. [Invalid]	Synonym		WCSP
Quercus leucophylla (Ashe) Ashe	Synonym		WCSP
Quercus leucotrichophora A.Camus ex Bahadur [Illegitimate]	Synonym		WCSP
Quercus leucotrichophora A.Camus	Synonym		WCSP
Quercus lezermaniana Bosc ex Poir. [Unplaced]	Unresolved		WCSP
Quercus liaoi C.F.Shen	Accepted		WCSP
Quercus liaotungensis Koidz.	Synonym		WCSP
Quercus liaotungensis f. capillata Kozlov	Synonym		WCSP
Quercus liaotungensis f. funebris Nakai	Synonym		WCSP
Quercus liaotungensis f. glabra Nakai	Synonym		WCSP
Quercus liaotungensis var. heterophylla A.Camus	Synonym		WCSP
Quercus liaotungensis f. undulatifolia Nakai	Synonym		WCSP
Quercus × libanerris Boom [Unplaced]	Unresolved		WCSP
Quercus libani G.Olivier	Accepted		WCSP
Quercus libani f. deflexa Zohary	Synonym		WCSP
Quercus libani var. eigii (A.Camus) Zohary	Synonym		WCSP
Quercus libani var. inermis Zohary	Synonym		WCSP
Quercus libani var. pinnata Hand.-Mazz.	Synonym		WCSP
Quercus libani var. regia (Lindl.) Boiss.	Synonym		WCSP
Quercus libani var. vesca (Kotschy) Boiss.	Synonym		WCSP
Quercus liboensis Z.K.Zhou	Accepted		WCSP
Quercus lichuanensis W.C. Cheng	Synonym		TRO
Quercus liebmannii Oerst. ex Trel.	Accepted		WCSP
Quercus liebmannii f. brevipes Trel.	Synonym		WCSP
Quercus ligustica Gand. [Invalid]	Synonym		WCSP
Quercus limitanea Gand. [Invalid]	Synonym		WCSP
Quercus lindenii A.DC.	Synonym		WCSP
Quercus lindleyana Wall. ex A.DC.	Synonym		WCSP
Quercus lineata Miq.	Synonym		WCSP
Quercus lineata Blume	Accepted		WCSP
Quercus lineata var. fargesii (Franch.) Skan	Synonym		WCSP
Quercus lineata var. grandifolia Skan	Synonym		WCSP
Quercus lineata var. heterochroa Miq.	Synonym		WCSP
Quercus lineata var. hilldebrandii Hook.f.	Synonym		WCSP
Quercus lineata var. lobbii (Ettingsh.) Wenz.	Synonym		WCSP
Quercus lineata var. macrophylla Seemen	Synonym		WCSP
Quercus lineata var. merkusii (Endl.) Wenz.	Synonym		WCSP
Quercus lineata var. oxyodon (Miq.) Wenz.	Synonym		WCSP
Quercus lineata var. oxyrhyncha (Miq.) Seem.	Synonym		WCSP
Quercus lineata var. thomsoniana (A.DC.) Wenz.	Synonym		WCSP
Quercus linguifolia Liebm.	Synonym		WCSP
Quercus lipacon Elmer	Synonym		WCSP
Quercus listeri King ex Hook.f.	Synonym		WCSP
Quercus litigiosa Gand. [Invalid]	Synonym		WCSP
Quercus litoralis Blume	Unresolved		WCSP
Quercus litorea Gand. [Invalid]	Synonym		WCSP
Quercus litseifolia Hance	Synonym		WCSP
Quercus litseoides Dunn	Accepted		WCSP
Quercus × livermorensis C.H.Mull.	Synonym		WCSP
Quercus llanosii A.DC.	Synonym		WCSP
Quercus lobata Née	Accepted		WCSP
Quercus lobata f. argillora Jeps.	Synonym		WCSP
Quercus lobata var. argillora (Jeps.) Jeps.	Synonym		WCSP
Quercus lobata var. breweri (Engelm.) Wenz.	Synonym		WCSP
Quercus lobata var. fruticosa Engelm.	Synonym		WCSP
Quercus lobata var. hindsii (Benth.) Wenz.	Synonym		WCSP
Quercus lobata var. insperata (Jeps.) Jeps.	Synonym		WCSP
Quercus lobata f. insperata Jeps.	Synonym		WCSP
Quercus lobata var. rarita Jeps.	Synonym		WCSP
Quercus lobata subsp. turbinata (Jeps.) A.E.Murray	Synonym		WCSP
Quercus lobata var. turbinata Jeps.	Synonym		WCSP
Quercus lobata var. walteri Jeps.	Synonym		WCSP
Quercus lobata subsp. walteri (Jeps.) A.E.Murray	Synonym		WCSP
Quercus lobbii Ettingsh.	Accepted		WCSP
Quercus lobbii (Hook. f. & Thomson ex Wenz.) A. Camus	Synonym		TRO
Quercus lobulata Sol. ex Sm.	Synonym		WCSP
Quercus lodicosa O.E.Warb. & E.F.Warb.	Accepted		WCSP
Quercus loeseneri Trel.	Synonym		WCSP
Quercus longaeva Salisb. [Illegitimate]	Synonym		WCSP
Quercus longiaristata Gand. [Invalid]	Synonym		WCSP
Quercus longicaudata Hayata	Synonym		WCSP
Quercus longifolia Liebm. [Illegitimate]	Synonym		WCSP
Quercus longifolia Raf.	Synonym		WCSP
Quercus × longifolia K.Koch [Invalid]	Synonym		WCSP
Quercus longiglanda Torr. & Frém.	Synonym		WCSP
Quercus longiglandis Vuk.	Synonym		WCSP
Quercus longiglans Debeaux	Synonym		WCSP
Quercus longinux Hayata	Accepted		WCSP
Quercus longinux var. kanehirai (Nakai) J.C.Liao	Synonym		WCSP
Quercus longinux var. kuoi (J.C.Liao) C.F.Shen	Synonym		WCSP
Quercus longinux var. pseudomyrsinifolia (Hayata) J.C.Liao	Synonym		WCSP
Quercus longipedunculata Cariot & St.-Lag.	Synonym		WCSP
Quercus longipes Hu [Illegitimate]	Synonym		WCSP
Quercus longipes Steven	Synonym		WCSP
Quercus longipetiolata Schur	Synonym		WCSP
Quercus longispica (Hand.-Mazz.) A.Camus	Accepted		WCSP
Quercus longistyla Barnett	Synonym		WCSP
Quercus look Kotschy	Synonym		WCSP
Quercus lorentii Hochst. [Unplaced]	Unresolved		WCSP
Quercus lotungensis Chun & W.C.Ko	Synonym		WCSP
Quercus louettii Dippel	Synonym		WCSP
Quercus loureiroi Hance	Synonym		WCSP
Quercus × lowellii Sarg. [Invalid]	Synonym		WCSP
Quercus lowii King	Accepted		WCSP
Quercus lowilliamsii C.H.Mull.	Synonym		WCSP
Quercus × lucana Gavioli	Accepted		WCSP
Quercus lucida Roxb.	Synonym		WCSP
Quercus × lucombeana Sweet [Illegitimate]	Synonym		WCSP
Quercus × lucombeana (Loudon) A. Henry	Synonym		TRO
Quercus × lucombeana var. crispa (Loudon) A.Henry	Synonym		WCSP
Quercus × lucombeana var. diversifolia (G.Nicholson) A.Henry	Synonym		WCSP
Quercus × lucombeana var. fulhamensis (Loudon) A. Henry	Synonym		TRO
Quercus × lucombeana var. heterophylla (Loudon) A.Henry	Synonym		WCSP
Quercus lucorum Vuk.	Synonym		WCSP
Quercus ludens Gand. [Invalid]	Synonym		WCSP
Quercus × ludoviciana Sarg.	Accepted		WCSP
Quercus × ludoviciana var. microcarpa (Dippel) Rehder	Synonym		WCSP
Quercus × ludoviciana var. subfalcata (Trel.) Rehder	Synonym		WCSP
Quercus lugdunensis Gand. [Invalid]	Synonym		WCSP
Quercus lumbea Blume	Unresolved		TRO
Quercus lunglingensis Hu	Synonym		WCSP
Quercus lungmaiensis (Hu) C.C.Huang & Y.T.Chang	Accepted		WCSP
Quercus lusitanica Lam.	Accepted		WCSP
Quercus lusitanica subsp. alpestris (Boiss.) Nyman	Synonym		WCSP
Quercus lusitanica var. alpestris (Boiss.) Cout.	Synonym		WCSP
Quercus lusitanica subsp. alpestris (Boiss.) Mouill.	Synonym		TRO
Quercus lusitanica var. baetica Webb	Synonym		WCSP
Quercus lusitanica var. boissieri (Reut.) A.DC.	Synonym		WCSP
Quercus lusitanica f. brevicupulata Cout.	Synonym		WCSP
Quercus lusitanica subsp. broteroi (Cout.) Mouill.	Synonym		WCSP
Quercus lusitanica var. broteroi Cout.	Synonym		WCSP
Quercus lusitanica f. bullata Cout.	Synonym		WCSP
Quercus lusitanica subsp. cerrioides (Willk. & Costa) O.Schwarz	Synonym		WCSP
Quercus lusitanica f. ellipticifolia Cout.	Synonym		WCSP
Quercus lusitanica var. fagifolia Jahand. & Maire	Synonym		WCSP
Quercus lusitanica subsp. faginea (Lam.) A.DC.	Synonym		WCSP
Quercus lusitanica f. humilis Cout.	Synonym		WCSP
Quercus lusitanica var. humilis (Lam.) Elwes & A.Henry	Synonym		WCSP
Quercus lusitanica var. hybrida (Brot.) Nyman	Synonym		WCSP
Quercus lusitanica var. infectoria (G.Olivier) A.DC.	Synonym		WCSP
Quercus lusitanica subsp. infectoria (G.Olivier) Mouill.	Synonym		WCSP
Quercus lusitanica var. lanceolata C.Vicioso	Synonym		WCSP
Quercus lusitanica var. latifolia Boiss.	Synonym		WCSP
Quercus lusitanica var. leptocarpa A.DC.	Synonym		WCSP
Quercus lusitanica var. macrobalanus (Sennen ex A.Camus) C.Vicioso	Synonym		WCSP
Quercus lusitanica f. macrophylla Cout.	Synonym		WCSP
Quercus lusitanica var. maroccana Braun-Blanq. & Maire	Synonym		WCSP
Quercus lusitanica f. microcarpa Cout.	Synonym		WCSP
Quercus lusitanica f. microphylla Cout.	Synonym		WCSP
Quercus lusitanica subsp. mirbeckii (Durieu) Nyman	Synonym		WCSP
Quercus lusitanica var. mirbeckii (Durieu) A.DC.	Synonym		WCSP
Quercus lusitanica var. mirbeckii (Durieu) Cout.	Synonym		TRO
Quercus lusitanica f. obtusidens C.Vicioso	Synonym		WCSP
Quercus lusitanica subsp. orientalis A.DC.	Synonym		WCSP
Quercus lusitanica f. pedunculata Cout.	Synonym		WCSP
Quercus lusitanica var. pedunculata (Cout.) C.Vicioso	Synonym		WCSP
Quercus lusitanica var. petiolaris (Boiss. & Heldr.) A.DC.	Synonym		WCSP
Quercus lusitanica var. rhiphaea Pau & Font Quer	Synonym		WCSP
Quercus lusitanica f. salicifolia Cout.	Synonym		WCSP
Quercus lusitanica var. salicifolia (Cout.) C.Vicioso	Synonym		WCSP
Quercus lusitanica var. salzmanniana Webb	Synonym		WCSP
Quercus lusitanica var. stenoglandis C.Vicioso	Synonym		WCSP
Quercus lusitanica f. subinclusa (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus lusitanica var. subinclusa (Cout.) F.M.Vázquez, S.Ramos & S.García	Synonym		WCSP
Quercus lusitanica f. sublobata Cout.	Synonym		WCSP
Quercus lusitanica f. submembranacea Cout.	Synonym		WCSP
Quercus lusitanica var. submembranacea (Cout.) C.Vicioso	Synonym		WCSP
Quercus lusitanica f. subocculata Cout.	Synonym		WCSP
Quercus lusitanica var. subocculata (Cout.) C.Vicioso	Synonym		WCSP
Quercus lusitanica f. subpinnatifida Cout.	Synonym		WCSP
Quercus lusitanica f. subsuberosa Cout.	Synonym		WCSP
Quercus lusitanica var. syriaca (Kotschy) A.DC.	Synonym		WCSP
Quercus lusitanica var. valentina (Cav.) A.DC.	Synonym		WCSP
Quercus lusitanica subsp. valentina (Cav.) O.Schwarz	Synonym		WCSP
Quercus lusitanica subsp. veneris (A.Kern.) Holmboe	Synonym		WCSP
Quercus lusitanica f. vulgaris Cout. [Invalid]	Synonym		WCSP
Quercus lusitanicus var. alpestris (Boiss.) Cout.	Synonym		TRO
Quercus lutea Née	Synonym		WCSP
Quercus lutescens M.Martens & Galeotti	Synonym		WCSP
Quercus luzoniensis Merr.	Synonym		WCSP
Quercus lyauteyi Sennen [Unplaced]	Unresolved		WCSP
Quercus lycoperdon Skan	Synonym		WCSP
Quercus lyoniifolia W.C. Cheng	Synonym		TRO
Quercus lyrata Walter	Accepted		WCSP
Quercus lyrata Spreng.	Synonym		WCSP
Quercus lyrata f. viridis Walter	Synonym		TRO
Quercus mabesae Merr.	Synonym		WCSP
Quercus × maccormickii Carruth.	Accepted		WCSP
Quercus maccormickii Carruth.	Synonym		TRO
Quercus × maccormickomongolica T.B.Lee	Synonym		WCSP
Quercus × maccormickoserrata T.B.Lee	Accepted		WCSP
Quercus × macdanielii T.L.Green & W.J.Hess [Unplaced]	Unresolved		WCSP
Quercus × macdonaldii Greene & Kellogg	Accepted		WCSP
Quercus × macdonaldii var. elegantula Greene	Synonym		WCSP
Quercus macdougallii Martínez	Accepted		WCSP
Quercus macedonica A.DC.	Synonym		WCSP
Quercus mackiana Hook.	Synonym		WCSP
Quercus × macnabiana Sudw.	Accepted		WCSP
Quercus macranthera Fisch. & C.A.Mey. ex Hohen.	Accepted		WCSP
Quercus macranthera subsp. syspirensis (K.Koch) Menitsky	Accepted		WCSP
Quercus macranthera var. syspirensis (K.Koch) Wenz.	Synonym		WCSP
Quercus macrobalana Gand. [Invalid]	Synonym		WCSP
Quercus macrocalyx Hickel & A.Camus	Accepted		WCSP
Quercus macrocalyx var. tomentosa Metcalf	Synonym		WCSP
Quercus macrocarpa Endl. [Illegitimate]	Synonym		WCSP
Quercus macrocarpa Michx.	Accepted		WCSP
Quercus macrocarpa var. abbreviata A.DC.	Synonym		WCSP
Quercus macrocarpa var. alata Coleman	Synonym		WCSP
Quercus macrocarpa f. appressa Trel.	Synonym		WCSP
Quercus macrocarpa f. depressa (Nutt.) Trel.	Synonym		WCSP
Quercus macrocarpa var. depressa (Nutt.) Engelm.	Accepted		WCSP
Quercus macrocarpa var. macrocarpa	Accepted		WCSP
Quercus macrocarpa var. minor A.DC.	Synonym		WCSP
Quercus macrocarpa f. olivaeformis (F. Michx.) A. Gray	Synonym		TRO
Quercus macrocarpa f. oliviformis (F.Michx.) Trel.	Synonym		WCSP
Quercus macrocarpa var. oliviformis (F.Michx.) A.Gray	Synonym		WCSP
Quercus macrocarpa subsp. oliviformis (F.Michx.) A.Camus	Synonym		WCSP
Quercus macrolepis Kotschy	Synonym		WCSP
Quercus macrolepis subsp. ithaburensis (Decne.) Browicz	Synonym		WCSP
Quercus macrolepis var. ortholepis Zohary	Synonym		WCSP
Quercus macrolepis var. vallonea (Kotschy) Zohary	Synonym		WCSP
Quercus macroloba Gand. [Invalid]	Synonym		WCSP
Quercus macrophylla Miq. [Illegitimate]	Synonym		WCSP
Quercus macrophylla Née	Synonym		WCSP
Quercus macrophylla var. rugosa (Née) Wenz.	Synonym		WCSP
Quercus macrostipulata Guss. ex Parl.	Synonym		WCSP
Quercus macvaughii Spellenb.	Accepted		WCSP
Quercus madritensis Gand. [Invalid]	Synonym		WCSP
Quercus magistri Gand. [Invalid]	Synonym		WCSP
Quercus magnifica Dippel [Invalid]	Synonym		WCSP
Quercus magnifica Brandis	Synonym		WCSP
Quercus magnoliifolia Née	Accepted		WCSP
Quercus magnoliifolia var. lutea (Née) A.DC.	Synonym		WCSP
Quercus magnoliifolia var. macrophylla (Née) A.DC.	Synonym		WCSP
Quercus magnosquamata Djav.-Khoie	Synonym		WCSP
Quercus × mahonii E.J.Palmer	Unresolved		WCSP
Quercus maingayi Benth.	Synonym		WCSP
Quercus maingayi (Schottky) Burkill [Illegitimate]	Synonym		WCSP
Quercus mairei H.Lév.	Synonym		WCSP
Quercus × mairei A.Camus [Illegitimate]	Synonym		WCSP
Quercus × major Nakai	Accepted		WCSP
Quercus major (A.DC.) Trel.	Synonym		WCSP
Quercus malacophylla (Schur) Schur	Synonym		WCSP
Quercus malacophylla var. asterotricha Borbás	Synonym		WCSP
Quercus malacotricha A.Camus	Synonym		WCSP
Quercus malifolia Trel.	Synonym		WCSP
Quercus malinaltepecana Trel.	Synonym		WCSP
Quercus mandanensis Rydb.	Synonym		WCSP
Quercus × mannifera Lindl.	Accepted		WCSP
Quercus manzanillana Trel.	Accepted		WCSP
Quercus mappacea Korth.	Synonym		WCSP
Quercus mappacea var. hystrix (Korth.) Miq.	Synonym		WCSP
Quercus marcetii Pau	Synonym		WCSP
Quercus margarettiae (Ashe) Small	Accepted		WCSP
Quercus margarettiae f. intermedia Trel.	Synonym		WCSP
Quercus margarettiae var. paludosa (Sarg.) Ashe	Synonym		WCSP
Quercus margarettiae f. peltieri Trel.	Synonym		WCSP
Quercus margarettiae var. stolonifera (Sarg.) Ashe	Synonym		WCSP
Quercus marginata Blume	Synonym		WCSP
Quercus × marianica C.Vicioso	Synonym		WCSP
Quercus marilandica (L.) Münchh.	Accepted		WCSP
Quercus marilandica var. ashei Sudw.	Synonym		WCSP
Quercus marilandica f. cuneata (Wangenh.) Trel.	Synonym		WCSP
Quercus marilandica f. integrifolia (Marshall) Trel.	Synonym		WCSP
Quercus marilandica f. obovata (Bunge) Trel.	Synonym		TRO
Quercus marilandica f. quinqueloba (A.DC.) Trel.	Synonym		WCSP
Quercus marilandica f. truncata (King ex Hook. f.) Trel.	Synonym		TRO
Quercus maritima Gand. [Invalid]	Synonym		WCSP
Quercus maritima Raf.	Synonym		WCSP
Quercus maritima (Michx.) Willd.	Synonym		WCSP
Quercus marlipoensis Hu & W.C.Cheng	Accepted		WCSP
Quercus marmarophila Gand. [Invalid]	Synonym		WCSP
Quercus maroccana (Braun-Blanq. & Maire) Villar	Synonym		WCSP
Quercus marshii C.H.Mull.	Synonym		WCSP
Quercus martensiana Trel.	Synonym		WCSP
Quercus martensiana f. berlandieri Trel.	Synonym		WCSP
Quercus martensiana f. perplexans Trel.	Synonym		WCSP
Quercus martinezii C.H.Mull.	Accepted		WCSP
Quercus marylandica Du Roi	Synonym		WCSP
Quercus mas Thore	Synonym		WCSP
Quercus massana Ehrenb. ex Wenz.	Synonym		WCSP
