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⚠ Version 1 of The Plant List has been superseded.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

1515 plant name records match your search criteria Dioscorea. The results are below.

• Genus Dioscorea is in the family Dioscoreaceae. 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
Dioscorea abysmophila Maguire & Steyerm.	Accepted		WCSP
Dioscorea abyssinica Hochst. ex Kunth	Accepted		WCSP
Dioscorea acanthogene Rusby	Accepted		WCSP
Dioscorea acarophyta De Wild.	Synonym		WCSP
Dioscorea acerifolia Phil.	Accepted		WCSP
Dioscorea acerifolia Uline ex Prain & Burkill	Synonym		WCSP
Dioscorea acerifolia var. rosthornii Diels	Synonym		WCSP
Dioscorea acrotheca Uline ex R.Knuth [Invalid]	Synonym		WCSP
Dioscorea aculeata Balb. ex Kunth [Illegitimate]	Synonym		WCSP
Dioscorea aculeata L. [Unplaced]	Unresolved		WCSP
Dioscorea aculeata Roxb. [Illegitimate]	Synonym		WCSP
Dioscorea aculeata var. spinosa (Prain) Roxb. ex Prain & Burkill	Synonym		WCSP
Dioscorea acuminata Steud. [Invalid]	Synonym		WCSP
Dioscorea acuminata Baker	Accepted		WCSP
Dioscorea acutata R.Knuth	Synonym		WCSP
Dioscorea acutifolia Phil.	Synonym		WCSP
Dioscorea adenantha Uline	Accepted		WCSP
Dioscorea adenocarpa Mart. ex Griseb.	Synonym		WCSP
Dioscorea adenocarpa var. balansae Uline ex R.Knuth	Synonym		WCSP
Dioscorea adenocarpa var. balansae Uline	Synonym		TRO
Dioscorea adenocarpa var. chartacea Uline ex R.Knuth	Synonym		WCSP
Dioscorea aesculifolia R.Knuth	Accepted		WCSP
Dioscorea affinis Kunth	Synonym		WCSP
Dioscorea aguilarii Standl. & Steyerm.	Accepted		WCSP
Dioscorea ainensis R.Knuth	Synonym		WCSP
Dioscorea alata L.	Accepted		WCSP
Dioscorea alata var. globosa (Roxb.) Prain	Synonym		WCSP
Dioscorea alata var. purpurea (Roxb.) A. Pouchet	Synonym		TRO
Dioscorea alata var. tarri Prain & Burkill	Synonym		WCSP
Dioscorea alata var. vera Prain & Burkill	Synonym		WCSP
Dioscorea alatipes Burkill & H.Perrier	Accepted		WCSP
Dioscorea albicaulis Uline [Illegitimate]	Synonym		WCSP
Dioscorea albinervia R.Knuth	Synonym		WCSP
Dioscorea alboholosericea Matuda	Synonym		WCSP
Dioscorea althaeoides R.Knuth	Accepted		WCSP
Dioscorea altissima Lam.	Accepted		WCSP
Dioscorea altissima Sieber ex C.Presl [Illegitimate]	Synonym		WCSP
Dioscorea amaranthoides C.Presl	Accepted		WCSP
Dioscorea amaranthoides var. crumenigera (Mart. ex Griseb.) Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. decorticans (C.Presl) Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. decorticans (C. Presl) Uline	Synonym		TRO
Dioscorea amaranthoides var. denudata Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. elegantula Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. glauca Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. metallica Harms ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. paniculata R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. pendula (Poepp. ex Kunth) Uline ex R.Knuth	Synonym		WCSP
Dioscorea amaranthoides var. ulei R.Knuth	Synonym		WCSP
Dioscorea amazonum Mart. ex Griseb.	Accepted		WCSP
Dioscorea amazonum var. amazonum	Accepted		WCSP
Dioscorea amazonum var. burchellii Uline ex R.Knuth	Synonym		WCSP
Dioscorea amazonum var. consanguinea (Kunth) Uline ex R.Knuth	Synonym		WCSP
Dioscorea amazonum var. klugii (R.Knuth) Ayala	Accepted		WCSP
Dioscorea amazonum var. robustior Uline ex R.Knuth	Synonym		WCSP
Dioscorea amazonum var. sagotiana Uline ex R.Knuth	Synonym		WCSP
Dioscorea amazonum var. sprucei Uline ex R.Knuth	Synonym		WCSP
Dioscorea amoena R.Knuth	Accepted		WCSP
Dioscorea analalavensis Jum. & H.Perrier	Accepted		WCSP
Dioscorea ancachsensis R.Knuth	Accepted		WCSP
Dioscorea anchiatasi Harms [Invalid]	Synonym		WCSP
Dioscorea anchietae Harms ex R.Knuth	Synonym		WCSP
Dioscorea ancistrocarpa Uline ex R.Knuth [Invalid]	Synonym		WCSP
Dioscorea anconensis R.Knuth	Synonym		WCSP
Dioscorea andina Phil.	Accepted		WCSP
