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⚠ Version 1 of The Plant List has been superseded.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 Ceanothus excelsus; we will try Ceanothus instead.

339 plant name records match your search criteria Ceanothus. The results are below.

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

The results can also be downloaded as a CSV file.

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

Name	Status	Confi­dence level	Source
Ceanothus africanus L.	Unresolved		WCSP (in review)
Ceanothus alamanii DC.	Synonym		WCSP (in review)
Ceanothus americanus L.	Accepted		WCSP (in review)
Ceanothus americanus var. glaber Alph.Wood	Synonym		WCSP (in review)
Ceanothus americanus var. herbaceus (Raf.) Torr. & A.Gray	Synonym		WCSP (in review)
Ceanothus americanus var. intermedius (Pursh) Torr. & A.Gray	Synonym		WCSP (in review)
Ceanothus americanus var. pitcheri Torr. & A.Gray	Synonym		WCSP (in review)
Ceanothus andersonii Parry	Synonym		WCSP (in review)
Ceanothus arborescens Mill.	Synonym		WCSP (in review)
Ceanothus arboreus Greene	Accepted		WCSP (in review)
Ceanothus arboreus var. glaber Jeps.	Synonym		WCSP (in review)
Ceanothus × arcuatus McMinn	Accepted		WCSP (in review)
Ceanothus × arnoldii Dippel	Unresolved		WCSP (in review)
Ceanothus asiaticus L.	Synonym		WCSP (in review)
Ceanothus atropurpureus Raf.	Unresolved		WCSP (in review)
Ceanothus australis Rose	Synonym		WCSP (in review)
Ceanothus austromontanus Abrams	Synonym		WCSP (in review)
Ceanothus axillaris Carrière	Synonym		WCSP (in review)
Ceanothus azureus Desf.	Synonym		WCSP (in review)
Ceanothus azureus Kellogg	Synonym		WCSP (in review)
Ceanothus azureus Desf. ex DC.	Synonym		TRO
Ceanothus azureus var. parvifolius S.Watson	Synonym		WCSP (in review)
Ceanothus × bakeri Greene ex McMinn	Accepted		WCSP (in review)
Ceanothus baumannianus Spach	Synonym		WCSP (in review)
Ceanothus bertinii Carrière	Synonym		WCSP (in review)
Ceanothus bicolor Willd. ex Schult. & Schult.f.	Synonym		WCSP (in review)
Ceanothus bolensis S.Boyd & J.E.Keeley	Accepted		WCSP (in review)
Ceanothus × burkwoodii auct. [Unplaced]	Unresolved		WCSP (in review)
Ceanothus × burtonensis Renss.	Unresolved		WCSP (in review)
Ceanothus buxifolius Willd. ex Schult. & Schult.f.	Accepted		WCSP (in review)
Ceanothus caeruleus Lag.	Accepted		WCSP (in review)
Ceanothus californicus Kellogg	Synonym		WCSP (in review)
Ceanothus californicus Keller ex K.Brandegee	Synonym		WCSP (in review)
Ceanothus candolleanus Rose	Synonym		WCSP (in review)
Ceanothus capensis DC.	Unresolved		WCSP (in review)
Ceanothus capsularis G.Forst.	Synonym		WCSP (in review)
Ceanothus celtidifolius Cham. & Schltdl.	Synonym		WCSP (in review)
Ceanothus chloroxylon Nees	Unresolved		WCSP (in review)
Ceanothus circumscissus Gaertn.	Unresolved		WCSP (in review)
Ceanothus collinus Douglas ex Knowles & Westc.	Unresolved		WCSP (in review)
Ceanothus colubrinus Lam.	Synonym		WCSP (in review)
Ceanothus confusus J.T.Howell	Unresolved		WCSP (in review)
Ceanothus connivens Greene	Accepted		WCSP (in review)
Ceanothus cordulatus Kellogg	Accepted		WCSP (in review)
Ceanothus crassifolius Torr.	Accepted		WCSP (in review)