Quercus matagalpana Trel.	Synonym		WCSP
Quercus matasii Siebold	Synonym		WCSP
Quercus maxima (Marshall) Ashe	Synonym		WCSP
Quercus mayor Trel.	Unresolved		TRO
Quercus media Wooton & Standl.	Synonym		WCSP
Quercus mediocris Gand. [Invalid]	Synonym		WCSP
Quercus mediterranea Gand. [Invalid]	Synonym		WCSP
Quercus × megaleia Laughlin	Accepted		WCSP
Quercus megalobos Gand. [Invalid]	Synonym		WCSP
Quercus megalocarpa A.Camus	Synonym		WCSP
Quercus megas Gand. [Invalid]	Synonym		WCSP
Quercus meihuashanensis (Q.F.Zheng) C.C.Huang	Accepted		WCSP
Quercus × mellichampii Trel.	Accepted		WCSP
Quercus mellifera Ocampo-Paus [Unplaced]	Unresolved		WCSP
Quercus memorabilis Gand. [Invalid]	Synonym		WCSP
Quercus menadoensis Koord.	Synonym		WCSP
Quercus menesiensis Kit.	Synonym		WCSP
Quercus meridionalis Liou	Synonym		WCSP
Quercus meridionalis Gand. [Invalid]	Synonym		WCSP
Quercus meridionalis var. chungnanensis Liou	Synonym		TRO
Quercus merkusii Endl.	Synonym		WCSP
Quercus merrillii Seemen	Accepted		WCSP
Quercus merrittii Merr.	Synonym		WCSP
Quercus mespilifolia Wall. ex A.DC.	Accepted		WCSP
Quercus mespilifolia Wallr.	Synonym		TRO
Quercus mespilifolia var. borneensis Heine	Synonym		WCSP
Quercus mespilifolia var. pubescens Barnett ex Smitinand & Phengklai	Synonym		WCSP
Quercus mespilifolioides A.Camus [Illegitimate]	Synonym		WCSP
Quercus messanensis Gand. [Invalid]	Synonym		WCSP
Quercus mestensis Bondev & Gancev	Synonym		WCSP
Quercus mesto Boiss.	Synonym		WCSP
Quercus × mestoides Reyn.	Synonym		WCSP
Quercus mexicana Bonpl.	Accepted		WCSP
Quercus mexicana Benth.	Synonym		WCSP
Quercus mexicana f. angustifolia (Bonpl.) Trel.	Synonym		WCSP
Quercus mexicana f. bonplandii Trel.	Synonym		WCSP
Quercus mexicana var. confertifolia (Bonpl.) Wenz.	Synonym		WCSP
Quercus mexicana f. confertifolia (Bonpl.) Trel.	Synonym		WCSP
Quercus mexicana f. glabrata (Liebm. ex Seem.) Trel.	Synonym		WCSP
Quercus mexicana var. glabrata Liebm. ex Seem.	Synonym		WCSP
Quercus mexicana f. lanulosa Trel.	Synonym		WCSP
Quercus mexicana f. perfertilis Trel.	Synonym		WCSP
Quercus michauxii Nutt.	Accepted		WCSP
Quercus microbalanos Boreau	Synonym		WCSP
Quercus microcalyx Korth.	Synonym		WCSP
Quercus microcarpa Lapeyr.	Synonym		WCSP
Quercus microcarpa Morogues [Illegitimate]	Synonym		WCSP
Quercus microcarpa Liebm. [Illegitimate]	Synonym		WCSP
Quercus microcarya Small	Synonym		WCSP
Quercus microchlamys Jord. [Unplaced]	Unresolved		WCSP
Quercus microlepis Vuk.	Synonym		WCSP
Quercus microlepis Trel. & C.H.Müll.	Synonym		WCSP
Quercus microphylla J.Thiébaut	Synonym		WCSP
Quercus microphylla Née	Accepted		WCSP
Quercus microphylla var. crispata A.DC.	Synonym		WCSP
Quercus microphylla var. uhdeana (Trel.) A.Camus	Synonym		WCSP
Quercus miguelitensis Trel.	Synonym		WCSP
Quercus milroyi Purkayastha	Synonym		WCSP
Quercus minaae Lojac.	Synonym		WCSP
Quercus minahassae Koord.	Synonym		WCSP
Quercus mindanaensis Elmer	Synonym		WCSP
Quercus minima (Sarg.) Small	Accepted		WCSP
Quercus minima f. pygmaea (Sarg.) Trel.	Synonym		WCSP
Quercus minima var. pygmaea (Sarg.) A.Camus	Synonym		WCSP
Quercus minima f. reaoneri Trel.	Synonym		WCSP
Quercus minor (Marshall) Sarg.	Synonym		WCSP
Quercus minor Gand. [Invalid]	Synonym		WCSP
Quercus minor Ridl.	Synonym		WCSP
Quercus minor var. margarettiae Ashe	Synonym		WCSP
Quercus miqueliana Scheff.	Synonym		WCSP
Quercus miquihuanensis Nixon & C.H.Müll.	Accepted		WCSP
Quercus mirbeckii Durieu	Synonym		WCSP
Quercus mirbeckii var. angustifolia Trab.	Synonym		WCSP
Quercus mirbeckii var. fagifolia Trab.	Synonym		WCSP
Quercus mirbeckii var. spinosa (Maire & Trab.) A.Camus	Synonym		WCSP
Quercus mirbeckii var. subpedunculata Trab.	Synonym		WCSP
Quercus mirbeckii var. tlemcenensis (A.DC.) Trab. & Batt.	Synonym		WCSP
Quercus mississippiensis Ashe	Synonym		WCSP
Quercus missouriensis Ashe	Synonym		WCSP
Quercus mitis Banks ex Lowe	Synonym		WCSP
Quercus mixta Reyn. [Illegitimate]	Synonym		WCSP
Quercus × mixta Vill. ex Colm.	Synonym		WCSP
Quercus mixta A.DC.	Synonym		WCSP
Quercus mixtecana Trel.	Synonym		WCSP
Quercus miyabei Kawak. ex Hayata	Synonym		WCSP
Quercus miyagii Koidz.	Accepted		WCSP
Quercus moderata Gand. [Invalid]	Synonym		WCSP
Quercus × moesiaca Borbás	Synonym		WCSP
Quercus mohriana Buckley ex Rydb.	Accepted		WCSP
Quercus molinae C.H.Mull.	Synonym		WCSP
Quercus × molleri A.Camus	Synonym		WCSP
Quercus mollis Raf.	Synonym		WCSP
Quercus mollis M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Quercus molucca L.	Synonym		WCSP
Quercus molucca Blanco	Synonym		WCSP
Quercus mongolica Fisch. ex Ledeb.	Accepted		WCSP
Quercus mongolica subsp. crispula (Blume) Menitsky	Accepted		WCSP
Quercus mongolica var. crispula (Blume) H.Ohashi	Synonym		WCSP
Quercus mongolica var. grosseserrata (Blume) Rehder & E.H.Wilson	Synonym		WCSP
Quercus mongolica var. kirinensis (Nakai) Kitag.	Synonym		WCSP
Quercus mongolica var. laciniata Nakai	Synonym		WCSP
Quercus mongolica var. liaotungensis (Koidz.) Nakai	Synonym		WCSP
Quercus mongolica f. longifolia (Nakai) Kitam. & T.Horik.	Synonym		WCSP
Quercus mongolica var. macrocarpa H.Wei Jen & L.M.Wang	Synonym		WCSP
Quercus mongolica f. macrocarpa (Nakai) Kitam. & T.Horik.	Synonym		WCSP
Quercus mongolica var. manshurica (Koidz.) Nakai	Synonym		WCSP
Quercus mongolica subsp. mongolica	Accepted		WCSP
Quercus mongolica var. tomentosa (Nakai) A.Camus	Synonym		WCSP
Quercus mongolica f. tomentosa Nakai	Synonym		WCSP
Quercus mongolica var. typica Nakai [Invalid]	Synonym		WCSP
Quercus × mongolicodentata Nakai	Accepted		WCSP
Quercus mongolika Fisch. ex Ledeb.	Unresolved		TRO
Quercus monimotricha (Hand.-Mazz.) Hand.-Mazz.	Accepted		WCSP
Quercus monnula Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus monorensis Simonk.	Synonym		WCSP
Quercus monserratensis C.H.Mull.	Synonym		WCSP
Quercus montana Willd.	Accepted		WCSP
Quercus monterreyensis Trel. & C.H.Müll.	Synonym		WCSP
Quercus monticola King [Illegitimate]	Synonym		WCSP
Quercus monticola Petz. & G.Kirchn.	Synonym		WCSP
Quercus montivaga Gand. [Invalid]	Synonym		WCSP
Quercus montserratensis (Svent. & Marcet) Svent. & Marcet	Synonym		WCSP
Quercus × montserratii C.Vicioso	Unresolved		WCSP
Quercus moravica Gand. [Invalid]	Synonym		WCSP
Quercus × moreha Trel. [Illegitimate]	Synonym		WCSP
Quercus × morehus Kellogg	Accepted		WCSP
Quercus moreliana Trel.	Synonym		WCSP
Quercus morii Hayata	Accepted		WCSP
Quercus × morisii Borzí	Accepted		WCSP
Quercus × morisii f. mixta Franco & Vasc.	Synonym		WCSP
Quercus motuoensis C.C.Huang	Accepted		WCSP
Quercus moulei Hance	Synonym		WCSP
Quercus × moultonensis Ashe	Accepted		WCSP
Quercus mucronata Willd.	Synonym		WCSP
Quercus muehlenbergii Engelm.	Accepted		WCSP
Quercus muehlenbergii f. alexanderi (Britton) Trel.	Synonym		WCSP
Quercus muehlenbergii var. alexanderi (Farw.) Farw.	Synonym		WCSP
Quercus muehlenbergii var. brayi (Small) Sarg.	Synonym		WCSP
Quercus muehlenbergii var. humilis (Marshall) Britton	Synonym		WCSP
Quercus muliensis Hu	Synonym		WCSP
Quercus mulleri Martínez	Accepted		WCSP
Quercus multinervis (W.C.Cheng & T.Hong) Govaerts	Accepted		WCSP
Quercus × munzii Tucker	Accepted		WCSP
Quercus murbeckii Sennen	Synonym		WCSP
Quercus muricata Palau ex Willk. & Lange	Synonym		WCSP
Quercus muricata Roxb.	Synonym		WCSP
Quercus × mutabilis E.J.Palmer & Steyerm.	Accepted		WCSP
Quercus muzaura Balsamaki	Synonym		WCSP
Quercus myricifolia Hu & W.C.Cheng	Synonym		WCSP
Quercus myrsinifolia Blume	Accepted		WCSP
Quercus myrsinifolia var. sacifolia Makino	Synonym		WCSP
Quercus myrsinifolia var. salicifolia Makino	Synonym		TRO
Quercus myrtifolia Willd.	Accepted		WCSP
Quercus myrtifolia f. ampla Trel.	Synonym		WCSP
Quercus naiadarum Hance	Synonym		WCSP
Quercus nana Willd.	Synonym		WCSP
Quercus nana (Marshall) Sarg. [Illegitimate]	Synonym		WCSP
Quercus nanchuanica C.C.Huang [Unplaced]	Unresolved		WCSP
Quercus nantoensis Hayata	Synonym		WCSP
Quercus nara A.DC.	Synonym		WCSP
Quercus nariakii Hayata	Synonym		WCSP
Quercus natalis Gand. [Invalid]	Synonym		WCSP
Quercus neaei Liebm.	Synonym		WCSP
Quercus nebulosa Gand. [Invalid]	Synonym		WCSP
Quercus nectandrifolia Liebm.	Synonym		WCSP
Quercus neglecta (Schottky) Koidz.	Synonym		WCSP
Quercus nemoralis Chun	Synonym		WCSP
Quercus neoashei Bush	Synonym		WCSP
Quercus neoglandulifera Nakai	Synonym		WCSP
Quercus neoglandulosa Nakai	Synonym		WCSP
Quercus × neoheuffelii Borbás	Synonym		WCSP
Quercus × neomairei A.Camus	Accepted		WCSP
Quercus × neomairei f. transmontana Franco & Vasc.	Synonym		WCSP
Quercus × neopalmeri Sudw.	Accepted		WCSP
Quercus neoplatyphylla A.Camus	Synonym		WCSP
Quercus neostuxbergii Koidz.	Synonym		WCSP
Quercus × neotharpii A.Camus	Accepted		WCSP
Quercus × neotharpii var. perdurandii A.Camus	Synonym		WCSP
Quercus × neotharpii f. perdurandii A.Camus	Synonym		WCSP
Quercus × neotharpii var. perstellata A.Camus	Synonym		WCSP
Quercus × neotharpii var. pervirginiana A.Camus	Synonym		WCSP
Quercus nepaulensis Desf.	Synonym		WCSP
Quercus neriifolia Seemen	Synonym		WCSP
Quercus nescensis Gand. [Invalid]	Synonym		WCSP
Quercus × nessiana E.J.Palmer [Unplaced]	Unresolved		WCSP
Quercus neumannii Lavallée [Unplaced]	Unresolved		WCSP
Quercus neurophylla Miq.	Synonym		WCSP
Quercus nicotrae Lojac.	Synonym		WCSP
Quercus nieuwenhuisii Seemen	Synonym		WCSP
Quercus nigra L.	Accepted		WCSP
Quercus nigra var. aquatica Lam.	Synonym		WCSP
Quercus nigra var. digitata Marshall	Synonym		WCSP
Quercus nigra var. falcata (Michx.) Kuntze	Synonym		WCSP
Quercus nigra f. hemisphaerica (W. Bartram ex Willd.) Trel.	Synonym		TRO
Quercus nigra var. heterophylla Aiton	Synonym		WCSP
Quercus nigra var. ilicifolia Kuntze	Synonym		WCSP
Quercus nigra var. integrifolia Marshall	Synonym		WCSP
Quercus nigra var. marilandica L.	Synonym		WCSP
Quercus nigra f. microcarya (Small) Trel.	Synonym		WCSP
Quercus nigra var. microcarya (Small) Trel.	Synonym		WCSP
Quercus nigra var. plenocarpa Trel.	Synonym		WCSP
Quercus nigra f. plenocarpa Trel.	Synonym		WCSP
Quercus nigra var. pumila Nutt.	Synonym		WCSP
Quercus nigra var. quinqueloba A.DC.	Synonym		WCSP
Quercus nigra var. saxicola Trel.	Synonym		WCSP
Quercus nigra f. saxicola Trel.	Synonym		WCSP
Quercus nigra var. tridentata A.DC.	Synonym		WCSP
Quercus nigra var. tridentifera Sarg.	Synonym		WCSP
Quercus nigra f. tridentifera (Sarg.) Trel.	Synonym		TRO
Quercus nigra var. triloba (Michx.) Kuntze	Synonym		WCSP
Quercus nigrescens Raf.	Synonym		WCSP
Quercus nigricans K.Koch	Synonym		WCSP
Quercus nigrirhachis Trel.	Synonym		WCSP
Quercus ningangensis (W.C.Cheng & Y.C.Hsu) C.C.Huang	Accepted		WCSP
Quercus ningqiangensis S.Z.Qu & W.H.Zhang	Accepted		WCSP
Quercus × nipponica Koidz.	Accepted		WCSP
Quercus nitens M.Martens & Galeotti	Synonym		WCSP
Quercus nitens var. major A.DC.	Synonym		WCSP
Quercus nitens var. ocoteifolia (Liebm.) A.DC.	Synonym		WCSP
Quercus nitens var. podocarpa A.DC.	Synonym		WCSP
Quercus nitens var. subintegra A.DC.	Synonym		WCSP
Quercus nitescens Rydb.	Synonym		WCSP
Quercus nitida M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Quercus nitida Blume [Illegitimate]	Synonym		WCSP
Quercus nitida Raf.	Synonym		WCSP
Quercus nitidissima Trel.	Synonym		WCSP
Quercus nitidula Gand. [Invalid]	Synonym		WCSP
Quercus nivea King	Accepted		WCSP
Quercus nixoniana S.Valencia & Lozada-Pérez	Accepted		WCSP
Quercus nobilis Mast.	Synonym		WCSP
Quercus nobilis K.Koch	Synonym		WCSP
Quercus nordafricana Villar	Synonym		WCSP
Quercus noultonensis Ashe	Unresolved		TRO
Quercus novagrenobii Lavallée [Unplaced]	Unresolved		WCSP
Quercus noviaureliani Lavallée [Unplaced]	Unresolved		WCSP
Quercus noviorleani Petz. & G.Kirchn.	Synonym		WCSP
Quercus novomexicana (A.DC.) Rydb.	Synonym		WCSP
Quercus novomexicana var. andrewsii Trel.	Synonym		WCSP
Quercus novomexicana var. nitescens (Rydb.) A.Camus	Synonym		WCSP
Quercus nubium Hand.-Mazz.	Synonym		WCSP
Quercus nudinervis Liebm.	Synonym		WCSP
Quercus × numantina Ceballos & C.Vicioso	Synonym		WCSP
Quercus × numidica Trab.	Synonym		WCSP
Quercus nuttallii E.J.Palmer	Synonym		WCSP
Quercus nuttallii var. cachensis E.J.Palmer	Synonym		WCSP
Quercus oajacana Liebm.	Synonym		WCSP
Quercus obconicus Z.K.Zhou [Illegitimate]	Synonym		WCSP
Quercus obliquinervia Merr.	Synonym		WCSP
Quercus oblita Gand. [Invalid]	Synonym		WCSP
Quercus oblonga K.Koch	Synonym		WCSP
Quercus oblongata D.Don	Accepted		WCSP
Quercus oblongata Gand. [Invalid]	Synonym		WCSP
Quercus oblongifolia R.Br.	Synonym		WCSP
Quercus oblongifolia Torr.	Accepted		WCSP
Quercus oblongifolia Coult.	Synonym		TRO
Quercus oblongifolia var. brevilobata Torr.	Synonym		WCSP
Quercus oblongifolia var. pallidinervis Trel.	Synonym		WCSP
Quercus obovalifolia E.Fourn. ex Trel.	Synonym		WCSP
Quercus obovata Bunge	Synonym		WCSP
Quercus obovatifolia C.C.Huang	Accepted		WCSP
Quercus obscura Seemen	Synonym		WCSP
Quercus obscura Trel. [Illegitimate]	Synonym		WCSP
Quercus obscura var. perpusilla Trel.	Synonym		WCSP
Quercus obscurirhachis Trel.	Synonym		WCSP
Quercus obtecta Poir. [Unplaced]	Unresolved		WCSP
Quercus obtenta Gand. [Invalid]	Synonym		WCSP
Quercus obtusa (Willd.) Ashe	Synonym		WCSP
Quercus obtusa Sarg.	Synonym		WCSP
Quercus obtusa (Willd.) Pursh	Synonym		TRO
Quercus obtusa var. obovatifolia (Sarg.) Ashe	Synonym		WCSP
Quercus obtusanthera Trel.	Accepted		WCSP
Quercus obtusata Bonpl.	Accepted		WCSP
Quercus obtusata var. hartwegii (Benth.) A.DC.	Synonym		WCSP
Quercus obtusata var. pandurata (Bonpl.) A.DC.	Synonym		WCSP
Quercus obtusifolia Rydb.	Synonym		WCSP
Quercus obtusifolia D.Don	Synonym		WCSP
Quercus obtusifolia var. breviloba Torr.	Synonym		WCSP
Quercus obtusiloba Michx.	Synonym		WCSP
Quercus obtusiloba var. depressa Nutt.	Synonym		WCSP
Quercus obtusiloba var. parvifolia Chapm.	Synonym		WCSP
Quercus obtusissima Gand. [Invalid]	Synonym		WCSP
Quercus obtusiuscula Gand. [Invalid]	Synonym		WCSP
Quercus occidentalis Gay	Synonym		WCSP
Quercus ochracea Morogues	Synonym		WCSP
Quercus ochracea (Schottky) Merr.	Synonym		WCSP
Quercus ochroesthes E.F.Warb.	Synonym		WCSP
Quercus ocoteifolia Liebm.	Accepted		WCSP
Quercus ocoteifolia f. confusa Trel.	Synonym		WCSP
Quercus ocoteifolia f. podocarpa (A.DC.) Trel.	Synonym		WCSP
Quercus ocreata Jungh. ex Miq.	Unresolved		WCSP
Quercus oelandica Gand. [Invalid]	Synonym		WCSP
Quercus oerstediana R.Br.ter	Synonym		WCSP
Quercus oglethorpensis W.H.Duncan	Accepted		WCSP