Dioscorea andongensis Rendle	Synonym		WCSP
Dioscorea andromedusae O.Téllez	Accepted		WCSP
Dioscorea angolensis R.Knuth	Synonym		WCSP
Dioscorea anguina Roxb.	Synonym		WCSP
Dioscorea angulata R.Knuth	Synonym		WCSP
Dioscorea angusta R.Knuth	Synonym		WCSP
Dioscorea angustiflora Rendle	Synonym		WCSP
Dioscorea angustifolia Rusby [Illegitimate]	Synonym		WCSP
Dioscorea angustifolia Lam. [Unplaced]	Unresolved		WCSP
Dioscorea anomala Griseb.	Accepted		WCSP
Dioscorea antaly Jum. & H.Perrier	Accepted		WCSP
Dioscorea anthropophagorum A.Chev.	Synonym		WCSP
Dioscorea anthropophagorum A. Chev. ex Jum.	Synonym		TRO
Dioscorea anthropophagorum var. sylvestris A.Chev.	Synonym		WCSP
Dioscorea antucoana Uline ex R.Knuth	Accepted		WCSP
Dioscorea apaensis Chodat & Hassl.	Synonym		WCSP
Dioscorea apiculata De Wild.	Synonym		WCSP
Dioscorea apurimacensis R.Knuth	Synonym		WCSP
Dioscorea arachidna Prain & Burkill	Accepted		WCSP
Dioscorea araucana Phil.	Accepted		WCSP
Dioscorea arcuata Rusby	Synonym		WCSP
Dioscorea arcuatinervis Hochr.	Accepted		WCSP
Dioscorea arenaria Kunth	Synonym		WCSP
Dioscorea argyrogyna Uline ex R.Knuth	Accepted		WCSP
Dioscorea arifolia C.Presl	Accepted		WCSP
Dioscorea aristolochiifolia Poepp.	Accepted		WCSP
Dioscorea aristolochiifolia var. parvifolia (Phil.) L.E.Navas	Synonym		WCSP
Dioscorea armata De Wild.	Synonym		WCSP
Dioscorea arnensis R. Knuth	Accepted		TRO
Dioscorea articulata Steud.	Synonym		WCSP
Dioscorea asclepiadea Prain & Burkill	Accepted		WCSP
Dioscorea aspera Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea aspersa Prain & Burkill	Accepted		WCSP
Dioscorea asperula Pedralli	Accepted		WCSP
Dioscorea asteriscus Burkill	Accepted		WCSP
Dioscorea astrostigma Uline	Synonym		WCSP
Dioscorea atrescens R.Knuth	Accepted		WCSP
Dioscorea atropurpurea Roxb.	Synonym		WCSP
Dioscorea auriculata Poepp.	Accepted		WCSP
Dioscorea axilliflora Phil.	Synonym		WCSP
Dioscorea bahiensis R.Knuth	Accepted		WCSP
Dioscorea bako Wilkin	Accepted		WCSP
Dioscorea balcanica Košanin	Accepted		WCSP
Dioscorea balsapuertensis R.Knuth	Synonym		WCSP
Dioscorea bancana Prain & Burkill	Accepted		WCSP
Dioscorea bangii R.Knuth	Synonym		WCSP
Dioscorea banzhuana S.J.Pei & C.T.Ting	Accepted		WCSP
Dioscorea bararum H.Perrier	Synonym		WCSP
Dioscorea barclayi R.Knuth	Synonym		WCSP
Dioscorea bartlettii C.V.Morton	Accepted		WCSP
Dioscorea basiclavicaulis Rizzini & A.Mattos	Accepted		WCSP
Dioscorea batatas Decne.	Synonym		WCSP
Dioscorea batatas f. clavata Makino	Synonym		WCSP
Dioscorea batatas f. daikok Makino	Synonym		WCSP
Dioscorea batatas f. flabellata Makino	Synonym		WCSP
Dioscorea batatas f. rakuda Makino	Synonym		WCSP
Dioscorea batatas f. tsukune Makino	Synonym		WCSP
Dioscorea baya De Wild.	Accepted		WCSP
Dioscorea baya var. baya	Accepted		WCSP
Dioscorea baya var. subcordata De Wild.	Synonym		WCSP
Dioscorea beccariana Martelli	Synonym		WCSP
Dioscorea beecheyi R.Knuth	Accepted		WCSP
Dioscorea belizensis Lundell	Synonym		WCSP
Dioscorea belophylla (Prain) Voigt ex Haines	Accepted		WCSP
Dioscorea belophylloides Prain & Burkill	Synonym		WCSP
Dioscorea bemandry Jum. & H.Perrier	Accepted		WCSP
Dioscorea bemarivensis Jum. & H.Perrier	Accepted		WCSP
Dioscorea benthamii Prain & Burkill	Accepted		WCSP
Dioscorea berenicea McVaugh	Accepted		WCSP
Dioscorea bermejensis R.Knuth	Accepted		WCSP
Dioscorea bernoulliana Prain & Burkill	Accepted		WCSP
Dioscorea berteroana Kunth	Synonym		WCSP
Dioscorea besseriana Kunth	Accepted		WCSP
Dioscorea besseriana var. berteroi Uline ex R.Knuth	Synonym		WCSP
Dioscorea beyrichii R.Knuth	Accepted		WCSP
Dioscorea bicolor Prain & Burkill	Accepted		WCSP
Dioscorea biformifolia S.J.Pei & C.T.Ting	Accepted		WCSP
Dioscorea bilbergiana Kunth	Synonym		WCSP
Dioscorea biloba (Phil.) Caddick & Wilkin	Accepted		WCSP
Dioscorea biplicata R.Knuth	Accepted		WCSP
Dioscorea birmanica Prain & Burkill	Accepted		WCSP
Dioscorea birschelii Harms ex R.Knuth	Accepted		WCSP