Ceanothus crassifolius var. planus Abrams	Synonym		WCSP (in review)
Ceanothus cubensis (Jacq.) Lam.	Synonym		WCSP (in review)
Ceanothus cuneatus (Hook.) Nutt.	Accepted		WCSP (in review)
Ceanothus cuneatus A.Gray [Illegitimate]	Unresolved		WCSP (in review)
Ceanothus cuneatus K.Brandegee [Unplaced]	Unresolved		WCSP (in review)
Ceanothus cuneatus var. cinerascens Hook. & Arn.	Synonym		WCSP (in review)
Ceanothus cuneatus var. dubius J.T.Howell	Synonym		WCSP (in review)
Ceanothus cuneatus subsp. fascicularis (McMinn) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus cuneatus var. fascicularis (McMinn) Hoover	Synonym		WCSP (in review)
Ceanothus cuneatus var. macrocarpus K.Brandegee	Synonym		WCSP (in review)
Ceanothus cuneatus var. ramulosus Greene	Synonym		WCSP (in review)
Ceanothus cuneatus subsp. rigidus (Nutt.) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus cuneatus var. rigidus (Nutt.) Hoover	Synonym		WCSP (in review)
Ceanothus cuneatus var. rufescens Hook. & Arn.	Synonym		WCSP (in review)
Ceanothus cuneatus subsp. sonomensis (Howell) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus cuneatus var. submontanus (Rose) McMinn	Synonym		WCSP (in review)
Ceanothus × cyam L.W.Lenz [Unplaced]	Unresolved		WCSP (in review)
Ceanothus cyaneus Eastw.	Accepted		WCSP (in review)
Ceanothus decumbens Steud.	Synonym		WCSP (in review)
Ceanothus decumbens S.Watson	Synonym		WCSP (in review)
Ceanothus × delilianus Spach	Unresolved		WCSP (in review)
Ceanothus dentatus Torr. & A.Gray	Accepted		WCSP (in review)
Ceanothus dentatus var. dickeyi Fosberg	Synonym		WCSP (in review)
Ceanothus dentatus var. floribundus (Hook.) Trel.	Synonym		WCSP (in review)
Ceanothus dentatus subsp. floribundus (Hook.) Trel.	Synonym		TRO
Ceanothus dentatus subsp. lobbianus (Hook.) Trel.	Synonym		WCSP (in review)
Ceanothus dentatus var. lobbianus (Hook.) Jeps.	Synonym		WCSP (in review)
Ceanothus dentatus var. papillosus (Torr. & A.Gray) K.Brandegee	Synonym		WCSP (in review)
Ceanothus depressus Benth.	Accepted		WCSP (in review)
Ceanothus dillenianus K.Koch	Synonym		WCSP (in review)
Ceanothus discolor Vent.	Synonym		WCSP (in review)
Ceanothus divaricatus Nutt.	Synonym		WCSP (in review)
Ceanothus divaricatus Bol. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus divaricatus var. eglandulosus Torr.	Synonym		WCSP (in review)
Ceanothus divaricatus var. grosseserratus Torr.	Synonym		WCSP (in review)
Ceanothus divaricatus var. laetiflorus Jeps.	Synonym		WCSP (in review)
Ceanothus divergens Poepp. ex Endl.	Unresolved		WCSP (in review)
Ceanothus divergens Parry	Synonym		WCSP (in review)
Ceanothus divergens subsp. confusus (J.T.Howell) Abrams	Synonym		WCSP (in review)
Ceanothus divergens subsp. occidentalis (McMinn) Abrams	Synonym		WCSP (in review)
Ceanothus diversifolius Kellogg	Accepted		WCSP (in review)
Ceanothus diversifolius var. foliosus (Parry) K.Brandegee	Synonym		WCSP (in review)
Ceanothus durangoinus Loes.	Synonym		WCSP (in review)
Ceanothus eglandulosus (Torr.) Trel.	Synonym		WCSP (in review)
Ceanothus elegans Lem.	Synonym		WCSP (in review)
Ceanothus ellipticus Raf.	Synonym		WCSP (in review)
Ceanothus elongatus Salisb.	Unresolved		WCSP (in review)