Quercus oidocarpa Korth.	Accepted		WCSP
Quercus oleoides Schltdl. & Cham.	Accepted		WCSP
Quercus oleoides var. australis Trel.	Synonym		WCSP
Quercus oleoides var. lutescens (M.Martens & Galeotti) A.Camus	Synonym		WCSP
Quercus oleoides f. lutescens (M.Martens & Galeotti) Trel.	Synonym		WCSP
Quercus oleoides var. quaterna C.H.Mull.	Synonym		WCSP
Quercus oleoides subsp. sagraeana (Nutt.) Borhidi	Synonym		WCSP
Quercus oleoides var. sagraeana (Nutt.) C.H.Mull.	Synonym		WCSP
Quercus oligodes Raf.	Synonym		WCSP
Quercus oligodonta Seemen ex Loes. [Illegitimate]	Synonym		WCSP
Quercus oligodonta Saporta	Synonym		TRO
Quercus oligoneura Korth.	Synonym		WCSP
Quercus oliviformis F.Michx.	Synonym		WCSP
Quercus olla Kurz	Synonym		WCSP
Quercus omalokos Korth.	Synonym		WCSP
Quercus omissa A.DC.	Synonym		WCSP
Quercus oocarpa Liebm.	Accepted		WCSP
Quercus oogyne Miq.	Synonym		WCSP
Quercus oophora Kotschy	Synonym		WCSP
Quercus opaca Trel.	Accepted		WCSP
Quercus ophiosquamata Djav.-Khoie	Synonym		WCSP
Quercus orbiculata Trel.	Synonym		WCSP
Quercus × organensis Trel.	Accepted		WCSP
Quercus orizabae Liebm.	Synonym		WCSP
Quercus orocantabrica Rivas Mart. & al.	Accepted		WCSP
Quercus ostryifolia Borbás	Synonym		WCSP
Quercus ovalifolia Bosc ex Pers.	Synonym		WCSP
Quercus ovalis Gand. [Invalid]	Synonym		WCSP
Quercus ovalis Blanco	Synonym		WCSP
Quercus ovandensis Matuda	Synonym		WCSP
Quercus ovicarpa Djav.-Khoie	Synonym		WCSP
Quercus × oviedoensis Sarg.	Accepted		WCSP
Quercus ovigera Jord. [Unplaced]	Unresolved		WCSP
Quercus oxyadenia Torr.	Synonym		WCSP
Quercus oxybalanos Gand. [Invalid]	Synonym		WCSP
Quercus oxycarpa Raddi	Synonym		WCSP
Quercus oxyloba (Franch.) Liou	Synonym		WCSP
Quercus oxyodon Miq.	Accepted		WCSP
Quercus oxyodon var. fargesii (Franch.) Rehder & E.H.Wilson	Synonym		WCSP
Quercus oxyphylla (E.H.Wilson) Hand.-Mazz.	Accepted		WCSP
Quercus oxyrhyncha Miq.	Synonym		WCSP
Quercus pablillensis C.H.Mull.	Synonym		WCSP
Quercus pacayana C.H.Mull.	Accepted		WCSP
Quercus pachucana Zav.-Cháv.	Accepted		WCSP
Quercus pachyloma Seemen	Accepted		WCSP
Quercus pachyloma var. mubianensis (Y.C.Hsu & H.Wei Jen) C.C.Huang	Synonym		WCSP
Quercus pachyphylla Kurz	Synonym		WCSP
Quercus pachyphylla var. fruticosa Watt ex King	Synonym		WCSP
Quercus pacifica Nixon & C.H.Müll.	Accepted		WCSP
Quercus pagoda Raf.	Accepted		WCSP
Quercus pagoda f. sinuata (Walter) Trel.	Synonym		TRO
Quercus pagoda x velutina	Unresolved		TRO
Quercus pagodifolia (Elliott) Ashe [Illegitimate]	Synonym		WCSP
Quercus paillotii Gand. [Invalid]	Synonym		WCSP
Quercus × palaeolithicola Trel.	Accepted		WCSP
Quercus palaestina Kotschy	Synonym		WCSP
Quercus paleacea Desf.	Synonym		WCSP
Quercus palensis Palassou	Synonym		WCSP
Quercus pallescens Trel.	Synonym		WCSP
Quercus pallida Blume	Synonym		WCSP
Quercus × pallida Heuff. [Illegitimate]	Synonym		WCSP
Quercus pallidifolia C.H.Mull.	Synonym		WCSP
Quercus palmata Vuk.	Synonym		WCSP
Quercus palmeri Engelm.	Accepted		WCSP
Quercus × palmeriana A.Camus	Accepted		WCSP
Quercus paludosa Petz. & G.Kirchn.	Synonym		WCSP
Quercus palustris Regel ex A.DC. [Invalid]	Synonym		WCSP
Quercus palustris Münchh.	Accepted		WCSP
Quercus palustris f. nuttallii (E.J.Palmer) C.H.Mull.	Synonym		WCSP
Quercus palustris x velutina	Unresolved		TRO
Quercus panamandinaea C.H.Mull.	Accepted		WCSP
Quercus pandurata Raf.	Synonym		WCSP
Quercus pandurata Bonpl.	Synonym		WCSP
Quercus pandurata var. hartwegii (Benth.) Wenz.	Synonym		WCSP
Quercus pandurata var. laeta (Liebm.) Wenz.	Synonym		WCSP
Quercus panduriformis Trel.	Synonym		WCSP
Quercus panduriformis f. colimensis Trel.	Synonym		WCSP
Quercus panduriformis f. rubrinervis Trel.	Synonym		WCSP
Quercus pannonica Endl.	Synonym		WCSP
Quercus pannosa Bosc ex A.DC. [Illegitimate]	Synonym		WCSP
Quercus pannosa Hand.-Mazz.	Accepted		WCSP
Quercus pannosifolia C.H.Mull.	Synonym		WCSP
Quercus paohanii Chun & Tsiang	Synonym		WCSP
Quercus × parkeri A.Camus	Accepted		WCSP
Quercus parmenteria Mutel	Synonym		WCSP
Quercus partita Gand. [Invalid]	Synonym		WCSP
Quercus parvifolia Hand.-Mazz. [Illegitimate]	Synonym		WCSP
Quercus parvifolia Benth. ex Ettingsh. [Unplaced]	Unresolved		WCSP
Quercus parviglans Trel.	Synonym		WCSP
Quercus parviglans f. polycarpa Trel.	Synonym		WCSP
Quercus parviglans f. tejadana Trel.	Synonym		WCSP
Quercus parvula Greene	Accepted		WCSP
Quercus parvula var. shrevei (C.H.Mull.) Nixon	Accepted		WCSP
Quercus × pastorensis C.H.Mull.	Accepted		WCSP
Quercus patelliformis Chun	Accepted		WCSP
Quercus patkoiensis A.Camus	Accepted		WCSP
Quercus patula Hansen	Synonym		WCSP
Quercus paucicrenata Gand. [Invalid]	Synonym		WCSP
Quercus paucidentata Newb. [Unplaced]	Unresolved		WCSP
Quercus paucidentata Franch. ex Nakai [Illegitimate]	Synonym		WCSP
Quercus paucilamellosa A.DC.	Synonym		WCSP
Quercus × paucilepis Uyeki	Synonym		WCSP
Quercus × pauciloba Rydb.	Synonym		WCSP
Quercus pauciloba subsp. confusa (Wooton & Standl.) A.Camus	Synonym		WCSP
Quercus pauciradiata Penas & al.	Accepted		WCSP
Quercus × paui C.Vicioso	Accepted		WCSP
Quercus paxtalensis C.H.Mull.	Synonym		WCSP
Quercus peckiana Riddell [Unplaced]	Unresolved		WCSP
Quercus pectinata K.Koch	Synonym		WCSP
Quercus pedemontana Colla	Synonym		WCSP
Quercus peduncularis Née	Accepted		WCSP
Quercus peduncularis subsp. callosa (Benth.) A.Camus	Synonym		WCSP
Quercus peduncularis subsp. hurteri (Trel.) A.Camus	Synonym		WCSP
Quercus peduncularis f. macrodonta (Trel.) A.Camus	Synonym		WCSP
Quercus peduncularis var. obovalis (Trel.) A.Camus	Synonym		WCSP
Quercus peduncularis subsp. pilicaulis (Trel.) A.Camus	Synonym		WCSP
Quercus peduncularis var. sublanosa (Trel. ex Yunck.) C.H.Mull.	Synonym		WCSP
Quercus pedunculata Hoffm.	Synonym		WCSP
Quercus pedunculata Ehrh.	Synonym		TRO
Quercus pedunculata var. acutifolia Bechst.	Synonym		WCSP
Quercus pedunculata f. angustifolia Cout.	Synonym		WCSP
Quercus pedunculata var. australis Heuff.	Synonym		WCSP
Quercus pedunculata var. borealis Heuff.	Synonym		WCSP
Quercus pedunculata var. brachybalana Schur	Synonym		TRO
Quercus pedunculata var. brachybalanus Schur	Synonym		WCSP
Quercus pedunculata f. brevipedunculata Cout.	Synonym		WCSP
Quercus pedunculata var. brevipes (Simonk.) Heuff.	Synonym		WCSP
Quercus pedunculata var. brevipetiolata Medw.	Synonym		WCSP
Quercus pedunculata subsp. brutia (Ten.) Nyman	Synonym		WCSP
Quercus pedunculata var. coriacea Bechst.	Synonym		WCSP
Quercus pedunculata var. crassiuscula Borbás	Synonym		WCSP
Quercus pedunculata var. csatoi (Borbás) Nyman	Unresolved		WCSP
Quercus pedunculata var. cylindrocarpa Borbás	Synonym		WCSP
Quercus pedunculata var. dulcis Bechst.	Synonym		WCSP
Quercus pedunculata f. erucifolia (Steven) Medw.	Synonym		WCSP
Quercus pedunculata f. ettingeri (Vuk.) Vuk.	Synonym		WCSP
Quercus pedunculata f. extensa Schur	Synonym		WCSP
Quercus pedunculata var. fastigiata (Lam.) Loudon	Synonym		WCSP
Quercus pedunculata var. glaberrima Schur	Synonym		WCSP
Quercus pedunculata f. glabrecens Medw.	Synonym		WCSP
Quercus pedunculata var. globulata Schur	Synonym		WCSP
Quercus pedunculata var. haas (Kotschy) Boiss.	Synonym		WCSP
Quercus pedunculata var. leptobalanos Bolle	Synonym		WCSP
Quercus pedunculata f. longipedunculata Cout.	Synonym		WCSP
Quercus pedunculata var. longipetiolata Medw.	Synonym		WCSP
Quercus pedunculata f. longipetiolata Medw.	Synonym		WCSP
Quercus pedunculata var. macrobalana Schur	Synonym		TRO
Quercus pedunculata var. macrobalanus Schur	Synonym		WCSP
Quercus pedunculata var. malacophylla Schur	Synonym		WCSP
Quercus pedunculata var. megabalana Schur	Synonym		WCSP
Quercus pedunculata var. microbalanus Heuff.	Synonym		WCSP
Quercus pedunculata var. opaca Schur	Synonym		WCSP
Quercus pedunculata var. pachycarpa Debeaux	Synonym		WCSP
Quercus pedunculata f. patellulata Vuk.	Synonym		WCSP
Quercus pedunculata subsp. pedunculiflora (K.Koch) Maire & Petitm.	Synonym		WCSP
Quercus pedunculata var. pedunculiflora (K.Koch) Stoj. & Stef.	Synonym		WCSP
Quercus pedunculata var. pilosa Schur	Synonym		WCSP
Quercus pedunculata subsp. pilosa (Schur) Nyman	Synonym		WCSP
Quercus pedunculata var. pinnatipartita Boiss.	Synonym		WCSP
Quercus pedunculata var. pseudopedunculata (Vuk.) Nyman	Synonym		WCSP
Quercus pedunculata var. pseudosessilis Schur	Synonym		WCSP
Quercus pedunculata var. pubescens Loudon	Synonym		WCSP
Quercus pedunculata var. rosacea (Bechst.) Bluff & Fingerh.	Synonym		WCSP
Quercus pedunculata var. sphaerobalanus Schur	Synonym		WCSP
Quercus pedunculata var. stenocarpa Vuk.	Synonym		WCSP
Quercus pedunculata var. subglobosa Schur	Synonym		WCSP
Quercus pedunculata f. subocculata Cout.	Synonym		WCSP
Quercus pedunculata f. tardissima Simonk.	Synonym		WCSP
Quercus pedunculata var. tricuspidata Janka	Synonym		WCSP
Quercus pedunculata var. tubulosa Schur	Synonym		WCSP
Quercus pedunculiflora K.Koch	Synonym		WCSP
Quercus pedunculiflora var. erucifolia (Steven) Gagnidze	Synonym		WCSP
Quercus pedunculiflora f. glaucescens Medw.	Synonym		WCSP
Quercus pedunculiflora var. pinnatipartita (Boiss.) A.Camus	Synonym		WCSP
Quercus pedunculiflora var. virescens K.Koch	Synonym		WCSP
Quercus penangensis Miq.	Synonym		WCSP
Quercus pendula (Neill) Lodd.	Synonym		WCSP
Quercus pendulina Kit.	Synonym		WCSP
Quercus pendulina var. filipendula (Schloss. & Vuk.) Nyman	Synonym		WCSP
Quercus peninsularis Trel.	Accepted		WCSP
Quercus pennivenia Trel.	Synonym		WCSP
Quercus pentacycla Y.T.Chang	Accepted		WCSP
Quercus peradifolia E.F.Warb.	Synonym		WCSP
Quercus peraffinis Gand.	Synonym		WCSP
Quercus percoriacea Soepadmo	Accepted		WCSP
Quercus perpallida Trel.	Accepted		WCSP
Quercus persica Jaub. & Spach	Synonym		WCSP
Quercus persica var. belangeri A.DC.	Synonym		WCSP
Quercus persica var. longicupulata Djav.-Khoie	Synonym		WCSP
Quercus persica var. ovoidea Djav.-Khoie	Synonym		WCSP
Quercus persica var. retrosquamata Djav.-Khoie	Synonym		WCSP
Quercus persiifolia Liebm.	Synonym		WCSP
Quercus persiifolia var. achoteana Trel. ex Yunck.	Synonym		WCSP
Quercus persiifolia f. microcarpa Trel.	Synonym		WCSP
Quercus pertessellata Trel. [Unplaced]	Unresolved		WCSP
Quercus petelotii A.Camus	Accepted		WCSP
Quercus petiolaris Benth.	Synonym		WCSP
Quercus petiolaris Boiss. & Heldr. [Illegitimate]	Synonym		WCSP
Quercus petiolata (Trel.) A.E.Murray [Illegitimate]	Synonym		WCSP
Quercus petiolata Schur	Synonym		WCSP
Quercus petraea (Matt.) Liebl.	Accepted		WCSP
Quercus petraea f. angulata (Vuk.) C.Vicioso	Synonym		WCSP
Quercus petraea subsp. austrotyrrhenica Brullo, Guarino & Siracusa	Synonym		WCSP
Quercus petraea subsp. dshorochensis (K.Koch) Menitsky	Synonym		WCSP
Quercus petraea f. emarginata C.Vicioso	Synonym		WCSP
Quercus petraea f. globosa (Borbás) C.Vicioso	Synonym		WCSP
Quercus petraea f. grandedentata Brujic	Synonym		WCSP
Quercus petraea f. heuffelii Mátyás	Synonym		WCSP
Quercus petraea subsp. huguetiana Franco & G.López	Accepted		WCSP
Quercus petraea subsp. iberica (Steven ex M.Bieb.) Krassiln.	Accepted		WCSP
Quercus petraea var. laciniata (Lam.) C.Vicioso	Synonym		WCSP
Quercus petraea f. lobulosa (O.Schwarz) C.Vicioso	Synonym		WCSP
Quercus petraea var. macrocarpa Vuk. ex Asch. & Graebn.	Synonym		WCSP
Quercus petraea f. macrocarpa (Vuk. ex Asch. & Graebn.) Soó	Synonym		WCSP
Quercus petraea subsp. mas (Thore) C.Vicioso	Synonym		WCSP
Quercus petraea subsp. medwediewii (A.Camus) Menitsky	Synonym		WCSP
Quercus petraea var. mespilifolia (Wallr.) Geerinck	Synonym		WCSP
Quercus petraea f. microbalanos Soó	Synonym		WCSP
Quercus petraea f. microcarpa Cristur.	Synonym		WCSP
Quercus petraea f. minima Cristur.	Synonym		WCSP
Quercus petraea subsp. petraea	Accepted		WCSP
Quercus petraea f. pinnata (C.K.Schneid.) C.Vicioso	Synonym		WCSP
Quercus petraea subsp. pinnatiloba (K.Koch) Menitsky	Accepted		WCSP
Quercus petraea f. platyphylla (Lam.) O.Schwarz	Synonym		WCSP
Quercus petraea var. platyphylla (Lam.) C.Vicioso	Synonym		WCSP
Quercus petraea f. salicifolia Brujic	Synonym		WCSP
Quercus petropolitana Gand. [Invalid]	Synonym		WCSP
Quercus pfaeffingeri Kotschy	Synonym		WCSP
Quercus pfaeffingeri var. cypria Kotschy	Synonym		WCSP
Quercus phanera Chun	Accepted		WCSP
Quercus phellodrys Link ex Steud. [Unplaced]	Unresolved		WCSP
Quercus phellos L.	Accepted		WCSP
Quercus phellos var. arenaria Chapm.	Synonym		WCSP
Quercus phellos var. brevifolia Lam.	Synonym		WCSP
Quercus phellos var. humilis Pursh	Synonym		WCSP
Quercus phellos var. imbricaria (Michx.) A.DC.	Synonym		WCSP
Quercus phellos var. imbricaria (Michx.) Spach	Synonym		TRO
Quercus phellos f. intonsa Fernald	Synonym		WCSP
Quercus phellos var. latifolia Marshall	Synonym		WCSP
Quercus phellos var. laurifolia (Michx.) Chapm.	Synonym		WCSP
Quercus phellos var. maritima Michx.	Synonym		WCSP
Quercus phellos var. microcarpa Dippel	Synonym		WCSP
Quercus phellos var. myrtifolia (Willd.) Wenz.	Synonym		WCSP
Quercus phellos var. obtusifolia Lam.	Synonym		WCSP
Quercus phellos var. pumila (Walter) Michx.	Synonym		WCSP
Quercus phellos var. sempervirens Marshall	Synonym		WCSP
Quercus phellos var. sericea Aiton	Synonym		WCSP
Quercus phellos var. subimbricaria A.DC.	Synonym		WCSP
Quercus phellos var. sylvatica Michx.	Synonym		WCSP
Quercus phellos var. viridis Aiton	Synonym		WCSP
Quercus philippinensis A.DC.	Synonym		WCSP
Quercus phillyreoides A.Gray	Accepted		WCSP
Quercus phillyreoides var. crispa Matsum.	Synonym		WCSP
Quercus phillyreoides f. crispa (Matsum.) Kitam. & T.Horik.	Synonym		WCSP
Quercus phillyreoides subsp. fokienensis (Nakai) Menitsky	Synonym		WCSP
Quercus phillyreoides var. sinensis Schottky	Synonym		WCSP
Quercus phillyreoides var. subcrispa Makino	Synonym		WCSP
Quercus phillyreoides var. wrightii (Nakai) Menitsky	Synonym		WCSP
Quercus phillyreoides f. wrightii (Nakai) Kitam. & T.Horik.	Synonym		WCSP
Quercus phthiotica Gand. [Invalid]	Synonym		WCSP
Quercus phullata Buch.-Ham. ex D.Don	Synonym		WCSP
Quercus pichleri Beck [Invalid]	Synonym		WCSP
Quercus picta Hand.-Mazz.	Synonym		WCSP
Quercus pilarius Trel.	Synonym		WCSP
Quercus pileata Hu & W.C.Cheng	Synonym		WCSP
Quercus pilgeriana Seemen	Synonym		WCSP
Quercus pilicaulis Trel.	Synonym		WCSP
Quercus pilicaulis f. armata Trel.	Synonym		WCSP
Quercus pilicaulis f. concava C.H.Mull.	Synonym		WCSP
Quercus pilicaulis f. elongata C.H.Mull.	Synonym		WCSP
Quercus pilicaulis f. exserta C.H.Mull.	Synonym		WCSP