Dioscorea biserialis Prain & Burkill	Synonym		WCSP
Dioscorea blumei Prain & Burkill	Accepted		WCSP
Dioscorea bolivarensis Steyerm.	Accepted		WCSP
Dioscorea boliviensis R.Knuth	Synonym		WCSP
Dioscorea bolojonica Blanco	Synonym		ILDIS
Dioscorea bonariensis Ten.	Synonym		WCSP
Dioscorea bonatiana Prain & Burkill	Synonym		WCSP
Dioscorea bonii Prain & Burkill	Accepted		WCSP
Dioscorea bonnetii A.Chev.	Synonym		WCSP
Dioscorea borealis C.V.Morton	Synonym		WCSP
Dioscorea boridiensis R.Knuth [Unplaced]	Unresolved		WCSP
Dioscorea borneensis R.Knuth	Synonym		WCSP
Dioscorea bosseri Haigh & Wilkin	Accepted		WCSP
Dioscorea brachybotrya Poepp.	Accepted		WCSP
Dioscorea brachybotrya var. germainii Uline ex R.Knuth	Synonym		WCSP
Dioscorea brachybotrya var. reticulata (Gay) Uline ex R.Knuth	Synonym		WCSP
Dioscorea brachycarpa Schltdl.	Synonym		WCSP
Dioscorea brachystachya Phil.	Accepted		WCSP
Dioscorea bradei R.Knuth	Accepted		WCSP
Dioscorea brandisii Prain & Burkill	Accepted		WCSP
Dioscorea brasiliensis Willd.	Synonym		WCSP
Dioscorea brevifolia (Prain & Burkill) K.Y.Guan & D.F.Chamb.	Synonym		WCSP
Dioscorea brevipes Burtt Davy	Synonym		WCSP
Dioscorea brevipetiolata Prain & Burkill	Accepted		WCSP
Dioscorea brevispicata De Wild.	Synonym		WCSP
Dioscorea bridgesii Griseb. ex Kunth	Accepted		WCSP
Dioscorea bridgesii Griseb. ex R. Knuth	Unresolved		TRO
Dioscorea brownii Schinz	Accepted		WCSP
Dioscorea bryoniifolia Poepp.	Accepted		WCSP
Dioscorea buchananii Benth.	Accepted		WCSP
Dioscorea buchananii var. ukamensis R.Knuth	Synonym		WCSP
Dioscorea buchholziana Engl.	Synonym		WCSP
Dioscorea buchtienii R.Knuth	Synonym		WCSP
Dioscorea buergeri Uline ex R.Knuth	Synonym		WCSP
Dioscorea buergeri var. enneaneura Uline ex Diels	Synonym		WCSP
Dioscorea bulbifera L.	Accepted		WCSP
Dioscorea bulbifera var. anthropophagorum (A.Chev.) Summerh.	Synonym		WCSP
Dioscorea bulbifera var. crispata (Roxb.) Prain	Synonym		WCSP
Dioscorea bulbifera var. elongata (F.M.Bailey) Prain & Burkill	Synonym		WCSP
Dioscorea bulbifera var. pulchella (Roxb.) Prain	Synonym		WCSP
Dioscorea bulbifera var. sativa Prain	Synonym		WCSP
Dioscorea bulbifera var. suavia Prain & Burkill	Synonym		WCSP
Dioscorea bulbifera var. vera Prain & Burkill	Synonym		WCSP
Dioscorea bulbotricha Hand.-Mazz.	Accepted		WCSP
Dioscorea bullata Prain & Burkill	Synonym		WCSP
Dioscorea burchellii Baker	Accepted		WCSP
Dioscorea burkilliana J.Miège	Accepted		WCSP
Dioscorea burkillii R.Knuth	Synonym		WCSP
Dioscorea burroyacensis R.Knuth	Synonym		WCSP
Dioscorea cachipuertensis Ayala	Accepted		WCSP
Dioscorea caillei A.Chev. ex De Wild.	Synonym		WCSP
Dioscorea calcarea R.Knuth	Synonym		WCSP
Dioscorea calcensis R.Knuth	Synonym		WCSP
Dioscorea calcicola Prain & Burkill	Accepted		WCSP
Dioscorea caldasensis R.Knuth	Accepted		WCSP
Dioscorea calderillensis R.Knuth	Accepted		WCSP
Dioscorea callacatensis R.Knuth	Accepted		WCSP
Dioscorea calyculata J.D.Sm.	Unresolved		WCSP
Dioscorea calystegioides Kunth	Synonym		WCSP
Dioscorea cambodiana Prain & Burkill	Accepted		WCSP
Dioscorea camerunensis R.Knuth	Synonym		WCSP
Dioscorea campanulata Uline ex R.Knuth	Accepted		WCSP
Dioscorea campanulata var. lanceolata Uline	Synonym		WCSP
Dioscorea campestris Griseb.	Accepted		WCSP
Dioscorea campestris var. grandiflora Griseb.	Synonym		WCSP
Dioscorea campestris f. longispicata Hauman	Synonym		WCSP
Dioscorea campestris var. longispicata Hauman	Synonym		WCSP
Dioscorea campestris f. paraguayensis R.Knuth	Synonym		WCSP
Dioscorea campestris var. parviflora Griseb.	Synonym		WCSP
Dioscorea campestris f. pedalis Uline ex R.Knuth	Synonym		WCSP
Dioscorea campestris f. piedadensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea campestris f. plantaginifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea campestris f. stenorachis Uline ex R.Knuth	Synonym		WCSP
Dioscorea camphorifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea campos-portoi R.Knuth	Accepted		WCSP