Ceanothus endlichii Loes.	Synonym		WCSP (in review)
Ceanothus excelsa (Fenzl) Steud.	Synonym		WCSP (in review)
Ceanothus fendleri A.Gray	Accepted		WCSP (in review)
Ceanothus fendleri var. venosus Trel.	Synonym		WCSP (in review)
Ceanothus fendleri var. viridis A.Gray ex Trel.	Synonym		WCSP (in review)
Ceanothus ferox Standl.	Synonym		WCSP (in review)
Ceanothus ferreus (Vahl) DC.	Synonym		WCSP (in review)
Ceanothus ferrisiae McMinn	Accepted		WCSP (in review)
Ceanothus ferrugineus J.C.Wendl. ex Steud.	Synonym		WCSP (in review)
Ceanothus × flexilis McMinn	Accepted		WCSP (in review)
Ceanothus floribundus Hook.	Synonym		WCSP (in review)
Ceanothus foliosus Parry	Accepted		WCSP (in review)
Ceanothus foliosus subsp. medius (McMinn) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus foliosus var. medius McMinn	Synonym		WCSP (in review)
Ceanothus foliosus subsp. vineatus (McMinn) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus foliosus var. vineatus McMinn	Synonym		WCSP (in review)
Ceanothus fontanesianus Spach	Synonym		WCSP (in review)
Ceanothus fresnensis Dudley ex Abrams	Accepted		WCSP (in review)
Ceanothus glaber Dum.Cours. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus glaber Spach [Unplaced]	Unresolved		WCSP (in review)
Ceanothus × glaber Trel. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus glandulosus Raf.	Synonym		WCSP (in review)
Ceanothus glandulosus Schltdl. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus globulosus Labill.	Unresolved		WCSP (in review)
Ceanothus glomeratus Raf.	Synonym		WCSP (in review)
Ceanothus gloriosus J.T.Howell	Accepted		WCSP (in review)
Ceanothus gloriosus subsp. exaltatus (Howell) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus gloriosus var. exaltatus J.T.Howell	Synonym		WCSP (in review)
Ceanothus gloriosus subsp. masonii (McMinn) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus gloriosus subsp. porrectus (Howell) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus gloriosus var. porrectus J.T.Howell	Synonym		WCSP (in review)
Ceanothus goldmanii Rose	Synonym		WCSP (in review)
Ceanothus grandiflorus Dippel	Synonym		WCSP (in review)
Ceanothus grandis Douglas ex Hook.	Synonym		WCSP (in review)
Ceanothus granulosus Ruiz & Pav.	Synonym		WCSP (in review)
Ceanothus greggii A.Gray	Accepted		WCSP (in review)
Ceanothus greggii var. franklinii S.L.Welsh	Synonym		WCSP (in review)
Ceanothus greggii subsp. franklinii (S.L.Welsh) Kartesz & Gandhi	Accepted		WCSP (in review)
Ceanothus greggii var. lanuginosa M.E.Jones	Synonym		WCSP (in review)
Ceanothus greggii var. orbicularis E.H.Kelso	Synonym		WCSP (in review)
Ceanothus greggii var. perplexans (Trel.) Jeps.	Synonym		WCSP (in review)
Ceanothus greggii subsp. perplexans (Trel.) R.M.Beauch.	Accepted		WCSP (in review)
Ceanothus greggii var. vestitus (Greene) McMinn	Synonym		WCSP (in review)
Ceanothus greggii subsp. vestitus (Greene) Thorne	Accepted		WCSP (in review)
Ceanothus griseus (Trel. ex B.L.Rob.) McMinn	Accepted		WCSP (in review)
Ceanothus griseus var. horizontalis McMinn	Synonym		WCSP (in review)
Ceanothus guadalupae Steud. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus guineensis DC.	Synonym		WCSP (in review)