Quercus pilicaulis f. hurteri Trel.	Synonym		WCSP
Quercus pilicaulis var. hurteri (Trel.) A.Camus	Synonym		WCSP
Quercus pilicaulis f. macrodonta Trel.	Synonym		WCSP
Quercus pilicaulis f. obovalis Trel.	Synonym		WCSP
Quercus pillyraeoides A.Gray	Synonym		WCSP
Quercus pilosa (Schur) Simonk.	Synonym		WCSP
Quercus pilosula Gand. [Invalid]	Synonym		WCSP
Quercus pinalensis Trel.	Synonym		WCSP
Quercus pinanga Blume	Synonym		WCSP
Quercus pinatubensis Elmer	Synonym		WCSP
Quercus pinbianense (Y.C. Hsu & H.Wei Jen) C.C. Huang & Y.T. Chang	Synonym		TRO
Quercus pinbianensis (Y.C.Hsu & H.Wei Jen) C.C.Huang & Y.T.Chang	Accepted		WCSP
Quercus × pinetorum Moldenke	Synonym		WCSP
Quercus pinfaensis H.Lév.	Synonym		WCSP
Quercus pinnatifida C.C.Gmel.	Synonym		WCSP
Quercus pinnatifida Franch. & Sav.	Synonym		WCSP
Quercus pinnatifida var. dissecta Vuk.	Synonym		WCSP
Quercus pinnatifida var. parviglandis Vuk.	Synonym		WCSP
Quercus pinnatiloba K.Koch	Synonym		WCSP
Quercus pinnatipartita (Boiss.) O.Schwarz	Synonym		WCSP
Quercus pinnativenulosa C.H.Mull.	Accepted		WCSP
Quercus pisiformis Small [Unplaced]	Unresolved		WCSP
Quercus pittieri Wesm. ex Seemen [Illegitimate]	Synonym		WCSP
Quercus placentaria Blume	Synonym		WCSP
Quercus placentaria Wall. [Invalid]	Synonym		WCSP
Quercus planipocula Trel.	Accepted		WCSP
Quercus planipocula f. subsessilifolia Trel.	Synonym		WCSP
Quercus platanoides (Castigl.) Sudw.	Synonym		WCSP
Quercus platycalyx Hickel & A.Camus	Accepted		WCSP
Quercus platycarpa Blume	Synonym		WCSP
Quercus platychlamys Gand. [Invalid]	Synonym		WCSP
Quercus platyphylla E.F.Warb. [Illegitimate]	Synonym		WCSP
Quercus platyphylla Morogues [Unplaced]	Unresolved		WCSP
Quercus plebeia Gand. [Invalid]	Synonym		WCSP
Quercus plumbea Blume	Synonym		WCSP
Quercus pluriceps Gand. [Invalid]	Synonym		WCSP
Quercus poculifer Trel.	Synonym		WCSP
Quercus poculiformis Seemen	Synonym		WCSP
Quercus × podophylla Trel.	Accepted		WCSP
Quercus poilanei Hickel & A.Camus	Accepted		WCSP
Quercus polyantha Lindl. ex Wall. [Invalid]	Synonym		WCSP
Quercus polycarpa Schur	Synonym		WCSP
Quercus polycarpa f. crassa Mátyás	Synonym		WCSP
Quercus polycarpa var. welandii (Heuff.) Soó	Synonym		WCSP
Quercus × polycarpoides Georgescu & Ciobanu [Unplaced]	Unresolved		WCSP
Quercus polycarpos Kotschy ex A.DC.	Synonym		WCSP
Quercus polyloba Gand. [Invalid]	Synonym		WCSP
Quercus polymorpha Schltdl. & Cham.	Accepted		WCSP
Quercus polymorpha f. angustifolia C.H.Mull.	Synonym		WCSP
Quercus polynervata Djav.-Khoie	Synonym		WCSP
Quercus polyneura Miq.	Synonym		WCSP
Quercus polystachya Wall. ex A.DC.	Synonym		WCSP
Quercus × pongtungensis Uyeki	Accepted		WCSP
Quercus pontica K.Koch	Accepted		WCSP
Quercus porphyrogenita Trel.	Synonym		WCSP
Quercus porriginosa Trel.	Synonym		WCSP
Quercus × porteri Trel. [Invalid]	Synonym		WCSP
Quercus potosina Trel.	Accepted		WCSP
Quercus potosina f. aperta Trel.	Synonym		WCSP
Quercus potosina f. exilis Trel.	Synonym		WCSP
Quercus praeco Trel.	Accepted		WCSP
Quercus prainiana Trel. [Illegitimate]	Synonym		WCSP
Quercus prainiana H.Lév.	Synonym		WCSP
Quercus prasina Bosc ex Endl.	Synonym		WCSP
Quercus prasina Pers.	Synonym		WCSP
Quercus pricei Sudw.	Synonym		WCSP
Quercus pringlei Seemen ex Loes.	Accepted		WCSP
Quercus pringlei f. dentata C.H.Mull.	Synonym		WCSP
Quercus prinodes Voigt	Synonym		WCSP
Quercus prinoides Willd.	Accepted		WCSP
Quercus prinoides Raf. [Illegitimate]	Synonym		WCSP
Quercus prinoides var. acuminata (Michx.) Gleason	Synonym		WCSP
Quercus prinoides f. alexanderi (Britton) Steyerm.	Synonym		WCSP
Quercus prinoides var. rufescens Rehder	Synonym		WCSP
Quercus prinoides f. rufescens (Rehder) House	Synonym		WCSP
Quercus prinopsis Trel.	Synonym		WCSP
Quercus prinus L.	Synonym		WCSP
Quercus prinus var. acuminata Michx.	Synonym		WCSP
Quercus prinus var. bicolor (Willd.) Spach	Synonym		WCSP
Quercus prinus var. chincapin F.Michx.	Synonym		WCSP
Quercus prinus var. discolor F.Michx.	Synonym		WCSP
Quercus prinus var. humilis Marshall	Synonym		WCSP
Quercus prinus var. lata Aiton	Synonym		WCSP
Quercus prinus var. michauxii (Nutt.) Chapm.	Synonym		WCSP
Quercus prinus var. monticola Michx.	Synonym		WCSP
Quercus prinus var. oblongata Aiton	Synonym		WCSP
Quercus prinus var. palustris Michx.	Synonym		WCSP
Quercus prinus var. platanoides Castigl.	Synonym		WCSP
Quercus prinus var. platanoides Lam.	Synonym		TRO
Quercus prinus var. pumila Michx.	Synonym		WCSP
Quercus prinus var. tomentosa Michx.	Synonym		WCSP
Quercus prinus f. viridis Trel.	Synonym		WCSP
Quercus productipes Trel.	Synonym		WCSP
Quercus provincialis Gand. [Invalid]	Synonym		WCSP
Quercus proximellla Gand. [Invalid]	Synonym		WCSP
Quercus pruinosa Blume	Synonym		WCSP
Quercus pruinosa Morales ex A.DC.	Synonym		WCSP
Quercus pruinosa var. alpina Jungh.	Synonym		WCSP
Quercus × pseudinfectoria A.Camus	Accepted		WCSP
Quercus pseudoaegilopsis Petz. & G.Kirchn.	Synonym		WCSP
Quercus pseudoaegilopsis var. pendula (Neill) Petz. & G.Kirchn.	Synonym		WCSP
Quercus pseudoannulata Blume	Synonym		WCSP
Quercus × pseudoaustriaca Lojac.	Synonym		WCSP
Quercus pseudocerris Boiss.	Synonym		WCSP
Quercus × pseudocerris Lojac.	Synonym		WCSP
Quercus × pseudocerris Rouy [Unplaced]	Unresolved		WCSP
Quercus pseudococcifera Desf.	Synonym		WCSP
Quercus pseudococcifera subsp. auzandrii (Gren. & Godr.) Nyman	Synonym		WCSP
Quercus pseudocornea A.Chev. [Unplaced]	Unresolved		WCSP
Quercus pseudocrispata A.Camus	Synonym		WCSP
Quercus × pseudodalechampii Cretz.	Unresolved		WCSP
Quercus pseudodentata Uyeki	Synonym		WCSP
Quercus × pseudofaginea A.Camus	Synonym		WCSP
Quercus pseudoglauca H.Lév. ex Nakai	Synonym		WCSP
Quercus pseudoilex Chatin	Synonym		WCSP
Quercus × pseudomargarettiae Trel.	Synonym		WCSP
Quercus pseudomolucca Morales ex A.DC.	Synonym		WCSP
Quercus pseudomolucca Blume	Synonym		WCSP
Quercus pseudomolucca var. angustata (Blume) Blume	Synonym		WCSP
Quercus pseudomolucca var. crassinervia (Blume) Miq.	Synonym		WCSP
Quercus pseudomolucca var. incrassata Blume	Synonym		WCSP
Quercus pseudomolucca var. korthalsii (Blume) Wenz.	Synonym		WCSP
Quercus pseudomolucca var. pallida (Blume) Miq.	Synonym		WCSP
Quercus pseudomolucca var. papuana Warb.	Synonym		WCSP
Quercus pseudomolucca var. robusta Blume	Synonym		WCSP
Quercus pseudomolucca var. sundaica (Blume) Wenz.	Synonym		WCSP
Quercus × pseudomorisii A.Camus	Synonym		WCSP
Quercus pseudomyrsinifolia Hayata	Synonym		WCSP
Quercus pseudopedunculata Vuk.	Synonym		WCSP
Quercus pseudorigida Kotschy ex A.Camus	Synonym		WCSP
Quercus pseudoschorochensis Boiss.	Synonym		WCSP
Quercus pseudosemecarpifolia A.Camus	Accepted		WCSP
Quercus pseudoserrata Liou	Synonym		WCSP
Quercus pseudosessilis Schur	Synonym		WCSP
Quercus × pseudosuber Santi	Synonym		WCSP
Quercus × pseudosuber var. aegylopifolia (Pers.) A. DC.	Synonym		TRO
Quercus × pseudosuber var. castaneifolia Wenz.	Synonym		WCSP
Quercus × pseudosuber var. fontanesii (Guss.) Nyman	Synonym		WCSP
Quercus × pseudosuber var. fontanesii (Guss.) Wenz.	Synonym		TRO
Quercus × pseudosuber var. gibraltarica A.DC.	Synonym		WCSP
Quercus × pseudosuber var. gussonei A.DC.	Synonym		WCSP
Quercus × pseudosuber var. tlemcenensis A.DC.	Synonym		WCSP
Quercus pseudotscharakensis Kotschy ex A.DC.	Synonym		WCSP
Quercus × pseudoturneri C.K.Schneid.	Synonym		WCSP
Quercus pseudoverticillata Soepadmo	Accepted		WCSP
Quercus pubens Kotschy ex Wenz. [Unplaced]	Unresolved		WCSP
Quercus puberula O.Schwarz	Synonym		WCSP
Quercus pubescens Willd.	Accepted		WCSP
Quercus pubescens subsp. anatolica O.Schwarz	Synonym		WCSP
Quercus pubescens f. brandisii Vuk.	Synonym		WCSP
Quercus pubescens var. congesta (C.Presl) Strobl	Synonym		WCSP
Quercus pubescens subsp. crispata (Steven) Greuter & Burdet	Accepted		WCSP
Quercus pubescens f. crispata (Steven) Medw.	Synonym		WCSP
Quercus pubescens var. erythrolepis Vuk.	Synonym		WCSP
Quercus pubescens var. globulosa Vuk.	Synonym		WCSP
Quercus pubescens var. glomerata (Lam.) Mouill.	Synonym		WCSP
Quercus pubescens var. iberica (Steven ex M.Bieb.) Wenz.	Synonym		WCSP
Quercus pubescens var. incisa Martrin-Donos	Synonym		WCSP
Quercus pubescens var. intermedia (Berang.) Vis.	Synonym		WCSP
Quercus pubescens var. lacera Vuk.	Synonym		WCSP
Quercus pubescens subsp. lanuginosa (Lam.) O.Schwarz	Synonym		WCSP
Quercus pubescens var. oxycarpa (Raddi) Vuk.	Synonym		WCSP
Quercus pubescens subsp. palensis (Palassou) O.Schwarz	Synonym		WCSP
Quercus pubescens var. pendula (Neill) H.Jaeger & Beissn.	Synonym		WCSP
Quercus pubescens subsp. pubescens	Accepted		WCSP
Quercus pubescens f. rostrata Vuk.	Synonym		WCSP
Quercus pubescens f. schulzei Vuk.	Synonym		WCSP
Quercus pubescens var. streimii (Heuff.) Heuff.	Synonym		WCSP
Quercus pubescens subsp. subpyrenaica (Villar) Rivas Mart. & C.Saenz	Accepted		WCSP
Quercus pubescens subsp. subpyrenaica (Villar) Govaerts	Synonym		TRO
Quercus pubescens var. syspirensis (K.Koch) Medw.	Synonym		WCSP
Quercus pubescens var. tortulosa Vuk.	Synonym		WCSP
Quercus pubescens subsp. undulata O.Schwarz	Synonym		WCSP
Quercus pubinervis M.Martens & Galeotti	Synonym		WCSP
Quercus pulchella Gand. [Invalid]	Synonym		WCSP
Quercus pulchella Bonpl.	Synonym		WCSP
Quercus pulchra King	Synonym		WCSP
Quercus pulverulenta K.Koch	Synonym		WCSP
Quercus pumila Castigl. [Unplaced]	Unresolved		WCSP
Quercus pumila Sudw. [Illegitimate]	Synonym		WCSP
Quercus pumila Michx. [Illegitimate]	Synonym		WCSP
Quercus pumila Walter	Accepted		WCSP
Quercus pumila var. sericea (Aiton) Engelm.	Synonym		WCSP
Quercus pungens Gand. [Invalid]	Synonym		WCSP
Quercus pungens Liebm.	Accepted		WCSP
Quercus pungens var. vaseyana (Buckley) C.H.Mull.	Synonym		WCSP
Quercus pungens subsp. vaseyana (Buckley) A.E.Murray	Synonym		WCSP
Quercus purpurea Lodd. ex Loudon	Synonym		WCSP
Quercus purpusii Trel.	Synonym		WCSP
Quercus purulhana Trel.	Accepted		WCSP
Quercus pusilla Vuk.	Synonym		WCSP
Quercus pygmaea (Sarg.) Ashe	Synonym		WCSP
Quercus pyrami Kotschy	Synonym		WCSP
Quercus pyramidalis C.C.Gmel.	Synonym		WCSP
Quercus pyrenaica Willd.	Accepted		WCSP
Quercus pyrenaica Steven [Illegitimate]	Synonym		WCSP
Quercus pyrenaica f. brachyloba O.Schwarz	Synonym		WCSP
Quercus pyrenaica f. expansa (C.Vicioso) F.M.Vázquez	Synonym		WCSP
Quercus pyrenaica var. expansa C.Vicioso	Synonym		WCSP
Quercus pyrenaica f. laciniata O.Schwarz	Synonym		WCSP
Quercus pyrenaica var. macrophyllos K.Koch	Synonym		WCSP
Quercus pyrenaica f. normalis (Rouy) F.M.Vázquez	Synonym		WCSP
Quercus pyrenaica f. pinnatifida O.Schwarz	Synonym		WCSP
Quercus pyrenaica f. pinnatipartita C.Vicioso	Synonym		WCSP
Quercus pyrenaica f. sphaerocarpa (Rouy) F.M.Vázquez	Synonym		WCSP
Quercus pyrenaica f. stenocarpa (Rouy) F.M.Vázquez	Synonym		WCSP
Quercus pyrifolia Blume	Synonym		WCSP
Quercus pyriformis Seemen	Synonym		WCSP
Quercus quadrans Gand. [Invalid]	Synonym		WCSP
Quercus quaerens Gand. [Invalid]	Synonym		WCSP
Quercus quaesita Gand. [Invalid]	Synonym		WCSP
Quercus quangtriensis Hickel & A.Camus	Accepted		WCSP
Quercus quelpaertensis H.Lév. ex Nakai	Synonym		WCSP
Quercus quexigo Lavallée [Unplaced]	Unresolved		WCSP
Quercus quexigo Cook ex Willk. & Lange	Synonym		WCSP
Quercus quinqueloba Engelm.	Synonym		WCSP
Quercus racemosa Lam.	Synonym		WCSP
Quercus racemosa Jack [Illegitimate]	Synonym		WCSP
Quercus radiata Trel.	Accepted		WCSP
Quercus radlkoferiana Trel.	Synonym		WCSP
Quercus ragnal Lodd. ex Loudon	Synonym		WCSP
Quercus raineri Berenger ex Pritz. [Unplaced]	Unresolved		WCSP
Quercus rajah Hance	Synonym		WCSP
Quercus ramosa Dippel	Synonym		WCSP
Quercus ramsbottomii A.Camus	Accepted		WCSP
Quercus randaiensis Hayata	Synonym		WCSP
Quercus ransomii Kellogg	Synonym		WCSP
Quercus rapurahuensis Pittier ex Seem. [Invalid]	Synonym		WCSP
Quercus rapurahuensis Pittier ex Trel.	Synonym		WCSP
Quercus rassa Miq.	Synonym		WCSP
Quercus rassa var. lanuginosa Ridl.	Synonym		WCSP
Quercus rassa var. montana King ex Hook.f.	Synonym		WCSP
Quercus ravenscroftiana A.Murray [Unplaced]	Unresolved		WCSP
Quercus raynal K.Koch	Synonym		WCSP
Quercus × rechingeri O.Schwarz [Unplaced]	Unresolved		WCSP
Quercus × rechinii (Rouy) Hy	Synonym		WCSP
Quercus recondita Gand. [Invalid]	Synonym		WCSP
Quercus recurvans Kotschy ex A.DC.	Synonym		WCSP
Quercus recurvisquamosa St.-Lag.	Synonym		WCSP
Quercus redux Gand. [Invalid]	Synonym		WCSP
Quercus reevesii Trel.	Synonym		WCSP
Quercus reflexa King ex Hook.f.	Synonym		WCSP
Quercus regalis Burnett ex Endl.	Synonym		WCSP
Quercus regia Lindl.	Synonym		WCSP
Quercus regia var. eigii A.Camus	Synonym		WCSP
Quercus × rehderi Trel.	Accepted		WCSP
Quercus rehderiana Hand.-Mazz.	Accepted		WCSP
Quercus reinwardtii Drake [Illegitimate]	Synonym		WCSP
Quercus reinwardtii Korth.	Synonym		WCSP
Quercus rekonis Trel.	Accepted		WCSP
Quercus remotiuscula Gand. [Invalid]	Synonym		WCSP
Quercus repanda Bonpl.	Accepted		WCSP
Quercus repanda Michx. [Invalid]	Synonym		WCSP
Quercus repanda Benth. [Illegitimate]	Synonym		WCSP
Quercus repandifolia J.C.Liao	Synonym		WCSP
Quercus resinifera A.Chev. [Invalid]	Synonym		WCSP
Quercus resinosa Liebm.	Accepted		WCSP
Quercus reticulata Bonpl.	Synonym		WCSP
Quercus reticulata Engelm.	Synonym		TRO
Quercus reticulata f. applanata (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata f. apus (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata f. concava (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata var. conglomerata (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata var. crassifolia Oerst.	Synonym		WCSP
Quercus reticulata f. crenata (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata f. dugesii Trel.	Synonym		WCSP
Quercus reticulata var. greggii A.DC.	Synonym		WCSP
Quercus reticulata f. inclusa (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata var. laxa (Liebm.) Wenz.	Synonym		TRO
Quercus reticulata f. longa Trel.	Synonym		WCSP
Quercus reticulata f. pungens C.H.Mull.	Synonym		WCSP
Quercus reticulata var. retifolia Liebm.	Synonym		WCSP
Quercus reticulata subsp. rhodophlebia (Trel.) A.Camus	Synonym		WCSP
Quercus reticulata var. segoviensis (Liebm.) Wenz.	Synonym		WCSP
Quercus reticulata var. squarrosa Trel.	Synonym		WCSP
Quercus retusa Liebm. [Illegitimate]	Synonym		WCSP
Quercus retusa Raf.	Synonym		WCSP
Quercus reversa Benth.	Synonym		WCSP
Quercus revoluta Trel.	Synonym		WCSP