Dioscorea canariensis Webb & Berthel.	Synonym		WCSP
Dioscorea capillaris Hemsl.	Synonym		WCSP
Dioscorea capillaris var. glabra Hemsl.	Synonym		WCSP
Dioscorea caracasana Kunth	Synonym		WCSP
Dioscorea caracasensis R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea carionis Prain & Burkill	Accepted		WCSP
Dioscorea carpomaculata O.Téllez & B.G.Schub.	Accepted		WCSP
Dioscorea carpomaculata var. cinerea (Uline ex R.Knuth) O.Téllez & B.G.Schub.	Accepted		WCSP
Dioscorea carrii R.Knuth	Synonym		WCSP
Dioscorea castilloniana Hauman	Accepted		WCSP
Dioscorea catharinensis R.Knuth	Accepted		WCSP
Dioscorea caucasica Lipsky	Accepted		WCSP
Dioscorea caucensis R.Knuth	Synonym		WCSP
Dioscorea cavenensis Lam.	Unresolved		TRO
Dioscorea cayenensis Jumelle	Synonym		TRO
Dioscorea cayennensis Lam.	Accepted		WCSP
Dioscorea cayennensis subsp. cayennensis	Accepted		WCSP
Dioscorea cayennensis var. praehensilis (Benth.) A.Chev.	Synonym		WCSP
Dioscorea cayennensis var. pseudobatatas Hauman	Synonym		WCSP
Dioscorea cayennensis subsp. rotundata (Poir.) J.Miège	Accepted		WCSP
Dioscorea celebesiana R.Knuth	Synonym		WCSP
Dioscorea ceratandra Uline ex R.Knuth	Accepted		WCSP
Dioscorea chacoensis R.Knuth	Accepted		WCSP
Dioscorea chagllaensis R.Knuth	Accepted		WCSP
Dioscorea chamela McVaugh	Synonym		WCSP
Dioscorea chancayensis R.Knuth	Accepted		WCSP
Dioscorea changjiangensis F.W.Xing & Z.X.Li	Synonym		WCSP
Dioscorea chaponensis R.Knuth	Accepted		WCSP
Dioscorea chevalieri De Wild.	Synonym		WCSP
Dioscorea chiapasensis Matuda	Accepted		WCSP
Dioscorea chimborazensis R.Knuth	Accepted		WCSP
Dioscorea chingii Prain & Burkill	Accepted		WCSP
Dioscorea chiquiacensis R.Knuth	Synonym		WCSP
Dioscorea chondrocarpa Griseb.	Synonym		WCSP
Dioscorea choriandra Uline ex R.Knuth	Accepted		WCSP
Dioscorea chouardii Gaussen	Accepted		WCSP
Dioscorea cienegensis R.Knuth	Accepted		WCSP
Dioscorea cinnamomifolia Hook.	Accepted		WCSP
Dioscorea cinnamomifolia var. zanoniae (Klotzsch ex Griseb.) R.Knuth	Synonym		WCSP
Dioscorea cirrhosa Lour.	Accepted		WCSP
Dioscorea cirrhosa var. cylindrica C.T.Ting & M.C.Chang	Synonym		WCSP
Dioscorea cissophylla Phil.	Accepted		WCSP
Dioscorea claessensii De Wild.	Accepted		WCSP
Dioscorea clarkei Prain & Burkill	Synonym		WCSP
Dioscorea claussenii Uline ex R.Knuth	Accepted		WCSP
Dioscorea claytonii Ayala	Accepted		WCSP
Dioscorea clemensii R.Knuth [Unplaced]	Unresolved		WCSP
Dioscorea cliffortiana Lam.	Synonym		WCSP
Dioscorea cochleariapiculata De Wild.	Accepted		WCSP
Dioscorea codonopsidifolia Kamik.	Synonym		WCSP
Dioscorea collettii Hook.f.	Accepted		WCSP
Dioscorea collettii var. collettii	Accepted		WCSP
Dioscorea collettii var. hypoglauca (Palib.) S.J.Pei & C.T.Ting	Accepted		WCSP
Dioscorea collettii var. hypoglauca (Palib.) C.T. Ting, et al.	Synonym		TRO
Dioscorea collinsae Prain & Burkill	Synonym		WCSP
Dioscorea colocasiifolia Pax	Synonym		WCSP
Dioscorea combilium Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP
Dioscorea communis (L.) Caddick & Wilkin	Accepted		WCSP
Dioscorea commutata R.Knuth	Accepted		WCSP
Dioscorea comorensis R.Knuth	Accepted		WCSP
Dioscorea composita Hemsl.	Accepted		WCSP
Dioscorea concepcionis Chodat & Hassl.	Synonym		WCSP
Dioscorea conferta Vell.	Synonym		WCSP
Dioscorea congestiflora R.Knuth	Synonym		WCSP
Dioscorea contracta R.Knuth	Accepted		WCSP
Dioscorea convolvulacea Cham. & Schltdl.	Accepted		WCSP
Dioscorea convolvulacea subsp. convolvulacea	Accepted		WCSP
Dioscorea convolvulacea subsp. esurientium (Uline) Uline ex R.Knuth	Synonym		WCSP
Dioscorea convolvulacea var. galeottiana (Kunth) Uline	Synonym		WCSP
Dioscorea convolvulacea var. glabra (Hemsl.) Uline ex R.Knuth	Synonym		WCSP
Dioscorea convolvulacea subsp. grandifolia (Schltdl.) Uline ex R.Knuth	Accepted		WCSP
Dioscorea convolvulacea var. viridis Uline	Synonym		WCSP
Dioscorea conzattii R.Knuth	Accepted		WCSP
Dioscorea cordifolia Laness.	Accepted		WCSP