Ceanothus hearstiorum Hoover & Roof	Accepted		WCSP (in review)
Ceanothus herbaceus Raf.	Accepted		WCSP (in review)
Ceanothus herbaceus var. pubescens (Torr. & A.Gray ex S.Watson) Shinners	Synonym		WCSP (in review)
Ceanothus hirsutus Nutt.	Synonym		WCSP (in review)
Ceanothus hirsutus var. glaber (S.Watson) S.Watson	Synonym		WCSP (in review)
Ceanothus hirsutus var. orcuttii Trel.	Synonym		WCSP (in review)
Ceanothus huichagorare Loes.	Synonym		WCSP (in review)
Ceanothus × humboldtensis Roof [Unplaced]	Unresolved		WCSP (in review)
Ceanothus hybridus K.Koch	Synonym		WCSP (in review)
Ceanothus hypericoides L'Hér. ex DC.	Synonym		WCSP (in review)
Ceanothus impressus Trel.	Accepted		WCSP (in review)
Ceanothus impressus var. nipomensis McMinn	Synonym		WCSP (in review)
Ceanothus incanus Torr. & A.Gray	Accepted		WCSP (in review)
Ceanothus incanus f. spinossimus F.K.Klein	Synonym		WCSP (in review)
Ceanothus infestus Kunth	Synonym		WCSP (in review)
Ceanothus insularis Eastw.	Synonym		WCSP (in review)
Ceanothus integerrimus Hook. & Arn.	Accepted		WCSP (in review)
Ceanothus integerrimus var. californicus (Kellogg) G.T.Benson	Synonym		WCSP (in review)
Ceanothus integerrimus var. macrothyrsus (Torr.) G.T.Benson	Synonym		WCSP (in review)
Ceanothus integerrimus var. mogollonicus (Greene) McMinn	Synonym		WCSP (in review)
Ceanothus integerrimus var. parryi (Trel.) K.Brandegee	Synonym		WCSP (in review)
Ceanothus integerrimus var. parvifolius S.Watson	Synonym		WCSP (in review)
Ceanothus integerrimus var. peduncularis Jeps.	Synonym		WCSP (in review)
Ceanothus integerrimus var. puberulus (Greene) Abrams	Synonym		WCSP (in review)
Ceanothus intermedius Pursh	Synonym		WCSP (in review)
Ceanothus intermedius Hook.	Synonym		WCSP (in review)
Ceanothus × intermedius Koehne [Unplaced]	Unresolved		WCSP (in review)
Ceanothus intricatus Parry	Synonym		WCSP (in review)
Ceanothus jepsonii Greene	Accepted		WCSP (in review)
Ceanothus jepsonii subsp. albiflorus (Howell) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus jepsonii var. albiflorus J.T.Howell	Synonym		WCSP (in review)
Ceanothus jepsonii var. purpureus (Jeps.) Jeps.	Synonym		WCSP (in review)
Ceanothus laevigatus (Vahl) DC.	Synonym		WCSP (in review)
Ceanothus laevigatus Hook. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus laevigatus Howell [Unplaced]	Unresolved		WCSP (in review)
Ceanothus laevigatus var. guadalupae DC.	Synonym		WCSP (in review)
Ceanothus lancifolius Moench	Unresolved		WCSP (in review)
Ceanothus laniger Andrews	Synonym		WCSP (in review)
Ceanothus lanuginosus (M.E.Jones) Rose	Accepted		WCSP (in review)
Ceanothus latifolius Raf.	Synonym		WCSP (in review)
Ceanothus lemmonii Parry	Accepted		WCSP (in review)
Ceanothus leschenaultii DC. [Unplaced]	Unresolved		WCSP (in review)
Ceanothus leucodermis Greene	Accepted		WCSP (in review)
Ceanothus levigatus Raf.	Synonym		WCSP (in review)
Ceanothus × lobbianus Hook.	Accepted		WCSP (in review)
Ceanothus × lorenzenii (Jeps.) McMinn	Accepted		WCSP (in review)
Ceanothus macrocarpus Cav.	Synonym		WCSP (in review)
Ceanothus macrocarpus Moç. & Sessé ex DC. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus macrocarpus Nutt. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus macrocarpus Steud. [Invalid]	Synonym		WCSP (in review)