Quercus revoluta f. acuta C.H.Mull.	Synonym		WCSP
Quercus revoluta f. dysophyllopsis Trel.	Synonym		WCSP
Quercus revoluta f. pungens C.H.Mull.	Synonym		WCSP
Quercus rex Hemsl.	Accepted		WCSP
Quercus × reynieri Albert	Synonym		WCSP
Quercus rhamnifolia Miq.	Synonym		WCSP
Quercus rhioensis Hance	Synonym		WCSP
Quercus rhodopaea Velen.	Synonym		WCSP
Quercus rhodophlebia Trel.	Synonym		WCSP
Quercus rhodophlebia f. applanata Trel.	Synonym		WCSP
Quercus rhodophlebia f. apus Trel.	Synonym		WCSP
Quercus rhodophlebia f. concava Trel.	Synonym		WCSP
Quercus rhodophlebia f. crenata Trel.	Synonym		WCSP
Quercus rhodophlebia f. inclusa Trel.	Synonym		WCSP
Quercus rhombica Sarg.	Synonym		WCSP
Quercus rhombica var. obovatifolia Sarg.	Synonym		WCSP
Quercus rhombifolia Riddell [Unplaced]	Unresolved		WCSP
Quercus rhombocarpa Hayata	Synonym		WCSP
Quercus richardii Bosc [Unplaced]	Unresolved		WCSP
Quercus × richteri Baenitz.	Unresolved		TRO
Quercus rigida K.Koch ex A.DC. [Invalid]	Synonym		WCSP
Quercus rigida Willd.	Synonym		WCSP
Quercus rineharticena Hansen [Unplaced]	Unresolved		WCSP
Quercus × riparia Laughlin	Accepted		WCSP
Quercus rizalensis Merr.	Synonym		WCSP
Quercus × robbinsii Trel.	Accepted		WCSP
Quercus robinsonii Merr. [Illegitimate]	Synonym		WCSP
Quercus robinsonii Ridl.	Synonym		WCSP
Quercus × roborigermanica Lasch	Synonym		WCSP
Quercus robur L.	Accepted		WCSP
Quercus robur (Ten.) A. DC.	Synonym		TRO
Quercus robur var. acutifolia (Bechst.) Asch. & Graebn.	Synonym		WCSP
Quercus robur var. acutiloba Lasch	Synonym		WCSP
Quercus robur var. angustifolia Lasch	Synonym		WCSP
Quercus robur var. araxina Trautv.	Synonym		WCSP
Quercus robur var. armeniaca A.DC.	Synonym		WCSP
Quercus robur subsp. asterotricha (Borbás & Csató) Mátyás	Synonym		WCSP
Quercus robur var. aurea Wierzb. ex Rochel	Synonym		WCSP
Quercus robur var. australis (Heuff.) Simonk.	Synonym		WCSP
Quercus robur var. brachybalana (Schur) Gürke	Synonym		WCSP
Quercus robur f. brachybalanus (Schur) F.M.Vázquez	Synonym		WCSP
Quercus robur var. brachycarpa (Guss.) Borzí	Synonym		WCSP
Quercus robur var. brachyphylla (Kotschy) A.DC.	Synonym		WCSP
Quercus robur var. brevipedunculata Asch. & Graebn.	Synonym		WCSP
Quercus robur var. brevipes Simonk.	Synonym		WCSP
Quercus robur var. brevipetiolata Medw.	Synonym		WCSP
Quercus robur var. brevisecta Borbás	Synonym		WCSP
Quercus robur subsp. broteroana O.Schwarz	Synonym		WCSP
Quercus robur var. brutia (Ten.) Ten.	Synonym		WCSP
Quercus robur subsp. brutia (Ten.) O.Schwarz	Accepted		WCSP
Quercus robur var. buhseana A.DC.	Synonym		WCSP
Quercus robur var. bullata A.DC.	Synonym		WCSP
Quercus robur var. cedrorum (Kotschy) A.DC.	Synonym		WCSP
Quercus robur var. chartacea Schur ex A.Camus	Synonym		WCSP
Quercus robur var. communis A.DC.	Synonym		WCSP
Quercus robur var. congesta (C.Presl) Borzí	Synonym		WCSP
Quercus robur var. coriacea (Bechst.) Asch. & Graebn.	Synonym		WCSP
Quercus robur f. crassiuscula (Borbás) Erdesi & Gajic	Synonym		WCSP
Quercus robur var. cuneata A.DC.	Synonym		WCSP
Quercus robur var. cuneifolia Vuk.	Synonym		WCSP
Quercus robur var. dalechampii (Ten.) Fiori & Paol.	Synonym		WCSP
Quercus robur var. dshorochensis (K.Koch) A.DC.	Synonym		WCSP
Quercus robur var. duplicatosinuata Beck	Synonym		WCSP
Quercus robur var. erucifolia (Steven) Asch. & Graebn.	Synonym		WCSP
Quercus robur subsp. estremadurensis (O.Schwarz) A.Camus	Synonym		WCSP
Quercus robur var. ettingeri (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus robur var. extensa (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus robur var. farinosa (Vuk.) Gürke	Synonym		WCSP
Quercus robur var. fastigiata (Lam.) Spach	Synonym		WCSP
Quercus robur subsp. fastigiata (Lam.) A.Camus	Synonym		WCSP
Quercus robur var. glaberrima (Schur) Gürke	Synonym		WCSP
Quercus robur f. globulata (Schur) F.M.Vázquez	Synonym		WCSP
Quercus robur var. globulata (Schur) Gürke	Synonym		WCSP
Quercus robur var. glomerata Lam.	Synonym		WCSP
Quercus robur var. haas (Kotschy) A.DC.	Synonym		WCSP
Quercus robur subsp. imeretina (Steven ex Woronow) Menitsky	Accepted		WCSP
Quercus robur var. inaequiloba Asch. & Graebn.	Synonym		WCSP
Quercus robur var. intermedia Berang.	Synonym		WCSP
Quercus robur var. jankae A.Camus	Synonym		WCSP
Quercus robur var. laciniata Lam.	Synonym		WCSP
Quercus robur var. laciniata (Lodd.) A.DC.	Synonym		WCSP
Quercus robur var. lanuginosa Lam.	Synonym		WCSP
Quercus robur var. latiloba Lasch	Synonym		WCSP
Quercus robur var. leptobalana (Guss.) A. DC.	Synonym		TRO
Quercus robur var. leptobalanus (Guss.) A.DC.	Synonym		WCSP
Quercus robur var. leptocarpa Vuk.	Synonym		WCSP
Quercus robur var. longiloba Lasch ex A.Camus	Synonym		WCSP
Quercus robur subsp. longipes (Steven) Hedge & Yalt.	Synonym		WCSP
Quercus robur var. macrobalanos (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus robur f. macrobalanus (Schur) F.M.Vázquez	Synonym		WCSP
Quercus robur var. macrolepis Borzí	Synonym		WCSP
Quercus robur var. malacophylla (Schur) Gürke	Synonym		WCSP
Quercus robur var. mannifera (Lindl.) Bruttini	Synonym		WCSP
Quercus robur var. mespilifolia Wallr.	Synonym		WCSP
Quercus robur var. microbalanos (Heuff.) Schur	Synonym		WCSP
Quercus robur f. microbalanus (Heuff.) F.M.Vázquez	Synonym		WCSP
Quercus robur var. olsonii A.Camus	Synonym		WCSP
Quercus robur var. opaca (Schur) Gürke	Synonym		WCSP
Quercus robur var. pachycarpa (Debeaux) A.Camus	Synonym		WCSP
Quercus robur var. paleacea (Desf.) A.Camus	Synonym		WCSP
Quercus robur var. patellulata (Vuk.) Soó	Synonym		WCSP
Quercus robur var. pauciloba Lasch	Synonym		WCSP
Quercus robur subsp. pedunculata (Hoffm.) A.DC.	Synonym		WCSP
Quercus robur var. pedunculata (Hoffm.) Hook.f.	Synonym		WCSP
Quercus robur subsp. pedunculiflora (K.Koch) Menitsky	Accepted		WCSP
Quercus robur var. pendula Neill	Synonym		WCSP
Quercus robur var. petraea Matt.	Synonym		WCSP
Quercus robur var. pilifera Zapal.	Synonym		WCSP
Quercus robur subsp. pilosa (Schur) Gajic & Erdesi	Synonym		WCSP
Quercus robur var. pinnatifida (C.C.Gmel.) Borzí	Synonym		WCSP
Quercus robur var. platylepis Asch. & Graebn.	Synonym		WCSP
Quercus robur var. platyphylla Lam.	Synonym		WCSP
Quercus robur var. puberula (Lasch) Beck	Synonym		WCSP
Quercus robur var. pubescens (Willd.) Bonnier	Synonym		WCSP
Quercus robur var. repanda Lasch	Synonym		WCSP
Quercus robur subsp. robur	Accepted		WCSP
Quercus robur var. robusta Lasch	Synonym		WCSP
Quercus robur subsp. sessiliflora (Salisb.) A.DC.	Synonym		WCSP
Quercus robur var. sessiliflora (Salisb.) Wahlb.	Synonym		WCSP
Quercus robur var. sessilis Martyn	Synonym		WCSP
Quercus robur var. sicula (Gand.) Fiori	Synonym		WCSP
Quercus robur subsp. slavonica (Gáyer) Mátyás	Synonym		WCSP
Quercus robur f. slavonica Gáyer	Synonym		WCSP
Quercus robur var. sphaerobalana Schur	Synonym		WCSP
Quercus robur f. sphaerobalanus (Schur) F.M.Vázquez	Synonym		WCSP
Quercus robur var. stenocarpa Beck	Synonym		WCSP
Quercus robur f. subglobosa (Schur) F.M.Vázquez	Synonym		WCSP
Quercus robur var. subglobosa Schur	Synonym		WCSP
Quercus robur f. subpraecox Mátyás	Synonym		WCSP
Quercus robur var. szovitzii A.DC.	Synonym		WCSP
Quercus robur var. tardissima Mathieu & Fliche	Synonym		WCSP
Quercus robur var. tenorei A.DC.	Synonym		WCSP
Quercus robur var. tenuifolia Asch. & Graebn.	Synonym		WCSP
Quercus robur var. thomasii (Ten.) A.DC.	Synonym		WCSP
Quercus robur var. tricuspidata (Janka) Gürke	Synonym		WCSP
Quercus robur var. tubulosa (Schur) Gürke	Synonym		WCSP
Quercus robur var. virgiliana Ten.	Synonym		WCSP
Quercus robur var. welandii Heuff.	Synonym		WCSP
Quercus robur var. xylolepis Vuk.	Synonym		WCSP
Quercus robusta C.H.Mull.	Accepted		WCSP
Quercus × rolfsii Small	Accepted		WCSP
Quercus romanica Gand. [Invalid]	Synonym		WCSP
Quercus × rosacea Bechst.	Accepted		WCSP
Quercus rosacea Bechst.	Synonym		TRO
Quercus rosei Trel.	Synonym		WCSP
Quercus roseostriata Lavallée [Unplaced]	Unresolved		WCSP
Quercus roseovenulosa Trel.	Synonym		WCSP
Quercus rossica Gand. [Invalid]	Synonym		WCSP
Quercus rossii Trel.	Synonym		WCSP
Quercus rossii f. arsenei Trel.	Synonym		WCSP
Quercus rostanii Gand. [Invalid]	Synonym		WCSP
Quercus rostrata Vuk. [Unplaced]	Unresolved		WCSP
Quercus rotundata Blume	Synonym		WCSP
Quercus rotundifolia Lam.	Accepted		WCSP
Quercus rotundifolia f. avellaniformis (Colmeiro & E.Boutelou) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia var. avellaniformis (Colmeiro & E.Boutelou) F.M.Vázquez, S.Ramos & S.García	Synonym		WCSP
Quercus rotundifolia f. brevicupulata (Laguna) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia var. brevicupulata (Laguna) F.M.Vázquez, S.Ramos & S.García	Synonym		WCSP
Quercus rotundifolia f. calycina (Poir.) F.M.Vázquez, Espárrago, J.A.López Márque	Synonym		WCSP
Quercus rotundifolia f. crassicupulata (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia f. dolichocalyx (C.Vicioso) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia f. expansa (Poir.) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia f. macrocarpa (Cout.) F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia var. macrocarpa (Cout.) F.M.Vázquez, S.Ramos & S.García	Synonym		WCSP
Quercus rotundifolia subsp. maghrebiana P.Lebreton, Barbéro & Quézel	Synonym		WCSP
Quercus rotundifolia f. pilosella F.M.Vázquez	Synonym		WCSP
Quercus rotundifolia var. pilosella (F.M.Vázquez) F.M.Vázquez, S.Ramos & S.García	Synonym		WCSP
Quercus × rouxii A.Camus	Synonym		WCSP
Quercus roxburghii Endl.	Synonym		WCSP
Quercus rubens Petz. & G.Kirchn.	Synonym		WCSP
Quercus rubescens Trel.	Synonym		WCSP
Quercus rubicunda Dippel	Synonym		WCSP
Quercus rubra L.	Accepted		WCSP
Quercus rubra Sarg.	Synonym		TRO
Quercus rubra var. ambigua (F.Michx.) Fernald	Synonym		WCSP
Quercus rubra var. borealis (F.Michx.) Farw.	Synonym		WCSP
Quercus rubra var. coccinea (Münchh.) Aiton	Synonym		WCSP
Quercus rubra f. cuneata Trel.	Synonym		WCSP
Quercus rubra var. dissecta Lam.	Synonym		WCSP
Quercus rubra f. falcata (Michx.) Trel.	Synonym		WCSP
Quercus rubra var. hispanica Castigl.	Synonym		WCSP
Quercus rubra f. houbae Trel.	Synonym		WCSP
Quercus rubra f. juvenilis Trel.	Synonym		WCSP
Quercus rubra var. latepinnatifida Kuntze	Synonym		WCSP
Quercus rubra var. latifolia Aiton	Synonym		WCSP
Quercus rubra var. leucophylla Ashe	Synonym		WCSP
Quercus rubra var. maxima Marshall	Synonym		WCSP
Quercus rubra var. montana Marshall	Synonym		WCSP
Quercus rubra var. muehlenbergii (Engelm.) Wenz.	Synonym		WCSP
Quercus rubra var. nana Marshall	Synonym		WCSP
Quercus rubra f. obovata Trel.	Synonym		WCSP
Quercus rubra var. pagodifolia (Elliott) Ashe	Synonym		WCSP
Quercus rubra var. palustris (Münchh.) Kuntze	Synonym		WCSP
Quercus rubra var. pendula de Vos	Synonym		WCSP
Quercus rubra var. ramosissima Marshall	Synonym		WCSP
Quercus rubra var. runcinata A.DC.	Synonym		WCSP
Quercus rubra var. subserrata Lam.	Synonym		WCSP
Quercus rubra var. texana (Buckley) Buckley	Synonym		WCSP
Quercus rubra var. texana Engelm.	Synonym		TRO
Quercus rubra var. tinctoria (Bartram) Kuntze	Synonym		WCSP
Quercus rubra f. triloba (Michx.) Trel.	Synonym		WCSP
Quercus rubra var. triloba (Michx.) Ashe	Synonym		TRO
Quercus rubramenta Trel.	Synonym		WCSP
Quercus × rudkinii Britton	Accepted		WCSP
Quercus rufa Seemen [Illegitimate]	Synonym		WCSP
Quercus rufa Vuk.	Synonym		WCSP
Quercus rufescens (Rehder) E.P.Bicknell	Synonym		WCSP
Quercus rufescens Hook.f. & Thomson [Invalid]	Synonym		WCSP
Quercus rugosa (Masam.) J.C.Liao	Synonym		WCSP
Quercus rugosa Née	Accepted		WCSP
Quercus rugulosa M.Martens & Galeotti	Synonym		WCSP
Quercus rugulosa f. subtruncata Trel.	Synonym		WCSP
Quercus rumelica Griseb. & Schenk	Synonym		WCSP
Quercus × runcinata (A.DC.) Engelm.	Accepted		WCSP
Quercus runcinatifolia Trel. & C.H.Müll.	Accepted		WCSP
Quercus runcinatifolia f. alata Trel. & C.H.Müll.	Synonym		WCSP
Quercus rupestris Hickel & A.Camus	Accepted		WCSP
Quercus × rydbergiana Cockerell	Synonym		WCSP
Quercus rysophylla Weath.	Accepted		WCSP
Quercus sacame Trel.	Synonym		WCSP
Quercus sada Mast.	Synonym		WCSP
Quercus sadleriana R.Br.ter	Accepted		WCSP
Quercus sagata E.F.Warb.	Synonym		WCSP
Quercus sagraeana Nutt.	Synonym		WCSP
Quercus saii Djav.-Khoie	Synonym		WCSP
Quercus × salcedoi C.Vicioso	Accepted		WCSP
Quercus salicifolia Benth. [Illegitimate]	Synonym		WCSP
Quercus salicifolia Steud. [Invalid]	Synonym		WCSP
Quercus salicifolia Née	Accepted		WCSP
Quercus salicifolia var. oajacana (Liebm.) Wenz.	Synonym		WCSP
Quercus salicifolia var. seemannii (Liebm.) Wenz.	Synonym		WCSP
Quercus salicifolia var. tlapuxahuensis (A.DC.) Wenz.	Synonym		WCSP
Quercus salicifolia x benthamii	Unresolved		TRO
Quercus salicina Blume	Accepted		WCSP
Quercus salicina f. angusta (Nakai) H. Ohba	Accepted		TRO
Quercus salicina f. angustata (Nakai) H.Ohba	Synonym		WCSP
Quercus salicina var. asiatica C.F.Shen	Synonym		WCSP
Quercus salicina f. latifolia (Nakai) H.Ohba	Synonym		WCSP
Quercus salicina var. stenophylla (Blume) Hatus.	Synonym		WCSP
Quercus salicina var. stenophylloides (Hayata) S.S.Ying	Synonym		WCSP
Quercus saltillensis Trel.	Accepted		WCSP
Quercus salvadorensis Trel.	Synonym		WCSP
Quercus salzmanniana (Webb) Cout.	Synonym		WCSP
Quercus san-sabeana Buckley	Synonym		WCSP
Quercus sanchezcolinii Martínez	Accepted		WCSP
Quercus sancta Gand. [Invalid]	Synonym		WCSP
Quercus santaclarensis C.H.Mull.	Synonym		WCSP
Quercus sapotifolia Liebm.	Accepted		WCSP
Quercus saravanensis A.Camus	Accepted		WCSP
Quercus sarcolepis Gand. [Invalid]	Synonym		WCSP
Quercus sardoa Gand. [Invalid]	Synonym		WCSP
Quercus × sargentii Rehder [Unplaced]	Unresolved		WCSP
Quercus sartorii Liebm.	Synonym		WCSP
Quercus sartorii Botteri ex A.DC.	Synonym		WCSP
Quercus sartorii f. magna Trel.	Synonym		WCSP
Quercus sasakii Kaneh.	Synonym		WCSP
Quercus × saulii C.K.Schneid.	Accepted		WCSP
Quercus × sauteri Dalla Torre & Sarnth. [Unplaced]	Unresolved		WCSP
Quercus sauteri Gand. [Invalid]	Synonym		WCSP
Quercus scalaridentata Djav.-Khoie	Synonym		WCSP
Quercus scandica Gand. [Invalid]	Synonym		WCSP
Quercus schenckiana Trel.	Synonym		WCSP
Quercus scherzeri Trel.	Synonym		WCSP
Quercus schippii Standl.	Synonym		WCSP
Quercus schlosseriana Gand. [Invalid]	Synonym		WCSP
Quercus schneckii Britton	Synonym		WCSP
Quercus × schneideri Vierh.	Accepted		WCSP
Quercus × schochiana Dieck	Accepted		WCSP