Dioscorea coreana (Prain & Burkill) R.Knuth	Accepted		WCSP
Dioscorea coriacea Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea coripatenis J.F.Macbr.	Accepted		WCSP
Dioscorea coripatensis J. Macbr.	Accepted		TRO
Dioscorea cornifolia Kunth	Synonym		WCSP
Dioscorea coronata Hauman	Accepted		WCSP
Dioscorea corumbensis R.Knuth	Synonym		WCSP
Dioscorea costaricensis R.Knuth	Synonym		WCSP
Dioscorea costermansiana De Wild. & T.Durand	Synonym		WCSP
Dioscorea cotinifolia Kunth	Accepted		WCSP
Dioscorea coxii Matuda	Synonym		WCSP
Dioscorea craibiana Prain & Burkill	Accepted		WCSP
Dioscorea crateriflora R.Knuth	Accepted		WCSP
Dioscorea crenata Vell.	Synonym		WCSP
Dioscorea crinita Hook.f.	Synonym		WCSP
Dioscorea crispata Roxb.	Synonym		WCSP
Dioscorea crotalariifolia Uline	Accepted		WCSP
Dioscorea crumenigera Mart. ex Griseb.	Synonym		WCSP
Dioscorea crumenigera Mart.	Synonym		TRO
Dioscorea cruzensis R.Knuth	Accepted		WCSP
Dioscorea cryptantha Baker	Synonym		WCSP
Dioscorea cubensis R.Knuth	Accepted		WCSP
Dioscorea cubijensis R.Knuth	Synonym		WCSP
Dioscorea cumingii Prain & Burkill	Accepted		WCSP
Dioscorea cumingii var. inaequifolia (Elmer ex Prain & Burkill) Burkill	Synonym		TRO
Dioscorea cumingii var. polyphylla (R. Knuth) Burkill	Synonym		TRO
Dioscorea curitybensis R.Knuth	Accepted		WCSP
Dioscorea cuspidata Balb. ex Kunth	Synonym		WCSP
Dioscorea cuspidata Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea cuyabensis R.Knuth	Accepted		WCSP
Dioscorea cyanisticta J.D.Sm.	Accepted		WCSP
Dioscorea cyclophylla Urb.	Synonym		WCSP
Dioscorea cylindrica Burm.f.	Unresolved		WCSP
Dioscorea cylindrostachya I.M.Johnst.	Synonym		WCSP
Dioscorea cymosula Hemsl.	Accepted		WCSP
Dioscorea cymosula var. cinerea Uline ex R.Knuth	Synonym		WCSP
Dioscorea cymosula var. duchassaingii Uline ex R.Knuth	Synonym		WCSP
Dioscorea cymosula var. longiracemosa Uline ex R.Knuth	Synonym		WCSP
Dioscorea cynanchifolia Griseb.	Synonym		WCSP
Dioscorea cyphocarpa C.B.Rob. ex Knuth	Accepted		WCSP
Dioscorea daemona Roxb.	Synonym		WCSP
Dioscorea daemona var. reticulata Hook.f.	Synonym		WCSP
Dioscorea dallmannensis Hatus. [Unplaced]	Unresolved		WCSP
Dioscorea daunea Prain & Burkill	Accepted		WCSP
Dioscorea davidsei O.Téllez	Accepted		WCSP
Dioscorea dawei De Wild.	Synonym		WCSP
Dioscorea de-mourae Uline ex R.Knuth	Accepted		WCSP
Dioscorea deamii Matuda	Synonym		WCSP
Dioscorea debilis Uline ex R.Knuth	Accepted		WCSP
Dioscorea debilis var. sagittifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea decaisneana Carrière	Synonym		WCSP
Dioscorea decaryana H.Perrier	Accepted		WCSP
Dioscorea decipiens Hook.f.	Accepted		WCSP
Dioscorea decipiens var. glabrescens C.T.Ting & M.C.Chang	Synonym		WCSP
Dioscorea decorticans C.Presl	Accepted		WCSP
Dioscorea deflexa Griseb.	Accepted		WCSP
Dioscorea deflexa Hook.f. [Illegitimate]	Synonym		WCSP
Dioscorea dejantiana Lem. [Unplaced]	Unresolved		WCSP
Dioscorea delavayi Franch.	Accepted		WCSP
Dioscorea delicata R.Knuth	Accepted		WCSP
Dioscorea deltoidea Wall. ex Griseb.	Accepted		WCSP
Dioscorea deltoidea var. orbiculata Prain & Burkill	Synonym		WCSP
Dioscorea deltoidea var. sikkimensis Prain	Synonym		WCSP
Dioscorea deltoides Wall.	Unresolved		TRO
Dioscorea demeusei De Wild. & T.Durand	Synonym		WCSP
Dioscorea dendrotricha Uline	Accepted		WCSP
Dioscorea densiflora Hemsl.	Accepted		WCSP
Dioscorea depauperata Prain & Burkill	Accepted		WCSP
Dioscorea deppei Schiede ex Schltdl.	Synonym		WCSP
Dioscorea diamantinensis R.Knuth	Accepted		WCSP
Dioscorea dicranandra Donn.Sm.	Accepted		WCSP
Dioscorea dielsii R.Knuth	Accepted		WCSP
Dioscorea diepenhorstiana Miq.	Synonym		WCSP
Dioscorea digitaria R.Knuth	Synonym		WCSP
Dioscorea digitata Mill.	Synonym		WCSP
Dioscorea dinteri Schinz	Synonym		WCSP
Dioscorea discolor Kunth	Synonym		WCSP
Dioscorea dissecta R.Knuth	Synonym		WCSP
Dioscorea dissimulans Prain & Burkill	Accepted		WCSP
Dioscorea divaricata Blanco	Accepted		WCSP