Ceanothus macrophyllus Desf.	Synonym		WCSP (in review)
Ceanothus macrophyllus Dippel	Synonym		WCSP (in review)
Ceanothus macrothyrsus (Torr.) Greene	Synonym		WCSP (in review)
Ceanothus maritimus Hoover	Accepted		WCSP (in review)
Ceanothus martinii M.E.Jones	Accepted		WCSP (in review)
Ceanothus masonii McMinn	Synonym		WCSP (in review)
Ceanothus megacarpus Nutt.	Accepted		WCSP (in review)
Ceanothus megacarpus Brandegee [Illegitimate]	Synonym		WCSP (in review)
Ceanothus megacarpus var. insularis (Eastw.) Munz	Synonym		WCSP (in review)
Ceanothus megacarpus subsp. insularis (Eastw.) P.H.Raven	Accepted		WCSP (in review)
Ceanothus megacarpus var. pendulus McMinn	Synonym		WCSP (in review)
Ceanothus × mendocinensis McMinn	Accepted		WCSP (in review)
Ceanothus microphyllus Michx.	Accepted		WCSP (in review)
Ceanothus microphyllus var. serpyllifolius (Nutt.) Alph.Wood	Synonym		WCSP (in review)
Ceanothus milleri Tausch	Synonym		WCSP (in review)
Ceanothus mocinianus DC. [Unplaced]	Unresolved		WCSP (in review)
Ceanothus mogollonicus Greene	Synonym		WCSP (in review)
Ceanothus multiflorus Dippel	Synonym		WCSP (in review)
Ceanothus myrianthus Greene	Synonym		WCSP (in review)
Ceanothus mystacinus DC.	Unresolved		WCSP (in review)
Ceanothus napalensis Wall.	Unresolved		WCSP (in review)
Ceanothus neumannii Tausch [Unplaced]	Unresolved		WCSP (in review)
Ceanothus nevadensis Kellogg	Synonym		WCSP (in review)
Ceanothus nitidus Torr.	Synonym		WCSP (in review)
Ceanothus oblanceolatus Davidson [Unplaced]	Unresolved		WCSP (in review)
Ceanothus ochraceus Suess.	Accepted		WCSP (in review)
Ceanothus officinalis Raf.	Synonym		WCSP (in review)
Ceanothus oliganthus Nutt.	Accepted		WCSP (in review)
Ceanothus oliganthus var. hirsutus K.Brandegee	Synonym		WCSP (in review)
Ceanothus oliganthus var. orcutii (Parry) Jeps.	Synonym		WCSP (in review)
Ceanothus oliganthus subsp. sorediatus (Hook. & Arn.) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus oliganthus var. sorediatus (Hook. & Arn.) Hoover	Synonym		WCSP (in review)
Ceanothus oliganthus var. tomentosus (Parry) K.Brandegee	Synonym		WCSP (in review)
Ceanothus ophiochilus S.Boyd, T.Ross & Arnseth	Accepted		WCSP (in review)
Ceanothus orcuttii Parry	Synonym		WCSP (in review)
Ceanothus oreganus Nutt.	Synonym		WCSP (in review)
Ceanothus × otayensis McMinn	Accepted		WCSP (in review)
Ceanothus ovalifolius Wender.	Synonym		WCSP (in review)
Ceanothus ovalis Bigelow	Synonym		WCSP (in review)
Ceanothus ovatus Desf.	Synonym		WCSP (in review)
Ceanothus ovatus Lindl.	Synonym		WCSP (in review)
Ceanothus ovatus var. pubescens Torr. & A.Gray ex S.Watson	Synonym		WCSP (in review)
Ceanothus ovatus f. pubescens (S.Watson) Soper	Synonym		WCSP (in review)
Ceanothus × pallidus Lindl.	Unresolved		WCSP (in review)
Ceanothus × pallidus Koehne [Unplaced]	Unresolved		WCSP (in review)
Ceanothus palmeri Trel.	Accepted		WCSP (in review)
Ceanothus paniculatus Roth	Synonym		WCSP (in review)
Ceanothus papillosus Torr. & A.Gray	Accepted		WCSP (in review)
Ceanothus papillosus var. dentatus (Torr. & A.Gray) Parry	Synonym		WCSP (in review)