Quercus schottkyana Rehder & E.H.Wilson	Accepted		WCSP
Quercus × schuettei Trel.	Accepted		WCSP
Quercus schultzei Trel.	Accepted		WCSP
Quercus schulzei (Vuk.) Vuk.	Synonym		WCSP
Quercus × schwarzii A.Camus [Unplaced]	Unresolved		WCSP
Quercus sclerophylla Lindl. & Paxton	Synonym		WCSP
Quercus scolopendrifolia K.Koch	Synonym		WCSP
Quercus scortechinii King ex Hook.f.	Synonym		WCSP
Quercus scotica Gand. [Invalid]	Synonym		WCSP
Quercus scyphigera Hance	Synonym		WCSP
Quercus scyphigera var. riedelii King	Synonym		WCSP
Quercus scythica Gand. [Invalid]	Synonym		WCSP
Quercus scytophylla Liebm.	Accepted		WCSP
Quercus sebifera Trel.	Accepted		WCSP
Quercus sebifera f. comitanensis Trel.	Synonym		WCSP
Quercus × secalliana C.Vicioso	Synonym		WCSP
Quercus secondatii Steud.	Synonym		WCSP
Quercus sectifolia Vuk.	Synonym		WCSP
Quercus sedrosensis C.H.Mull.	Synonym		WCSP
Quercus seemannii Liebm.	Accepted		WCSP
Quercus seemannii var. gulielmitreleasei (C.H.Mull.) A.E.Murray	Synonym		WCSP
Quercus seemannii subsp. gulielmitreleasei (C.H.Mull.) A.E.Murray	Synonym		WCSP
Quercus seemannii subsp. rapurahuensis (Pittier ex Trel.) A.E.Murray	Synonym		WCSP
Quercus seemannii var. rapurahuensis (Pittier ex Trel.) A.E.Murray	Synonym		WCSP
Quercus seemannii subsp. tonduzii (Seemen) A.E.Murray	Synonym		WCSP
Quercus seemannii var. tonduzii (Seemen) A.E.Murray	Synonym		WCSP
Quercus segoviensis Liebm.	Accepted		WCSP
Quercus seibertii C.H.Mull.	Synonym		WCSP
Quercus seleri Trel.	Synonym		WCSP
Quercus semecarpifolia Sm.	Accepted		WCSP
Quercus semecarpifolia var. glabra Franch.	Synonym		WCSP
Quercus semecarpifolia subsp. glabra (Franch.) Hand.-Mazz.	Synonym		WCSP
Quercus semecarpifolia var. longispica Hand.-Mazz.	Synonym		WCSP
Quercus semecarpifolia var. miyabei (Hayata) S.S.Ying	Synonym		WCSP
Quercus semecarpifolia var. rufescens (Franch.) Schottky	Synonym		WCSP
Quercus semecarpifolia var. spinosa (David) Schottky	Synonym		WCSP
Quercus semecarpifolia f. tatakaensis (Tomiya) J.C.Liao	Synonym		WCSP
Quercus semilanuginosa Borbás	Unresolved		WCSP
Quercus semipinnata Gand. [Invalid]	Synonym		WCSP
Quercus semiserrata Roxb.	Accepted		WCSP
Quercus semiserrata var. mannii Hook.f.	Synonym		WCSP
Quercus semiserratoides (Y.C.Hsu & H.Wei Jen) C.C.Huang & Y.T.Chang	Accepted		WCSP
Quercus sempervirens Mill.	Synonym		WCSP
Quercus sempervirens Walter [Illegitimate]	Synonym		WCSP
Quercus senescens Hand.-Mazz.	Accepted		WCSP
Quercus senescens var. muliensis (Hu) Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus × senneniana A.Camus	Accepted		WCSP
Quercus × sennenii O.Schwarz [Invalid]	Synonym		WCSP
Quercus sentenelensis C.H.Mull.	Synonym		WCSP
Quercus serbica Gand. [Invalid]	Synonym		WCSP
Quercus sericea Scheff. [Illegitimate]	Synonym		WCSP
Quercus sericea (Aiton) Willd.	Synonym		WCSP
Quercus serra Unger [Unplaced]	Unresolved		WCSP
Quercus serra Liebm. [Illegitimate]	Synonym		WCSP
Quercus serrata Murray	Accepted		WCSP
Quercus serrata Roxb. [Illegitimate]	Synonym		WCSP
Quercus serrata Thunb.	Unresolved		TRO
Quercus serrata var. attenuata Blume	Synonym		WCSP
Quercus serrata var. brevipetiolata (A.DC.) Nakai	Synonym		WCSP
Quercus serrata var. chinensis Wenz.	Synonym		WCSP
Quercus serrata var. concolor Sugim.	Synonym		WCSP
Quercus serrata f. concolor (Sugim.) H.Ohba	Synonym		WCSP
Quercus serrata var. donarium (Nakai) Kitam. & T.Horik.	Synonym		WCSP
Quercus serrata var. nana Blume	Synonym		WCSP
Quercus serrata var. obtusata Blume	Synonym		WCSP
Quercus serrata var. pseudovariabilis Nakai	Synonym		WCSP
Quercus serrata var. roxburghii (Endl.) A.DC.	Synonym		WCSP
Quercus serrata subsp. serrata	Accepted		WCSP
Quercus serrata var. tanbakuri Blume	Synonym		WCSP
Quercus serrata var. tomentosa (B.C.Ding & T.B.Chao) Y.C.Hsu & H.Wei Jen	Synonym		WCSP
Quercus serratifolia Benth. ex Petzh. & G.Kirchn.	Synonym		WCSP
Quercus × serratoides Uyeki	Accepted		WCSP
Quercus × serratoides var. crispuloserrata Sugim. [Unplaced]	Unresolved		WCSP
Quercus serrulata Trel.	Synonym		WCSP
Quercus sessiliflora Salisb.	Synonym		WCSP
Quercus sessiliflora f. acutiloba Svent.	Synonym		WCSP
Quercus sessiliflora var. ambigua Nyman	Synonym		WCSP
Quercus sessiliflora f. angulata Vuk.	Synonym		WCSP
Quercus sessiliflora var. angustata Zapal.	Synonym		WCSP
Quercus sessiliflora var. aurea (Wierzb. ex Rochel) A.DC.	Synonym		WCSP
Quercus sessiliflora f. bolleana Asch.	Synonym		WCSP
Quercus sessiliflora var. brachyphylla (Kotschy) Raulin	Synonym		WCSP
Quercus sessiliflora f. castanoides Vuk.	Synonym		WCSP
Quercus sessiliflora var. cedrorum (Kotschy) Boiss.	Synonym		WCSP
Quercus sessiliflora var. cerrioides (Willk. & Costa) Willk.	Synonym		WCSP
Quercus sessiliflora var. condensata (Schur) Nyman	Synonym		WCSP
Quercus sessiliflora f. conferta (Kit.) Vuk.	Synonym		WCSP
Quercus sessiliflora var. coriacea (Bechst.) Gürke	Synonym		WCSP
Quercus sessiliflora f. crassifolia Vuk.	Synonym		WCSP
Quercus sessiliflora var. cupaniana (Guss.) Nyman	Synonym		WCSP
Quercus sessiliflora var. decipiens Bechst.	Synonym		WCSP
Quercus sessiliflora var. dshorochensis (K.Koch) Medw.	Synonym		WCSP
Quercus sessiliflora var. fruticosa Schur	Synonym		WCSP
Quercus sessiliflora var. glabra Borbás	Synonym		WCSP
Quercus sessiliflora var. globosa Borbás	Synonym		WCSP
Quercus sessiliflora f. iberica (Steven ex M.Bieb.) Ledeb.	Synonym		WCSP
Quercus sessiliflora subsp. kerneri (Simonk.) Nyman	Synonym		WCSP
Quercus sessiliflora var. laciniosa Boreau	Synonym		WCSP
Quercus sessiliflora subsp. lanuginosa (Lam.) Celak.	Synonym		WCSP
Quercus sessiliflora f. lobulata Christ	Synonym		WCSP
Quercus sessiliflora var. longicarpa Schur	Synonym		WCSP
Quercus sessiliflora var. longifolia Dippel	Synonym		WCSP
Quercus sessiliflora var. macroloba Borbás	Synonym		WCSP
Quercus sessiliflora var. mannifera (Lindl.) Boiss.	Synonym		WCSP
Quercus sessiliflora var. microcarpa (Lapeyr.) Nyman	Synonym		WCSP
Quercus sessiliflora var. mongolica (Fisch. ex Ledeb.) Franch.	Synonym		WCSP
Quercus sessiliflora var. montana Tod.	Synonym		WCSP
Quercus sessiliflora var. oblongata Tod.	Synonym		WCSP
Quercus sessiliflora var. oxyacanthifollia Martrin-Donos	Synonym		WCSP
Quercus sessiliflora var. pallida Nyman	Synonym		WCSP
Quercus sessiliflora var. pedemontana (Colla) Nyman	Synonym		WCSP
Quercus sessiliflora f. pinnata C.K.Schneid.	Synonym		WCSP
Quercus sessiliflora var. pinnatifida Boiss.	Synonym		WCSP
Quercus sessiliflora var. pinnatipartita Medw.	Synonym		WCSP
Quercus sessiliflora var. platyphylla (Lam.) DC.	Synonym		WCSP
Quercus sessiliflora subsp. polycarpa (Schur) Nyman	Synonym		WCSP
Quercus sessiliflora var. pubescens (Willd.) Loudon	Synonym		WCSP
Quercus sessiliflora var. sphaerocarpa (Vuk.) Gürke	Synonym		WCSP
Quercus sessiliflora var. suberoides Debeaux	Synonym		WCSP
Quercus sessiliflora var. sublobata (Kit.) Nyman	Synonym		WCSP
Quercus sessiliflora var. subtubulosa Schur	Synonym		WCSP
Quercus sessiliflora var. tcharachensis Albov	Synonym		WCSP
Quercus sessiliflora var. tridactyla (Borbás) Nyman	Unresolved		WCSP
Quercus sessiliflora var. tschorochensis Boiss.	Synonym		WCSP
Quercus sessiliflora f. undulata Vuk.	Synonym		WCSP
Quercus sessiliflora subsp. virgiliana (Ten.) Nyman	Synonym		WCSP
Quercus sessilifolia Blume	Accepted		WCSP
Quercus sessilis Ehrh. ex Schur	Synonym		WCSP
Quercus sessilis var. acutiloba Olson ex A.Camus	Synonym		WCSP
Quercus sessilis var. angulata (Vuk.) Beck	Synonym		WCSP
Quercus sessilis f. aurea (Wierzb. ex Rochel) Schur	Synonym		WCSP
Quercus sessilis var. aurea (Wierzb. ex Rochel) Schur	Synonym		TRO
Quercus sessilis var. barbulata Schur	Synonym		WCSP
Quercus sessilis var. columbaria (Vuk.) Borbás	Synonym		WCSP
Quercus sessilis var. coronensis (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. decipiens (Bechst.) C.K.Schneid.	Synonym		WCSP
Quercus sessilis var. erythroneura (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. fruticosa (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. glabrata Schur	Synonym		WCSP
Quercus sessilis var. globosa Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. laciniata (Lam.) C.K.Schneid.	Synonym		WCSP
Quercus sessilis var. longicarpa (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. longifolia (Dippel) C.K.Schneid.	Synonym		WCSP
Quercus sessilis var. longipedunculata Moss	Synonym		WCSP
Quercus sessilis var. louettei Petz. & G.Kirchn.	Synonym		WCSP
Quercus sessilis var. macrocarpa Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. macroloba (Borbás) Balat.	Synonym		WCSP
Quercus sessilis var. mespilifolia (Wallr.) Koehne	Synonym		WCSP
Quercus sessilis var. microbalana Lojac.	Synonym		WCSP
Quercus sessilis var. microbalanos Boreau	Synonym		WCSP
Quercus sessilis var. pendula C.K.Schneid.	Synonym		WCSP
Quercus sessilis var. petiolata Asch. & Graebn.	Synonym		WCSP
Quercus sessilis f. pinnatifida Medw.	Synonym		WCSP
Quercus sessilis var. platyphylla (Lam.) Rouy	Synonym		WCSP
Quercus sessilis var. puigi Sennen ex A.Camus	Synonym		WCSP
Quercus sessilis var. spathulifolia (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. sphaerocarpa (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. sphaerocarpa Moss	Synonym		WCSP
Quercus sessilis var. stenophylla Zabel ex A.Camus	Synonym		WCSP
Quercus sessilis f. sublobata (Kit.) C.K.Schneid.	Synonym		WCSP
Quercus sessilis var. sublobata (Kit.) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. subtubulosa (Schur) Asch. & Graebn.	Synonym		WCSP
Quercus sessilis var. undulata (Vuk.) Asch. & Graebn.	Synonym		WCSP
Quercus setifera T.Moore [Unplaced]	Unresolved		WCSP
Quercus setulosa Hickel & A.Camus	Accepted		WCSP
Quercus setulosa subsp. laotica (A.Camus) Menitsky	Accepted		WCSP
Quercus setulosa subsp. setulosa	Accepted		WCSP
Quercus severnensis E.W. Berry	Unresolved		TRO
Quercus shanxiensis Z.K.Zhou	Accepted		WCSP
Quercus shennongii C.C.Huang & S.H.Fu	Accepted		WCSP
Quercus shingjenensis Y.T.Chang	Accepted		WCSP
Quercus × shirlingii Bush	Synonym		WCSP
Quercus shrevei C.H.Mull.	Synonym		WCSP
Quercus shumardii Buckley	Accepted		WCSP
Quercus shumardii var. acerifolia E.J.Palmer	Synonym		WCSP
Quercus shumardii var. microcarpa (Torr.) Shinners	Synonym		WCSP
Quercus shumardii var. schneckii (Britton) Sarg.	Accepted		WCSP
Quercus shumardii subsp. texana (Buckley) A.E.Murray	Synonym		WCSP
Quercus shumardii var. texana (Buckley) Ashe	Synonym		TRO
Quercus sibthorpii Kotschy ex Boiss.	Synonym		WCSP
Quercus sichourensis (Y.C.Hsu) C.C.Huang & Y.T.Chang	Accepted		WCSP
Quercus sicula Gand. [Invalid]	Synonym		WCSP
Quercus sicula Borzí	Accepted		WCSP
Quercus sideroxyla Bonpl.	Accepted		WCSP
Quercus sideroxyla f. aquifolia Trel.	Synonym		WCSP
Quercus sideroxyla f. ciliifera Trel.	Synonym		WCSP
Quercus sieboldiana Blume	Synonym		WCSP
Quercus sieboldii Dippel	Synonym		WCSP
Quercus sierramadrensis C.H.Mull.	Synonym		WCSP
Quercus siguatepequeana Trel.	Synonym		WCSP
Quercus silicina var. orgyalis Hand.-Mazz.	Synonym		WCSP
Quercus sillae Trel.	Synonym		WCSP
Quercus siltepecana Matuda	Synonym		WCSP
Quercus silvicolarum Hance	Synonym		WCSP
Quercus similata Gand. [Invalid]	Synonym		WCSP
Quercus similis Ashe	Accepted		WCSP
Quercus simillima Trel.	Synonym		WCSP
Quercus × simonkaiana J.Wagner [Unplaced]	Unresolved		WCSP
Quercus singuliflora (H.Lév.) A.Camus	Synonym		WCSP
Quercus sinii Chun	Synonym		WCSP
Quercus sintenisiana O.Schwarz	Synonym		WCSP
Quercus sinuata Martrin-Donos & Timb.-Lagr. [Illegitimate]	Synonym		WCSP
Quercus sinuata Walter	Accepted		WCSP
Quercus sinuata subsp. breviloba (Torr.) A.E.Murray	Synonym		WCSP
Quercus sinuata var. breviloba (Torr.) C.H.Mull.	Accepted		WCSP
Quercus sinuata f. durandii (Buckley) Trel.	Synonym		TRO
Quercus sinuata var. sinuata	Accepted		WCSP
Quercus sipuraca Trel.	Synonym		WCSP
Quercus sirokasi Siebold [Unplaced]	Unresolved		WCSP
Quercus skaniana Dunn	Synonym		WCSP
Quercus skinneri Benth.	Accepted		WCSP
Quercus skutchii Trel.	Synonym		WCSP
Quercus slavica Gand. [Invalid]	Synonym		WCSP
Quercus slavonica Kit. ex Borbás	Synonym		WCSP
Quercus slavorum Gand. [Invalid]	Synonym		WCSP
Quercus × smallii Trel.	Accepted		WCSP
Quercus smilax L.	Synonym		WCSP
Quercus smilax var. fordii (Loudon) Halácsy	Synonym		WCSP
Quercus soleriana Vidal	Synonym		WCSP
Quercus × soluntina Tineo ex Lojac.	Synonym		WCSP
Quercus sonchifolia Booth ex Petz. & G.Kirchn.	Synonym		WCSP
Quercus songtavanensis A.Camus	Synonym		WCSP
Quercus sonomensis Benth. ex A.DC.	Synonym		WCSP
Quercus × sooi Mátyás [Unplaced]	Unresolved		WCSP
Quercus sootepensis Craib	Synonym		WCSP
Quercus sorocarpa Woronow ex Maleev	Synonym		WCSP
Quercus sororia Liebm.	Synonym		WCSP
Quercus spathulata Seemen	Synonym		WCSP
Quercus spathulata Watelet [Unplaced]	Unresolved		WCSP
Quercus spathulata var. elliptica Y.C.Hsu & H.Wei Jen	Synonym		WCSP
Quercus spathulata var. oxyphylla E.H.Wilson	Synonym		WCSP
Quercus spathulifolia Vuk.	Synonym		WCSP
Quercus spathulistipula Trel.	Synonym		WCSP
Quercus speciensis Dippel	Synonym		WCSP
Quercus spectabilis Kit. ex Simonk.	Synonym		WCSP
Quercus sphacelata Blume	Synonym		WCSP
Quercus sphaerocarpa Vuk.	Synonym		WCSP
Quercus spicata Sm. [Illegitimate]	Synonym		WCSP
Quercus spicata Bonpl.	Synonym		WCSP
Quercus spicata Liebmann-Oersted	Synonym		TRO
Quercus spicata var. brevipetiolata A.DC.	Synonym		WCSP
Quercus spicata var. chittagonga King ex Hook.f.	Synonym		WCSP
Quercus spicata var. collettii King	Synonym		WCSP
Quercus spicata var. collettii King ex Hook. f.	Synonym		TRO
Quercus spicata var. depressa (Blume) King	Synonym		WCSP
Quercus spicata var. glaberrima (Blume) A.DC.	Synonym		WCSP
Quercus spicata var. gracilipes (Miq.) A.DC.	Synonym		WCSP
Quercus spicata var. gracilipes Hook.f. [Illegitimate]	Synonym		WCSP
Quercus spicata var. latifolia Scheff.	Synonym		WCSP
Quercus spicata var. microcalyx (Korth.) Miq.	Synonym		WCSP
Quercus spicata var. placentaria (Blume) Miq.	Synonym		WCSP
Quercus spicata var. racemosa Miq.	Synonym		WCSP
Quercus spinosa David	Accepted		WCSP
Quercus spinosa var. miyabei Hayata	Synonym		WCSP
Quercus spinosa subsp. miyabei (Hayata) A.Camus	Accepted		WCSP
Quercus spinosa var. monimotricha Hand.-Mazz.	Synonym		WCSP
Quercus spinosa subsp. spinosa	Accepted		WCSP
Quercus spinulosa M.Martens & Galeotti	Synonym		WCSP
Quercus splendens Née	Accepted		WCSP
Quercus splendens var. pallidior A.DC.	Synonym		WCSP