Dioscorea diversifolia Griseb.	Accepted		WCSP
Dioscorea dodecandra Steud. [Spelling variant]	Synonym		WCSP
Dioscorea dodecaneura Vell.	Accepted		WCSP
Dioscorea dodecaneura var. maronensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea dodecaneura var. villosa R.Knuth	Synonym		WCSP
Dioscorea dodecasemina Caddick & Wilkin	Synonym		WCSP
Dioscorea doryphora Hance	Synonym		WCSP
Dioscorea dregeana (Kunth) T.Durand & Schinz	Accepted		WCSP
Dioscorea duchassaingii R.Knuth	Accepted		WCSP
Dioscorea dugesii C.B.Rob.	Accepted		WCSP
Dioscorea dumetorum (Kunth) Pax	Accepted		WCSP
Dioscorea dumetosa Uline ex R.Knuth	Accepted		WCSP
Dioscorea dusenii Uline ex R.Knuth	Synonym		WCSP
Dioscorea ealaensis De Wildemann	Synonym		TRO
Dioscorea ealensis De Wild.	Synonym		WCSP
Dioscorea eburina Lour.	Synonym		WCSP
Dioscorea eburnea Lour.	Synonym		WCSP
Dioscorea echinata R.Knuth	Synonym		WCSP
Dioscorea echinulata De Wild.	Synonym		WCSP
Dioscorea effusa Griseb.	Synonym		WCSP
Dioscorea ekmanii R.Knuth	Accepted		WCSP
Dioscorea ekolo De Wild.	Synonym		WCSP
Dioscorea eldorado Linden & André	Synonym		WCSP
Dioscorea elegans Ridl. ex Prain & Burkill	Accepted		WCSP
Dioscorea elegans R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea elegantula Kunth	Synonym		WCSP
Dioscorea elephantipes (L'Hér.) Engl.	Accepted		WCSP
Dioscorea elephantopus Spreng. [Illegitimate]	Synonym		WCSP
Dioscorea elmeri Prain & Burkill	Synonym		WCSP
Dioscorea engbo De Wild.	Synonym		WCSP
Dioscorea engleriana R.Knuth	Synonym		WCSP
Dioscorea enneaneura (Uline ex Diels) Prain & Burkill	Synonym		WCSP
Dioscorea entomophila Hauman	Accepted		WCSP
Dioscorea entomophila var. tomentosa Hauman	Synonym		WCSP
Dioscorea epistephioides Taub.	Accepted		WCSP
Dioscorea escuintlensis Matuda	Accepted		WCSP
Dioscorea esculenta (Lour.) Burkill	Accepted		WCSP
Dioscorea esculenta var. esculenta	Accepted		TRO
Dioscorea esculenta var. fasciculata (Roxb.) Prain & Burkill	Synonym		WCSP
Dioscorea esculenta var. fasciculata (Roxb.) R. Knuth	Synonym		TRO
Dioscorea esculenta var. fulvidotomentosa R.Knuth	Synonym		WCSP
Dioscorea esculenta var. spinosa (Prain) R.Knuth	Synonym		WCSP
Dioscorea esculenta var. tiliifolia (Kunth) Fosberg & Sachet	Synonym		WCSP
Dioscorea esquirolii Prain & Burkill	Accepted		WCSP
Dioscorea esurientium Uline	Synonym		WCSP
Dioscorea exalata C.T.Ting & M.C.Chang	Accepted		WCSP
Dioscorea excisa R.Knuth	Synonym		WCSP
Dioscorea fandra H.Perrier	Accepted		WCSP
Dioscorea fargesii Franch.	Synonym		WCSP
Dioscorea fasciculata Roxb.	Synonym		WCSP
Dioscorea fasciculata var. spinosa Prain	Synonym		WCSP
Dioscorea fasciculocongesta (Sosa & B.G.Schub.) O.Téllez	Accepted		WCSP
Dioscorea fastigiata Gay	Accepted		WCSP
Dioscorea fauriei R.Knuth	Synonym		WCSP
Dioscorea fendleri R.Knuth	Accepted		WCSP
Dioscorea ferreyrae Ayala	Accepted		WCSP
Dioscorea ferruginea Thunb. ex Prain & Burkill [Invalid]	Synonym		WCSP
Dioscorea ferruginicaulis Rusby	Synonym		WCSP
Dioscorea fiebrigii R. Knuth	Unresolved		TRO
Dioscorea filicaulis Prain & Burkill	Synonym		WCSP
Dioscorea filiformis Griseb. [Illegitimate]	Synonym		WCSP
Dioscorea filiformis Blume	Accepted		WCSP
Dioscorea filipendula Dombey ex Kunth	Synonym		WCSP
Dioscorea filirachis R.Knuth [Invalid]	Synonym		WCSP
Dioscorea fimbriata Uline ex R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea fimbriata Jum. & H.Perrier	Synonym		WCSP
Dioscorea firma R.Knuth	Synonym		WCSP
Dioscorea flabellifolia Prain & Burkill	Accepted		WCSP
Dioscorea flaccida R.Knuth	Accepted		WCSP
Dioscorea flamignii De Wild.	Synonym		WCSP
Dioscorea floribunda M.Martens & Galeotti	Accepted		WCSP
Dioscorea floridana Bartlett	Accepted		WCSP
Dioscorea fluminensis R.Knuth	Synonym		WCSP
Dioscorea fodinarum Kunth	Accepted		WCSP
Dioscorea forbesii Baker	Synonym		WCSP
Dioscorea fordii Prain & Burkill	Accepted		WCSP
Dioscorea formosana R.Knuth	Accepted		WCSP
Dioscorea foxworthyi Prain & Burkill	Synonym		WCSP
Dioscorea fracta Griseb.	Synonym		WCSP