Ceanothus papillosus var. floribundus (Hook.) Parry	Synonym		WCSP (in review)
Ceanothus papillosus var. regius Jeps.	Synonym		WCSP (in review)
Ceanothus papillosus var. roweanus McMinn	Synonym		WCSP (in review)
Ceanothus papillosus subsp. roweanus (McMinn) Munz	Synonym		WCSP (in review)
Ceanothus parryi Trel.	Accepted		WCSP (in review)
Ceanothus parvifolius (S.Watson) Trel.	Accepted		WCSP (in review)
Ceanothus parvifolius Coult.	Synonym		WCSP (in review)
Ceanothus parvifolius (S.Watson) Rose	Unresolved		WCSP (in review)
Ceanothus pauciflorus Moç. & Sessé ex DC. [Unplaced]	Unresolved		WCSP (in review)
Ceanothus peduncularis Greene	Synonym		WCSP (in review)
Ceanothus perennis Pursh	Synonym		WCSP (in review)
Ceanothus perplexans Trel.	Synonym		WCSP (in review)
Ceanothus pinetorum Coult.	Accepted		WCSP (in review)
Ceanothus pitcheri Pickering ex Torr. & A.Gray	Synonym		WCSP (in review)
Ceanothus procumbens K.Koch	Synonym		WCSP (in review)
Ceanothus prostratus Benth.	Accepted		WCSP (in review)
Ceanothus prostratus f. albiflorus J.T.Howell	Synonym		WCSP (in review)
Ceanothus prostratus subsp. confusus (Howell) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus prostratus var. divergens K.Brandegee	Synonym		WCSP (in review)
Ceanothus prostratus var. grandifolius (Torr.) Jeps.	Synonym		WCSP (in review)
Ceanothus prostratus var. laxus Jeps.	Synonym		WCSP (in review)
Ceanothus prostratus var. occidentalis McMinn	Synonym		WCSP (in review)
Ceanothus prostratus var. pinetorum (J.M.Coult.) K.Brandegee	Synonym		WCSP (in review)
Ceanothus prostratus var. profugus Jeps.	Synonym		WCSP (in review)
Ceanothus prostratus subsp. pumilus (Greene) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus puberulus Greene	Synonym		WCSP (in review)
Ceanothus pubescens Ruiz & Pav.	Synonym		WCSP (in review)
Ceanothus pubescens (Torr. & A.Gray ex S.Watson) Rydb. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus pubiflorus DC.	Unresolved		WCSP (in review)
Ceanothus pueblensis Standl.	Synonym		WCSP (in review)
Ceanothus pulchellus Delile ex Spach	Unresolved		WCSP (in review)
Ceanothus pumilus Greene	Synonym		WCSP (in review)
Ceanothus purpureus Jeps.	Accepted		WCSP (in review)
Ceanothus purpureus subsp. divergens (Parry) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus ramulosus (Greene) McMinn	Synonym		WCSP (in review)
Ceanothus ramulosus var. fascicularis McMinn	Synonym		WCSP (in review)
Ceanothus reclinatus L'Hér.	Synonym		WCSP (in review)
Ceanothus reclinatus Bosc ex Steud. [Invalid]	Synonym		WCSP (in review)
Ceanothus regius (Jeps.) McMinn	Synonym		WCSP (in review)
Ceanothus rigidus Nutt.	Synonym		WCSP (in review)
Ceanothus rigidus var. albus Roof	Synonym		WCSP (in review)
Ceanothus rigidus var. fresnensis (Dudley) Jeps.	Synonym		WCSP (in review)
Ceanothus rigidus var. grandifolius Torr.	Synonym		WCSP (in review)
Ceanothus rigidus var. pallens Sprague	Synonym		WCSP (in review)
Ceanothus riparius Poepp. ex Endl.	Synonym		WCSP (in review)
Ceanothus roderickii W.Knight	Accepted		WCSP (in review)
Ceanothus × roseus Koehne [Unplaced]	Unresolved		WCSP (in review)
Ceanothus roweanus (McMinn) Renss.	Synonym		WCSP (in review)
Ceanothus × rugosus Greene	Accepted		WCSP (in review)