Quercus squamata Roxb.	Synonym		WCSP
Quercus squamulosa Djav.-Khoie	Synonym		WCSP
Quercus squarrosa Kotschy ex A.DC.	Synonym		WCSP
Quercus standleyi Trel.	Synonym		WCSP
Quercus steenisii Soepadmo	Accepted		WCSP
Quercus × steinii Rouy	Synonym		WCSP
Quercus stellapila (Sarg.) Parks	Synonym		WCSP
Quercus stellata Wangenh.	Accepted		WCSP
Quercus stellata f. anomala Sarg.	Synonym		WCSP
Quercus stellata var. araniosa Sarg.	Synonym		WCSP
Quercus stellata var. attenuata Sarg.	Synonym		WCSP
Quercus stellata var. boyntonii (Beadle) Sarg.	Synonym		WCSP
Quercus stellata f. cruciformis Trel.	Synonym		WCSP
Quercus stellata var. depressa (Nutt.) A.DC.	Synonym		WCSP
Quercus stellata var. drummondii (Liebm.) Trel.	Synonym		WCSP
Quercus stellata var. floridana A.DC.	Synonym		WCSP
Quercus stellata var. heterophylla Ettingsh. & Krasan	Synonym		WCSP
Quercus stellata f. houbae Trel.	Synonym		WCSP
Quercus stellata f. laevis Trel.	Synonym		WCSP
Quercus stellata subsp. margarettiae (Ashe) A.E.Murray	Synonym		WCSP
Quercus stellata var. margarettiae (Ashe) Sarg.	Synonym		WCSP
Quercus stellata var. mississippiensis (Ashe) Little	Synonym		WCSP
Quercus stellata f. mollissima Trel.	Synonym		WCSP
Quercus stellata f. oblonga Trel.	Synonym		WCSP
Quercus stellata var. palmeri Sarg.	Synonym		WCSP
Quercus stellata subsp. paludosa (Sarg.) A.E.Murray	Synonym		WCSP
Quercus stellata var. paludosa Sarg.	Synonym		WCSP
Quercus stellata var. parviloba Trel.	Synonym		WCSP
Quercus stellata f. quadrata Trel.	Synonym		WCSP
Quercus stellata f. reducta Trel.	Synonym		WCSP
Quercus stellata f. rufescens Trel.	Synonym		WCSP
Quercus stellata var. similis (Ashe) Sudw.	Synonym		WCSP
Quercus stellata f. sterrettii Trel.	Synonym		WCSP
Quercus stellata f. stolonifera Sarg.	Synonym		WCSP
Quercus stellata f. tonsa Trel.	Synonym		WCSP
Quercus stellata var. utahensis A.DC.	Synonym		WCSP
Quercus × stelloides E.J.Palmer	Accepted		WCSP
Quercus stenobalana Guss.	Synonym		WCSP
Quercus stenobalanos Gand. [Invalid]	Synonym		WCSP
Quercus stenocarpa Gand. [Invalid]	Synonym		WCSP
Quercus stenocarpa Lavallée [Unplaced]	Unresolved		WCSP
Quercus stenodes Gand. [Invalid]	Synonym		WCSP
Quercus stenolepis Vuk.	Synonym		WCSP
Quercus stenophylla (Blume) Makino	Synonym		WCSP
Quercus stenophylla var. angusta Nakai	Synonym		TRO
Quercus stenophylla var. angustata Nakai	Synonym		WCSP
Quercus stenophylla var. hypargyrea (Seemen ex Diels) A.Camus	Synonym		WCSP
Quercus stenophylla var. latifolia Nakai	Synonym		WCSP
Quercus stenophylla var. salicina Makino	Synonym		WCSP
Quercus stenophylla var. stenophylloides (Hayata) A.Camus	Synonym		WCSP
Quercus stenophylloides Hayata	Accepted		WCSP
Quercus × sterilis Trel.	Accepted		WCSP
Quercus × sterretii Trel.	Accepted		WCSP
Quercus stewardiana A.Camus	Accepted		WCSP
Quercus stewardii Rehder	Synonym		WCSP
Quercus stilbophylla Gand. [Invalid]	Synonym		WCSP
Quercus stipitata Hayata ex Koidz.	Synonym		WCSP
Quercus stipularis Bonpl.	Synonym		WCSP
Quercus stolonifera Lapeyr.	Synonym		WCSP
Quercus strangulata Gand. [Invalid]	Synonym		WCSP
Quercus stranjensis Turrill	Synonym		WCSP
Quercus × streimii Heuff.	Accepted		WCSP
Quercus × streimii var. pachytricha Borbás	Synonym		WCSP
Quercus striata Siebold ex André [Unplaced]	Unresolved		WCSP
Quercus striatula Trel.	Accepted		WCSP
Quercus striatula f. otinapensis Trel.	Synonym		WCSP
Quercus strigosa Wierzb. ex Rochel	Synonym		WCSP
Quercus strombocarpa Liebm.	Synonym		WCSP
Quercus × subalbescens A.Camus	Synonym		WCSP
Quercus × subalpestris A.Camus	Synonym		WCSP
Quercus subalpina Kotschy ex A.DC.	Synonym		WCSP
Quercus × subandegavensis A.Camus	Synonym		WCSP
Quercus subavenia Trel.	Synonym		WCSP
Quercus × subconvexa Tucker	Synonym		WCSP
Quercus subcordata Djav.-Khoie	Synonym		WCSP
Quercus × subcrispa Borbás	Synonym		WCSP
Quercus subcrispata Trel.	Synonym		WCSP
Quercus suber L.	Accepted		WCSP
Quercus suber var. angustifolia Duhamel	Synonym		WCSP
Quercus suber var. bivonana (Guss.) Parl.	Synonym		WCSP
Quercus suber var. brevicalyx Albert	Synonym		WCSP
Quercus suber f. brevicupulata (Batt. & Trab.) F.M.Vázquez	Synonym		WCSP
Quercus suber var. brevicupulata Batt. & Trab.	Synonym		WCSP
Quercus suber var. brevisquama Cout.	Synonym		WCSP
Quercus suber var. brevisquama Batt. & Trab.	Synonym		WCSP
Quercus suber var. caduca Batt. & Trab.	Synonym		WCSP
Quercus suber var. calyciformis Casalaina	Synonym		WCSP
Quercus suber var. clavata Cout.	Synonym		WCSP
Quercus suber f. clavata Cout.	Synonym		WCSP
Quercus suber var. crinita Pers.	Synonym		WCSP
Quercus suber f. dolichocarpa (A.Camus) F.M.Vázquez	Synonym		WCSP
Quercus suber var. dolichocarpa A.Camus	Synonym		WCSP
Quercus suber var. dulcis Batt. & Trab.	Synonym		WCSP
Quercus suber f. dulcis Cout.	Synonym		WCSP
Quercus suber var. edulis A.Camus	Synonym		WCSP
Quercus suber var. fagifolia Albert	Synonym		WCSP
Quercus suber var. integrifolia Borzí	Synonym		WCSP
Quercus suber var. latifolia Duhamel	Synonym		WCSP
Quercus suber f. longicalyx (A.Camus) F.M.Vázquez	Synonym		WCSP
Quercus suber var. longicalyx A.Camus	Synonym		WCSP
Quercus suber var. macrocarpa Willk. & Lange	Synonym		WCSP
Quercus suber f. macrocarpa Cout.	Synonym		WCSP
Quercus suber var. macrophylla Batt. & Trab.	Synonym		WCSP
Quercus suber f. macrophylla Cout.	Synonym		WCSP
Quercus suber f. microcarpa Cout.	Synonym		WCSP
Quercus suber var. microcarpa Batt. & Trab.	Synonym		WCSP
Quercus suber var. microphylla Batt. & Trab.	Synonym		WCSP
Quercus suber f. microphylla Cout.	Synonym		WCSP
Quercus suber subsp. occidentalis (Gay) A.Camus	Synonym		WCSP
Quercus suber var. occidentalis (Gay) Laguna	Synonym		WCSP
Quercus suber f. oleifolia Cout.	Synonym		WCSP
Quercus suber var. oleifolia Batt. & Trab.	Synonym		WCSP
Quercus suber f. pendula Cout.	Synonym		WCSP
Quercus suber f. racemosa (Borzí) F.M.Vázquez	Synonym		WCSP
Quercus suber var. racemosa Borzí	Synonym		WCSP
Quercus suber var. serotina Borzí	Synonym		WCSP
Quercus suber var. subcrinata Cout.	Synonym		WCSP
Quercus suber var. subcritina Cout.	Synonym		WCSP
Quercus suber f. subintegrifolia Cout.	Synonym		WCSP
Quercus suber var. subintegrifolia Batt. & Trab.	Synonym		WCSP
Quercus suber var. subocculata (Cout.) Cout.	Synonym		WCSP
Quercus suber f. subocculata Cout.	Synonym		WCSP
Quercus subera St.-Lag.	Synonym		WCSP
Quercus suberoides Raf. [Unplaced]	Unresolved		WCSP
Quercus suberosa Salisb.	Synonym		WCSP
Quercus × subfalcata Trel.	Accepted		WCSP
Quercus × subfalcata var. microcarpa (Dippel) Sarg.	Synonym		WCSP
Quercus subfastigiata Lavallée [Unplaced]	Unresolved		WCSP
Quercus × subglandulosa Borbás	Synonym		WCSP
Quercus × subglaucescens A.Camus [Unplaced]	Unresolved		WCSP
Quercus subgrisea Gand. [Invalid]	Synonym		WCSP
Quercus subhinoidea Chun & W.C.Ko	Accepted		WCSP
Quercus × subimbricaria (A.DC.) Sudw.	Synonym		WCSP
Quercus × subintegra (Engelm.) Trel.	Accepted		WCSP
Quercus × sublaurifolia Trel. [Unplaced]	Unresolved		WCSP
Quercus sublobata Kit.	Synonym		WCSP
Quercus submollis Rydb.	Synonym		WCSP
Quercus submonticola Elmer	Synonym		WCSP
Quercus subobtusifolia A.Camus	Synonym		WCSP
Quercus suboccolta Jord. [Unplaced]	Unresolved		WCSP
Quercus subpyrenaica Villar	Synonym		WCSP
Quercus subreticulata Hayata	Synonym		WCSP
Quercus subsericea A.Camus	Accepted		WCSP
Quercus subspathulata Trel.	Accepted		WCSP
Quercus × subspicata (A.Camus) C.Vicioso	Synonym		WCSP
Quercus × substellata Trel.	Accepted		WCSP
Quercus substenocarpa Trel.	Synonym		WCSP
Quercus subtriloba Trel.	Synonym		WCSP
Quercus subturbinella Trel.	Synonym		WCSP
Quercus subumbilicata A.Camus	Synonym		WCSP
Quercus subvelutina Schur	Synonym		WCSP
Quercus succulenta Small	Synonym		WCSP
Quercus suchiensis E.F.Warb.	Synonym		WCSP
Quercus × sudworthii Trel. [Unplaced]	Unresolved		WCSP
Quercus suecica Gand. [Invalid]	Synonym		WCSP
Quercus sugaro Mattioli	Synonym		WCSP
Quercus sulcata Vuk.	Synonym		WCSP
Quercus sumatrana Soepadmo	Accepted		WCSP
Quercus × sumimbricaria Sudw.	Unresolved		TRO
Quercus sundaica Fern.-Vill. [Illegitimate]	Synonym		WCSP
Quercus sundaica Blume	Synonym		WCSP
Quercus × superlata Borbás	Synonym		WCSP
Quercus supranitida C.H.Mull.	Accepted		WCSP
Quercus susedana Gand. [Invalid]	Synonym		WCSP
Quercus susedana Vuk.	Synonym		WCSP
Quercus sutchuenensis Franch.	Synonym		WCSP
Quercus svecica Borbás	Synonym		WCSP
Quercus synbalanos Hance	Synonym		WCSP
Quercus synthetica Trel.	Synonym		WCSP
Quercus synthetica var. crenatifolia Trel.	Synonym		WCSP
Quercus syriaca Kotschy	Synonym		WCSP
Quercus syspirensis K.Koch	Synonym		WCSP
Quercus × szechenyana Borbás	Accepted		WCSP
Quercus szovitsii Gand. [Unplaced]	Unresolved		WCSP
Quercus × szovitzii (A.DC.) Zabel [Illegitimate]	Synonym		WCSP
Quercus szowitzii Wenz.	Synonym		WCSP
Quercus × tabajdiana Simonk.	Accepted		WCSP
Quercus tahuasalana Trel.	Synonym		WCSP
Quercus taichuensis Hayata	Synonym		WCSP
Quercus taitoensis Hayata	Synonym		WCSP
Quercus taiyunensis Ling	Synonym		TRO
Quercus × takaoyamensis Makino	Accepted		WCSP
Quercus × takaoyamensis var. yokohamensis Makino	Synonym		WCSP
Quercus takatorensis Makino [Unplaced]	Unresolved		WCSP
Quercus talenceana Gand. [Invalid]	Synonym		WCSP
Quercus taliensis A.Camus	Synonym		WCSP
Quercus tamiapensis C.H.Mull.	Synonym		WCSP
Quercus tanaicensis Gand. [Invalid]	Synonym		WCSP
Quercus tarahumara Spellenb., J.D.Bacon & Breedlove	Accepted		WCSP
Quercus tardiflora Czern. ex Stev.	Synonym		WCSP
Quercus tardifolia C.H.Mull.	Accepted		WCSP
Quercus tarokoensis Hayata	Accepted		WCSP
Quercus tarokoensis f. rugosa Masam.	Synonym		WCSP
Quercus tatakaensis Tomiya	Synonym		WCSP
Quercus tauricola Kotschy	Synonym		WCSP
Quercus taurinensis Gand. [Invalid]	Synonym		WCSP
Quercus tauscheri Gand. [Invalid]	Synonym		WCSP
Quercus tauza Desf.	Synonym		WCSP
Quercus tauzin Pers.	Synonym		WCSP
Quercus tauzinii Bubani	Synonym		WCSP
Quercus tchihatchewii Kotschy ex A.DC.	Synonym		WCSP
Quercus tema Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP
Quercus tennesi Wesm.	Synonym		WCSP
Quercus tenorei (A.DC.) Borzí	Synonym		WCSP
Quercus tenuiaristata Trel.	Synonym		WCSP
Quercus tenuicola Boiss.	Synonym		WCSP
Quercus tenuicupula (Y.C.Hsu & H.Wei Jen) C.C.Huang	Synonym		WCSP
Quercus tenuiloba C.H.Mull.	Synonym		WCSP
Quercus tenuiloba f. gracilis C.H.Mull.	Synonym		WCSP
Quercus tenuiloba f. hirsuta C.H.Mull.	Synonym		WCSP
Quercus tenuis Gand. [Invalid]	Synonym		WCSP
Quercus tephrocarpa Drake	Synonym		WCSP
Quercus tephrochlamys Gand. [Invalid]	Synonym		WCSP
Quercus tephrosia Chun & W.C.Ko	Synonym		WCSP
Quercus tepicana Trel.	Synonym		WCSP
Quercus tepoxuchilensis Trel.	Synonym		WCSP
Quercus tepoxuchilensis f. perplexans Trel.	Synonym		WCSP
Quercus tergestina Wenz.	Synonym		WCSP
Quercus × teriana C.Vicioso	Unresolved		WCSP
Quercus terminaloides Gand. [Invalid]	Synonym		WCSP
Quercus ternaticupula Hayata	Synonym		WCSP
Quercus tetracarpa Vuk.	Synonym		WCSP
Quercus texana Young [Illegitimate]	Synonym		WCSP
Quercus texana Buckley	Accepted		WCSP
Quercus texana Sarg.	Synonym		TRO
Quercus texana var. chesosensis Sarg.	Synonym		WCSP
Quercus texana var. stellapila Sarg.	Synonym		WCSP
Quercus texcocana Trel.	Synonym		WCSP
Quercus texcocana var. ampla Trel.	Synonym		WCSP
Quercus texquitzinae Trel.	Synonym		WCSP
Quercus teysmannii Blume	Synonym		WCSP
Quercus thalassica Hance	Synonym		WCSP
Quercus thalassica var. obtusiglans Dunn	Synonym		TRO
Quercus thalassica var. vestita Franch.	Synonym		WCSP
Quercus × tharpii C.H.Mull.	Accepted		WCSP
Quercus thelecarpa Miq.	Synonym		WCSP
Quercus thelecarpa var. angustata (Blume) Miq.	Synonym		WCSP
Quercus × thellungii A.Camus [Illegitimate]	Synonym		WCSP
Quercus thirkeana K.Koch	Synonym		WCSP
Quercus tholeyroniana Gand. [Invalid]	Synonym		WCSP
Quercus thomasii Ten.	Synonym		WCSP
Quercus thomsoniana A.DC.	Accepted		WCSP
Quercus thomsonii Miq.	Synonym		WCSP
Quercus thomsonii Miq. ex Hook. f.	Synonym		TRO
Quercus thorelii Hickel & A.Camus	Accepted		WCSP
Quercus thracica Stef. & Nedjalkov	Synonym		WCSP
Quercus tiaoloshanica Chun & W.C.Ko	Accepted		WCSP
Quercus tinctoria Bartram	Synonym		WCSP
Quercus tinctoria Michx.	Synonym		TRO
Quercus tinctoria var. angulosa Michx.	Synonym		WCSP
Quercus tinctoria var. californica Torr.	Synonym		WCSP
Quercus tinctoria var. macrophylla Dippel	Synonym		WCSP
Quercus tinctoria var. magnifica Dippel	Synonym		WCSP
Quercus tinctoria f. magnifica Dippel	Synonym		TRO
Quercus tinctoria var. nobilis Dippel	Synonym		WCSP
Quercus tinctoria var. pseudoxalapensis Ettingsh. & Krasan	Synonym		WCSP
Quercus tinctoria var. sinuosa Michx.	Synonym		WCSP
Quercus tinctoria var. willdenowiana Dippel	Synonym		WCSP
Quercus tinfanensis A.Camus	Synonym		WCSP
Quercus × tingitana A.Camus	Accepted		WCSP
Quercus tinkhamii C.H.Mull.	Accepted		WCSP
Quercus × tiszae Simonk. & Fekete	Synonym		WCSP
Quercus tlapuxahuensis A.DC.	Synonym		WCSP
Quercus tlapuxahuensis var. obconica Trel.	Synonym		WCSP
Quercus tlemcenensis (A.DC.) Trab.	Synonym		WCSP
Quercus tlemcenensis var. marocaccana (Braun-Blanq. & Maire) Villar	Synonym		TRO
Quercus tlemcenensis var. maroccana (Braun-Blanq. & Maire) Villar	Synonym		WCSP
Quercus todaroi Gand. [Invalid]	Synonym		WCSP
Quercus tolimensis Bonpl.	Synonym		WCSP
Quercus tomentella Jord. [Unplaced]	Unresolved		WCSP
Quercus tomentella Engelm.	Accepted		WCSP
Quercus tomentella var. conjungens Trel.	Synonym		WCSP
Quercus tomentella f. conjungens (Trel.) Trel.	Synonym		WCSP
Quercus tomentells var. conjugens Trel.	Synonym		TRO
Quercus tomentocaulis C.H.Mull.	Synonym		WCSP
Quercus tomentosa Willd.	Synonym		WCSP
Quercus tomentosa Ehrh. ex A.DC. [Invalid]	Synonym		WCSP
Quercus tomentosa var. abbreviata A.DC.	Synonym		WCSP
Quercus tomentosa var. bullata A.DC.	Synonym		WCSP
Quercus tomentosa var. communis A.DC.	Synonym		WCSP
Quercus tomentosa var. diversifolia (Née) A.DC.	Synonym		WCSP
Quercus tomentosicupula Hayata	Synonym		WCSP
Quercus tomentosinervis (Y.C.Hsu & H.Wei Jen) C.C.Huang	Accepted		WCSP
Quercus tommasinii Kotschy ex Vis. [Invalid]	Synonym		WCSP
Quercus tomoclada Gand. [Invalid]	Synonym		WCSP
Quercus tonaguiae Trel.	Synonym		WCSP
Quercus tonduzii Seemen	Accepted		WCSP
Quercus × topaliae A.Camus	Synonym		WCSP
Quercus torulosa (Vuk.) Raddi	Synonym		WCSP
Quercus torulosa var. granulata Vuk.	Synonym		WCSP
Quercus × tottenii Melvin	Accepted		WCSP