Dioscorea fractiflexa R.Knuth	Accepted		WCSP
Dioscorea friedrichsthalii R.Knuth	Synonym		WCSP
Dioscorea friesii R.Knuth	Synonym		WCSP
Dioscorea frutescens Rusby	Synonym		WCSP
Dioscorea fuliginosa R.Knuth	Accepted		WCSP
Dioscorea fulvida Stapf	Synonym		WCSP
Dioscorea furcata Griseb.	Accepted		WCSP
Dioscorea futschauensis Uline ex R.Knuth	Accepted		WCSP
Dioscorea galeottiana Kunth	Accepted		WCSP
Dioscorea galeottiana Martens	Unresolved		TRO
Dioscorea galiiflora R.Knuth	Accepted		WCSP
Dioscorea galipanensis Klotzsch ex Kunth [Invalid]	Synonym		WCSP
Dioscorea gallegosi Matuda	Accepted		WCSP
Dioscorea garrettii Prain & Burkill	Accepted		WCSP
Dioscorea gaumeri R.Knuth	Accepted		WCSP
Dioscorea gayi Phil.	Synonym		WCSP
Dioscorea gedensis Prain & Burkill	Synonym		WCSP
Dioscorea geissei Phil.	Synonym		WCSP
Dioscorea gentryi O.Téllez	Accepted		WCSP
Dioscorea georgensis R.Knuth	Synonym		WCSP
Dioscorea gibbiflora Hook.f.	Synonym		WCSP
Dioscorea gibertii R.Knuth	Synonym		WCSP
Dioscorea gillettii Milne-Redh.	Accepted		WCSP
Dioscorea giraldii R.Knuth	Synonym		WCSP
Dioscorea glabra Roxb.	Accepted		WCSP
Dioscorea glabra Baron	Synonym		TRO
Dioscorea glabra var. hastifolia Prain & Burkill	Synonym		WCSP
Dioscorea glabra var. longifolia Prain & Burkill	Synonym		TRO
Dioscorea glabra var. vera Prain & Burkill	Synonym		WCSP
Dioscorea glandulosa (Griseb.) Klotzsch ex Kunth	Accepted		WCSP
Dioscorea glandulosa var. calcensis (R.Knuth) Ayala	Accepted		WCSP
Dioscorea glandulosa var. glandulosa	Accepted		WCSP
Dioscorea glauca Muhl. ex L.C.Beck	Synonym		WCSP
Dioscorea glauca Rusby [Illegitimate]	Synonym		WCSP
Dioscorea glaucoidea R.Knuth	Synonym		WCSP
Dioscorea globifera R.Knuth	Synonym		WCSP
Dioscorea globosa Roxb.	Synonym		WCSP
Dioscorea glomerata Hauman	Unresolved		TRO
Dioscorea glomerulata Hauman	Accepted		WCSP
Dioscorea glomerulata var. mandonii (Uline ex R.Knuth) R.Knuth	Synonym		WCSP
Dioscorea goeringiana Kunth	Synonym		WCSP
Dioscorea gomez-pompae O.Téllez	Accepted		WCSP
Dioscorea gossweileri R.Knuth	Synonym		WCSP
Dioscorea gouanioides (Chodat & Hassl.) R.Knuth	Synonym		WCSP
Dioscorea goyazensis Griseb.	Synonym		WCSP
Dioscorea gracilicaulis R.Knuth	Accepted		WCSP
Dioscorea gracilipes Prain & Burkill	Accepted		WCSP
Dioscorea gracilis Hook. ex Poepp.	Accepted		WCSP
Dioscorea gracillima Miq.	Accepted		WCSP
Dioscorea gracillima Ridl. [Illegitimate]	Synonym		WCSP
Dioscorea gracillima var. collettii (Hook.f.) Uline ex R.Knuth	Synonym		WCSP
Dioscorea gracillima var. collettii (Hook. f.) Uline ex Yamam.	Synonym		TRO
Dioscorea grandibulbosa R.Knuth	Synonym		WCSP
Dioscorea grandiflora Mart. ex Griseb.	Accepted		WCSP
Dioscorea grandiflora M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Dioscorea grandifolia Schltdl.	Synonym		WCSP
Dioscorea grandis R.Knuth	Accepted		WCSP
Dioscorea grata Prain & Burkill	Accepted		WCSP
Dioscorea gribinguiensis Baudon	Accepted		WCSP
Dioscorea grisebachii Britton ex Léon [Illegitimate]	Synonym		WCSP
Dioscorea grisebachii Kunth	Accepted		WCSP
Dioscorea guanaiensis R.Knuth	Synonym		WCSP
Dioscorea guaranitica Chodat & Hassl.	Synonym		WCSP
Dioscorea guaranitica var. balansae Pellegr.	Synonym		WCSP
Dioscorea guaranitica f. membranacea Chodat & Hassl.	Synonym		WCSP
Dioscorea guaranitica f. subcoriacea Chodat & Hassl.	Synonym		WCSP
Dioscorea guararitica Choel. & Hasol.	Synonym		TRO
Dioscorea guerrerensis R.Knuth	Accepted		WCSP
Dioscorea guianensis R.Knuth	Accepted		WCSP
Dioscorea haenkeana C.Presl	Accepted		WCSP
Dioscorea hainanensis Prain & Burkill	Synonym		WCSP
Dioscorea haitiensis R.Knuth	Synonym		WCSP
Dioscorea hamiltonii Hook.f.	Accepted		WCSP
Dioscorea harrissii R.Knuth	Synonym		WCSP
Dioscorea hassleriana Chodat	Accepted		WCSP
Dioscorea hassleriana var. triloba Chodat & Hassl.	Synonym		WCSP
Dioscorea hastata Vell. [Illegitimate]	Synonym		WCSP
Dioscorea hastata C.Presl [Illegitimate]	Synonym		WCSP