Ceanothus sanguineus Pursh	Accepted		WCSP (in review)
Ceanothus sanguineus Nutt.	Synonym		WCSP (in review)
Ceanothus sarcomphalus DC.	Synonym		WCSP (in review)
Ceanothus scandens D.Dietr.	Unresolved		WCSP (in review)
Ceanothus serpyllifolius Nutt.	Accepted		WCSP (in review)
Ceanothus × serrulatus McMinn	Accepted		WCSP (in review)
Ceanothus sonomensis J.T.Howell	Synonym		WCSP (in review)
Ceanothus sorediatus Hook. & Arn.	Synonym		WCSP (in review)
Ceanothus sorediatus Lyon	Synonym		WCSP (in review)
Ceanothus sorediatus var. glaber S.Watson	Synonym		WCSP (in review)
Ceanothus spathulatus Labill.	Unresolved		WCSP (in review)
Ceanothus spatulatus Labill.	Synonym		TRO
Ceanothus sphaerocarpus DC. [Illegitimate]	Synonym		WCSP (in review)
Ceanothus spinosus Nutt.	Accepted		WCSP (in review)
Ceanothus spinosus var. palmeri (Trel.) Jeps.	Synonym		WCSP (in review)
Ceanothus spinosus var. palmeri (Trel.) K. Brandegee	Synonym		TRO
Ceanothus submontanus Rose	Synonym		WCSP (in review)
Ceanothus subsericeus Rydb.	Synonym		WCSP (in review)
Ceanothus tardiflorus Hornem.	Synonym		WCSP (in review)
Ceanothus thyrsiflorus Eschw.	Accepted		WCSP (in review)
Ceanothus thyrsiflorus var. chandleri Jeps.	Synonym		WCSP (in review)
Ceanothus thyrsiflorus var. griseus Trel.	Synonym		WCSP (in review)
Ceanothus thyrsiflorus var. macrothyrsus Torr.	Synonym		WCSP (in review)
Ceanothus thyrsiflorus var. repens McMinn	Synonym		WCSP (in review)
Ceanothus tomentosus Parry	Accepted		WCSP (in review)
Ceanothus tomentosus var. olivaceus Jeps.	Synonym		WCSP (in review)
Ceanothus tomentosus subsp. olivaceus (Jeps.) Munz	Synonym		WCSP (in review)
Ceanothus triflorus Steud.	Synonym		WCSP (in review)
Ceanothus trinervus Moench	Synonym		WCSP (in review)
Ceanothus triqueter Wall.	Unresolved		WCSP (in review)
Ceanothus triquetrus Wall.	Synonym		TRO
Ceanothus utahensis Eastw.	Synonym		WCSP (in review)
Ceanothus × vanrensselaeri Roof	Accepted		WCSP (in review)
Ceanothus × veitchianus Hook.	Accepted		WCSP (in review)
Ceanothus velutinus Douglas ex Hook.	Accepted		WCSP (in review)
Ceanothus velutinus var. arboreus (Greene) Sarg.	Synonym		WCSP (in review)
Ceanothus velutinus subsp. hookeri (M.C.Johnst.) C.L.Schmidt	Accepted		WCSP (in review)
Ceanothus velutinus var. hookeri M.C.Johnst.	Synonym		WCSP (in review)
Ceanothus velutinus var. laevigatus (Hook.) Torr. & A.Gray	Synonym		WCSP (in review)
Ceanothus velutinus subsp. laevigatus (Hook.) Piper & Beattie	Synonym		WCSP (in review)
Ceanothus velutinus var. lorenzenii Jeps.	Synonym		WCSP (in review)
Ceanothus verrucosus Nutt.	Accepted		WCSP (in review)
Ceanothus verrucosus var. crassifolius (Torr.) K.Brandegee	Synonym		WCSP (in review)
Ceanothus verrucosus var. grandifolius (Torr.) K. Brandegee	Synonym		TRO
Ceanothus verrucosus var. greggii (A.Gray) K.Brandegee	Synonym		WCSP (in review)
Ceanothus verrucosus var. rigidus (Nutt.) K.Brandegee	Synonym		WCSP (in review)
Ceanothus vestitus Greene	Synonym		WCSP (in review)
Ceanothus virgatus Raf.	Synonym		WCSP (in review)
Ceanothus wendlandianus Schult.	Synonym		WCSP (in review)
Ceanothus wightianus Wall. [Invalid]	Synonym		WCSP (in review)
Ceanothus zeyhanicus B.Heyne ex Roth	Unresolved		WCSP (in review)