Quercus totutlensis A.DC.	Synonym		WCSP
Quercus toumeyi Sarg.	Accepted		WCSP
Quercus tournefortii Willd.	Synonym		WCSP
Quercus × townei E.J.Palmer	Accepted		WCSP
Quercus toxicodendrifolia Trel.	Synonym		WCSP
Quercus toza Gillet ex Bosc [Invalid]	Synonym		WCSP
Quercus toza Bastard	Synonym		WCSP
Quercus toza var. aurea (Wierzb. ex Rochel) Nyman	Synonym		WCSP
Quercus toza subsp. conferta (Kit.) Nyman	Synonym		WCSP
Quercus toza subsp. conferta (Kit.) Maire & Petitm.	Synonym		TRO
Quercus toza var. humilis Nyman	Synonym		WCSP
Quercus toza subsp. leptobalanus (Guss.) Nyman	Synonym		WCSP
Quercus toza var. normalis Rouy [Invalid]	Synonym		WCSP
Quercus toza var. pendula Dippel	Synonym		WCSP
Quercus toza var. pyrenaica (Willd.) Wenz.	Synonym		WCSP
Quercus toza var. spectabilis (Kit. ex Simonk.) Nyman	Synonym		WCSP
Quercus toza var. sphaerocarpa Rouy	Synonym		WCSP
Quercus toza var. spicata Tourlet	Synonym		WCSP
Quercus toza var. stenocarpa Rouy	Synonym		WCSP
Quercus tozzae Dippel	Synonym		WCSP
Quercus × trabutiana Maire ex St.-Laurent	Synonym		WCSP
Quercus × trabutii Hy	Accepted		WCSP
Quercus tranninhensis Hickel & A.Camus	Synonym		WCSP
Quercus transiens Gand. [Invalid]	Synonym		WCSP
Quercus transiens Reyn. [Unplaced]	Unresolved		WCSP
Quercus transmontana Trel.	Synonym		WCSP
Quercus transmontana var. lata Trel.	Synonym		WCSP
Quercus transmontana f. lata (Trel.) A.Camus	Synonym		WCSP
Quercus transmontana var. obscura (Trel.) A.Camus	Synonym		WCSP
Quercus tregubovii Djav.-Khoie	Synonym		WCSP
Quercus treleaseana A.Camus	Synonym		WCSP
Quercus tremens Gand. [Invalid]	Synonym		WCSP
Quercus treubiana Seemen	Accepted		WCSP
Quercus tribuloides Sm.	Synonym		WCSP
Quercus trichodonta Trel.	Synonym		WCSP
Quercus tricolor Petz. & G.Kirchn.	Synonym		WCSP
Quercus × tridactyla Borbás	Unresolved		WCSP
Quercus tridens Bonpl.	Synonym		WCSP
Quercus × tridentata Engelm. ex A.DC.	Accepted		WCSP
Quercus triloba Michx.	Synonym		WCSP
Quercus trinacria Gand. [Invalid]	Synonym		WCSP
Quercus trinervis H.Lév.	Synonym		WCSP
Quercus trinidadensis C.H.Mull.	Synonym		WCSP
Quercus trinitatis Trel.	Synonym		WCSP
Quercus tristis Gand. [Invalid]	Synonym		WCSP
Quercus tristis Liebm.	Synonym		WCSP
Quercus tristis f. mixcoensis Trel.	Synonym		WCSP
Quercus tristis f. niederleinii Trel.	Synonym		WCSP
Quercus tristis f. sublobata (A.DC.) Trel.	Synonym		WCSP
Quercus tristis var. vulcani Trel.	Synonym		WCSP
Quercus tristis f. vulcani Trel.	Synonym		TRO
Quercus trojana Webb	Accepted		WCSP
Quercus trojana subsp. euboica (Papaioann.) K.I.Chr.	Accepted		WCSP
Quercus trojana f. macrobalana Gavioli	Synonym		WCSP
Quercus trojana subsp. trojana	Accepted		WCSP
Quercus truncata King ex Hook.f.	Synonym		WCSP
Quercus truncatula Jord. [Unplaced]	Unresolved		WCSP
Quercus tsinglingensis S.L.Liou ex S.Z.Qu & W.H.Zhang	Accepted		WCSP
Quercus tsoi Chun ex Menitsky	Synonym		WCSP
Quercus tuberculata Liebm.	Accepted		WCSP
Quercus tuberculata f. latifolia Martínez	Synonym		WCSP
Quercus × tufae Simonk.	Synonym		WCSP
Quercus tuitensis L.M.González	Accepted		WCSP
Quercus tukhtensis Czeczott	Synonym		WCSP
Quercus tungmaiensis Y.T.Chang	Accepted		WCSP
Quercus tunkinensis Drake	Synonym		WCSP
Quercus turbinata Roxb.	Synonym		WCSP
Quercus turbinata Kit.	Synonym		WCSP
Quercus turbinata Liebm.	Synonym		WCSP
Quercus turbinata Blume	Synonym		WCSP
Quercus turbinata var. crassilamellata Gamble	Synonym		WCSP
Quercus turbinella Greene	Accepted		WCSP
Quercus turbinella var. ajoensis (C.H.Mull.) Little	Synonym		WCSP
Quercus turbinella subsp. ajoensis (C.H. Mull.) Felger & C.H. Lowe	Synonym		TRO
Quercus turbinella var. californica (Tucker) L.D.Benson	Synonym		WCSP
Quercus turbinella subsp. californica Tucker	Synonym		WCSP
Quercus × turneri A.DC.	Synonym		WCSP
Quercus × turneri Willd. [Unplaced]	Unresolved		WCSP
Quercus × turneri var. pseudoturneri (C.K.Schneid.) Elwes & A.Henry	Synonym		WCSP
Quercus tyrolensis Gand. [Invalid]	Synonym		WCSP
Quercus uberta Gand. [Invalid]	Synonym		WCSP
Quercus uchiyamana Nakai	Synonym		WCSP
Quercus ucriae Borzí	Synonym		WCSP
Quercus uhdeana Trel.	Synonym		WCSP
Quercus uliginosa Wangenh.	Synonym		WCSP
Quercus uliginosa var. laurifolia (Michx.) Zabel	Synonym		TRO
Quercus umbonata Hance	Synonym		WCSP
Quercus umbrosa Endl.	Synonym		WCSP
Quercus undata Trel.	Accepted		WCSP
Quercus undulata K.Koch [Illegitimate]	Synonym		WCSP
Quercus × undulata Torr.	Accepted		WCSP
Quercus undulata Kit. [Illegitimate]	Synonym		WCSP
Quercus undulata Engelm. [Illegitimate]	Synonym		WCSP
Quercus undulata Benth. [Illegitimate]	Synonym		WCSP
Quercus undulata var. breviloba (Torr.) Engelm.	Synonym		WCSP
Quercus undulata var. gambelii (Nutt.) Engelm.	Synonym		WCSP
Quercus undulata var. grandifolia Engelm.	Synonym		WCSP
Quercus undulata var. grisea (Liebm.) Engelm.	Synonym		WCSP
Quercus undulata var. gunnisonii (Torr. & A.Gray) Engelm.	Synonym		WCSP
Quercus × undulata var. heterophylla Kuntze	Synonym		WCSP
Quercus × undulata var. jamesii Engelm.	Synonym		WCSP
Quercus × undulata var. obtusifolia A.DC.	Synonym		WCSP
Quercus × undulata var. pedunculata A.DC.	Synonym		WCSP
Quercus undulata var. pungens (Liebm.) Engelm.	Synonym		WCSP
Quercus × undulata var. rydbergiana Cockerell	Synonym		WCSP
Quercus undulata var. vaseyana (Buckley) Rydb.	Synonym		WCSP
Quercus undulata var. vaseyana (Buckley) C.H. Mull.	Synonym		TRO
Quercus undulata var. wrightii Engelm.	Synonym		WCSP
Quercus undulatidens Gand. [Invalid]	Synonym		WCSP
Quercus undulatifolia H.Lév. ex Nakai	Synonym		WCSP
Quercus ungeri Kotschy	Synonym		WCSP
Quercus uraiana Hayata	Synonym		WCSP
Quercus × urartensis Uribe-Ech.	Accepted		WCSP
Quercus urbanii Trel.	Accepted		WCSP
Quercus urbanii f. parvifolia Martínez	Synonym		WCSP
Quercus urbica Gand. [Invalid]	Synonym		WCSP
Quercus urceolaris Jack	Synonym		WCSP
Quercus urticifolia Blume	Synonym		WCSP
Quercus urticifolia var. brevipetiolata A.DC.	Synonym		WCSP
Quercus uruapanensis Trel.	Synonym		WCSP
Quercus utahensis (A.DC.) Rydb.	Synonym		WCSP
Quercus utahensis var. mollis Sarg.	Synonym		WCSP
Quercus utahensis subsp. submollis (Rydb.) A.Camus	Synonym		WCSP
Quercus utahensis var. submolllis (Rydb.) Sarg.	Synonym		WCSP
Quercus utilis Hu & W.C.Cheng	Accepted		WCSP
Quercus uvariifolia Hance	Synonym		WCSP
Quercus uxoris McVaugh	Accepted		WCSP
Quercus vacciniifolia Kellogg	Accepted		WCSP
Quercus × vaga E.J.Palmer & Steyerm.	Accepted		WCSP
Quercus × valachica Beldie [Unplaced]	Unresolved		WCSP
Quercus valdinervosa Soepadmo	Accepted		WCSP
Quercus valentina Lam. ex Steud. [Invalid]	Synonym		WCSP
Quercus valentina Cav.	Synonym		WCSP
Quercus valida Kotschy ex A.DC.	Synonym		WCSP
Quercus valida Gand. [Invalid]	Synonym		WCSP
Quercus vallicola Gand. [Invalid]	Synonym		WCSP
Quercus vallicola Trel.	Accepted		WCSP
Quercus vallisclausae Gand. [Invalid]	Synonym		WCSP
Quercus vallonea Kotschy	Synonym		WCSP
Quercus vallonea A.DC.	Synonym		WCSP
Quercus vaniotii H.Lév.	Synonym		WCSP
Quercus variabilis Blume	Accepted		WCSP
Quercus variabilis var. megaphylla T.B. Chao	Synonym		TRO
Quercus variabilis var. pyramidalis T.B.Chao, Z.I.Chang & W.C.Li	Synonym		WCSP
Quercus variabilis var. zhongtiaoensis D.F.Ke & X.M.Liu	Synonym		WCSP
Quercus varians M.Martens & Galeotti	Synonym		WCSP
Quercus variegata Lodd. ex Steud.	Synonym		WCSP
Quercus variifolia Sweet	Synonym		WCSP
Quercus varingifolia Miq.	Synonym		WCSP
Quercus variolosa Franch.	Synonym		WCSP
Quercus vaseyana Buckley	Accepted		WCSP
Quercus vellifera Trel.	Synonym		WCSP
Quercus velutina L'Hér. ex A.DC. [Illegitimate]	Synonym		WCSP
Quercus velutina Lindl. ex Wall. [Illegitimate]	Synonym		WCSP
Quercus velutina Lam.	Accepted		WCSP
Quercus velutina f. angulosa (Michx.) Trel.	Synonym		WCSP
Quercus velutina f. dilaniata Trel.	Synonym		WCSP
Quercus velutina var. macrophylla (Dippel) Trel.	Synonym		WCSP
Quercus velutina f. magnifica (Dippel) Trel.	Synonym		WCSP
Quercus velutina var. missouriensis (Ashe) Sarg.	Synonym		WCSP
Quercus velutina f. missouriensis (Ashe) Trel.	Synonym		WCSP
Quercus velutina f. nobilis (Dippel) Trel.	Synonym		WCSP
Quercus velutina f. obovata Trel.	Synonym		WCSP
Quercus velutina f. sinuosa (Michx.) Trel.	Synonym		WCSP
Quercus veneris A.Kern.	Synonym		WCSP
Quercus ventricosa Koehne	Synonym		WCSP
Quercus × venulosa Ashe	Accepted		WCSP
Quercus × venustula Greene	Synonym		WCSP
Quercus verde C.H.Mull.	Accepted		WCSP
Quercus verecunda Gand. [Invalid]	Synonym		WCSP
Quercus vergens Gand. [Invalid]	Synonym		WCSP
Quercus vernixia Gand. [Invalid]	Synonym		WCSP
Quercus verrucosa Raf.	Synonym		WCSP
Quercus verrucosirama Trel.	Synonym		WCSP
Quercus versatilis Gand. [Invalid]	Synonym		WCSP
Quercus versicolor Raf.	Synonym		WCSP
Quercus vertesiensis Kit. [Unplaced]	Unresolved		WCSP
Quercus vesca Kotschy	Synonym		WCSP
Quercus vestita Rehder & E.H.Wilson [Illegitimate]	Synonym		WCSP
Quercus vestita Griff.	Accepted		WCSP
Quercus vexans Trel.	Synonym		WCSP
Quercus vialis Gand. [Invalid]	Synonym		WCSP
Quercus vibrayeana Franch. & Sav.	Synonym		WCSP
Quercus vicentensis Trel.	Accepted		WCSP
Quercus vidalii Fern.-Vill.	Synonym		WCSP
Quercus × villariana A.Camus	Synonym		WCSP
Quercus villosa Walter	Synonym		WCSP
Quercus × vilmoriniana A.Camus [Unplaced]	Unresolved		WCSP
Quercus viminalis Bosc	Synonym		WCSP
Quercus viminea Trel.	Accepted		WCSP
Quercus vinealis Gand. [Invalid]	Synonym		WCSP
Quercus virens Aiton	Synonym		WCSP
Quercus virens var. dentata Chapm.	Synonym		WCSP
Quercus virens var. maritima (Michx.) Chapm.	Synonym		WCSP
Quercus virgata Martrin-Donos	Synonym		WCSP
Quercus virgiliana (Ten.) Ten.	Synonym		WCSP
Quercus virgiliana var. blattnyana Mátyás	Synonym		WCSP
Quercus virgiliana f. diversifrons (Borbás) Soó	Synonym		WCSP
Quercus virgiliana f. pachytricha (Borbás) Soó	Synonym		WCSP
Quercus virgiliana f. streimii (Heuff.) Mátyás	Synonym		WCSP
Quercus virgiliana var. tenorei (A.DC.) O.Schwarz	Synonym		WCSP
Quercus virgiliana f. typica (Posp.) O.Schwarz	Synonym		WCSP
Quercus virginiana Mill.	Accepted		WCSP
Quercus virginiana subsp. dentata (Chapm.) A.E.Murray	Synonym		WCSP
Quercus virginiana var. dentata (Chapm.) Sarg.	Synonym		WCSP
Quercus virginiana var. eximea Sarg.	Synonym		WCSP
Quercus virginiana var. fusiformis (Small) Sarg.	Synonym		WCSP
Quercus virginiana subsp. fusiformis (Small) A.E.Murray	Synonym		WCSP
Quercus virginiana var. geminata (Small) Sarg.	Synonym		TRO
Quercus virginiana var. grandifolia Sarg.	Synonym		WCSP
Quercus virginiana f. grandifolia Sarg.	Synonym		TRO
Quercus virginiana var. macrophylla Sarg.	Synonym		WCSP
Quercus virginiana f. macrophylla (Sarg.) Trel.	Synonym		TRO
Quercus virginiana var. maritima (Michx.) Sarg.	Synonym		WCSP
Quercus virginiana var. minima Sarg.	Synonym		WCSP
Quercus virginiana var. pygmaea Sarg.	Synonym		WCSP
Quercus virginiana var. sagraeana (Nutt.) Trel.	Synonym		WCSP
Quercus virginiana var. virescens Sarg.	Synonym		WCSP
Quercus virginiana f. virescens (Sarg.) Trel.	Synonym		TRO
Quercus viridis Hansen [Unplaced]	Unresolved		WCSP
Quercus × viveri Sennen ex A.Camus	Accepted		WCSP
Quercus volhynica Gand. [Invalid]	Synonym		WCSP
Quercus vreelandii Rydb.	Synonym		WCSP
Quercus vukotinocicii Borbás	Synonym		WCSP
Quercus vukotinovicii Gand. [Invalid]	Synonym		WCSP
Quercus vulcanica Boiss. & Heldr. ex Kotschy	Accepted		WCSP
Quercus vulcanica var. nebrodensis Borzí	Synonym		WCSP
Quercus vulgaris Bubani	Synonym		WCSP
Quercus × wagneri Gaynor	Accepted		WCSP
Quercus wahusiensis Gand. [Invalid]	Synonym		WCSP
Quercus wallichiana Lindl. ex Hance	Synonym		WCSP
Quercus × walteriana Ashe	Accepted		WCSP
Quercus wangii Hu & W.C.Cheng	Synonym		WCSP
Quercus wangsaiensis Barnett	Synonym		WCSP
Quercus × warburgii A.Camus [Unplaced]	Unresolved		WCSP
Quercus × warei T.L.Green & W.J.Hess [Unplaced]	Unresolved		WCSP
Quercus warscewiczii Liebm.	Synonym		TRO
Quercus warszewiczii Liebm.	Synonym		WCSP
Quercus webbei Amo [Unplaced]	Unresolved		WCSP
Quercus welandii Simonk.	Synonym		WCSP
Quercus welshii R.A.Denham	Accepted		WCSP
Quercus × welwitschii Samp. [Illegitimate]	Synonym		WCSP
Quercus wenzelii Merr.	Synonym		WCSP
Quercus wenzigiana King ex Hook.f.	Synonym		WCSP
Quercus wesmaelii Trel.	Synonym		WCSP
Quercus wilcoxii Rydb.	Synonym		WCSP
Quercus wilhelminae Seemen	Synonym		WCSP
Quercus × willdenowiana (Dippel) Beissn., Schelle & Zabel	Accepted		WCSP
Quercus wilsonii Seemen	Synonym		WCSP
Quercus winkleriana (Schottky) Merr.	Synonym		WCSP
Quercus winklerianus Merr.	Unresolved		TRO
Quercus wislizeni A.DC.	Accepted		WCSP
Quercus wislizeni f. extima Jeps.	Synonym		WCSP
Quercus wislizeni var. extima (Jeps.) Jeps.	Synonym		WCSP
Quercus wislizeni subsp. frutescens (Engelm.) A.E.Murray	Synonym		WCSP
Quercus wislizeni var. frutescens Engelm.	Accepted		WCSP
Quercus wislizeni f. parvula (Greene) Trel.	Synonym		WCSP
Quercus wislizeni var. wislizeni	Accepted		WCSP
Quercus wolgensis Gand. [Invalid]	Synonym		WCSP
Quercus woodii Hance	Synonym		WCSP
Quercus woronowii Maleev	Synonym		WCSP
Quercus wrayi King	Synonym		WCSP
Quercus wrightii Nakai	Synonym		WCSP
Quercus wutaishanica Mayr	Accepted		WCSP
Quercus xalapensis Bonpl.	Accepted		WCSP
Quercus xalapensis f. jalapae Trel.	Synonym		WCSP
Quercus xalapensis var. longifolia (A.DC.) Wenz.	Synonym		WCSP
Quercus xalapensis f. surculina Trel.	Synonym		WCSP
Quercus xanthoclada Drake	Accepted		WCSP
Quercus xanthotricha A.Camus	Accepted		WCSP
Quercus xizangensis (Y.C.Hsu & H.Wei Jen) C.C.Huang & Y.T.Chang	Synonym		WCSP
Quercus xylina Scheidw.	Synonym		WCSP
Quercus xylocarpa Kurz	Synonym		WCSP
Quercus yayamensis Koidz.	Synonym		WCSP
Quercus yingjiangensis (Y.C.Hsu & Q.Z.Dong) Govaerts	Accepted		WCSP
Quercus yiwuensis Y.C.Hsu & H.Wei Jen	Accepted		WCSP
Quercus × yokohamensis (Makino) Makino ex H.Ohba	Accepted		WCSP
Quercus × yokohamensis (Makino) Makino	Synonym		TRO
Quercus yonganensis L.K.Ling & C.C.Huang	Accepted		WCSP
Quercus yongchunana Z.K.Zhou	Accepted		WCSP
Quercus yoroensis Trel.	Synonym		WCSP
Quercus yoroensis var. aguanana Trel.	Synonym		WCSP
Quercus yousei Trel.	Synonym		WCSP
Quercus yuii Liou	Synonym		WCSP
Quercus yunckeri Trel.	Synonym		WCSP
Quercus yunnanensis Franch.	Synonym		WCSP
Quercus zagrabiensis Gand. [Invalid]	Synonym		WCSP
Quercus zang Dippel	Synonym		WCSP
Quercus zempoaltepecana Trel.	Synonym		WCSP
Quercus zschokkei Elmer	Synonym		WCSP