Dioscorea hastata Mill.	Accepted		WCSP
Dioscorea hastata var. balansae Uline ex R.Knuth	Synonym		WCSP
Dioscorea hastata var. hassleriana (Chodat) Uline ex R.Knuth	Synonym		WCSP
Dioscorea hastata var. mattogrossensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea hastatissima Rusby	Accepted		WCSP
Dioscorea hastifolia Nees	Accepted		WCSP
Dioscorea hastiformis R.Knuth	Accepted		WCSP
Dioscorea haumanii Xifreda	Accepted		WCSP
Dioscorea havilandii Prain & Burkill	Accepted		WCSP
Dioscorea hebantha Mart. ex Griseb.	Synonym		WCSP
Dioscorea hebridensis R.Knuth	Accepted		WCSP
Dioscorea hederacea Miers [Invalid]	Synonym		WCSP
Dioscorea hederifolia Griseb.	Synonym		WCSP
Dioscorea helicifolia Kunth	Synonym		WCSP
Dioscorea helicifolia R. Knuth	Synonym		TRO
Dioscorea helicifolia Hauman	Synonym		TRO
Dioscorea helmiicarpa R.Knuth	Synonym		WCSP
Dioscorea hemicrypta Burkill	Accepted		WCSP
Dioscorea hemsleyi Prain & Burkill	Accepted		WCSP
Dioscorea henryi (Prain & Burkill) C.T.Ting [Illegitimate]	Synonym		WCSP
Dioscorea henryi Uline ex Diels [Invalid]	Synonym		WCSP
Dioscorea heptaneura Vell.	Accepted		WCSP
Dioscorea heptaneura f. latisinuata Uline ex R.Knuth	Synonym		WCSP
Dioscorea heptaneura f. tenuicaulis Uline ex R.Knuth	Synonym		WCSP
Dioscorea heptaphylla Sasaki	Synonym		WCSP
Dioscorea herbert-smithii Rusby	Accepted		WCSP
Dioscorea herradurensis (R.Knuth) P.Wilson ex Alain	Synonym		WCSP
Dioscorea herzogii R.Knuth	Accepted		WCSP
Dioscorea heterophylla Poepp. [Illegitimate]	Synonym		WCSP
Dioscorea heterophylla Roxb.	Synonym		WCSP
Dioscorea heterophylla var. longifolia L.E.Navas	Synonym		WCSP
Dioscorea heteropoda Baker	Accepted		WCSP
Dioscorea hexagona Baker	Accepted		WCSP
Dioscorea hexaphylla Raf.	Synonym		WCSP
Dioscorea hieronymi Uline ex R.Knuth	Accepted		WCSP
Dioscorea hintonii R.Knuth	Accepted		WCSP
Dioscorea hirsuta Blume	Synonym		WCSP
Dioscorea hirsuta M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Dioscorea hirsuta var. glabra Uline	Synonym		WCSP
Dioscorea hirsuticaulis C.B.Rob.	Synonym		WCSP
Dioscorea hirticaulis Bartlett	Synonym		WCSP
Dioscorea hirtiflora Benth.	Accepted		WCSP
Dioscorea hirtiflora subsp. hirtiflora	Accepted		WCSP
Dioscorea hirtiflora subsp. orientalis Milne-Redh.	Accepted		WCSP
Dioscorea hispida Dennst.	Accepted		WCSP
Dioscorea hispida var. daemona (Roxb.) Prain & Burkill	Synonym		WCSP
Dioscorea hispida var. reticulata (Hook.f.) Sanjappa	Synonym		WCSP
Dioscorea hitchcockii R.Knuth	Synonym		WCSP
Dioscorea hockii De Wild.	Synonym		WCSP
Dioscorea hoehneana R.Knuth	Synonym		WCSP
Dioscorea hoffa Cordem.	Synonym		WCSP
Dioscorea hofika Jum. & H.Perrier	Synonym		WCSP
Dioscorea holmioidea Maury	Accepted		WCSP
Dioscorea holstii Harms	Synonym		WCSP
Dioscorea holtii R.Knuth	Synonym		WCSP
Dioscorea hombuka H.Perrier	Accepted		WCSP
Dioscorea hondurensis R.Knuth	Accepted		WCSP
Dioscorea hongkongensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea howardiana O.Téllez, B.G.Schub. & Geeta	Accepted		WCSP
Dioscorea huallagensis R.Knuth	Synonym		WCSP
Dioscorea huberi R.Knuth	Synonym		WCSP
Dioscorea hui R.Knuth	Synonym		WCSP
Dioscorea humblotii R.Knuth	Synonym		WCSP
Dioscorea humifusa Poepp.	Accepted		WCSP
Dioscorea humifusa var. gracilis (Hook. ex Poepp.) L.E.Navas	Synonym		WCSP
Dioscorea humilis Bertero ex Colla	Accepted		WCSP
Dioscorea humilis subsp. humilis	Accepted		WCSP
Dioscorea hunzikeri Xifreda	Accepted		WCSP
Dioscorea × hybrida G.Nicholson [Unplaced]	Unresolved		WCSP
Dioscorea hylophila Harms	Synonym		WCSP
Dioscorea hypoglauca Palib.	Synonym		WCSP
Dioscorea hypotricha Uline	Synonym		WCSP
Dioscorea hystrix R.Knuth	Synonym		WCSP
Dioscorea igualamontana Matuda	Accepted		WCSP
Dioscorea illustrata W.Bull	Synonym		WCSP
Dioscorea inaequifolia Elmer ex Prain & Burkill	Synonym		WCSP
Dioscorea incayensis R.Knuth	Accepted		WCSP
Dioscorea inopinata Prain & Burkill	Accepted		WCSP
Dioscorea insignis C.V.Morton & B.G.Schub.	Accepted		WCSP
Dioscorea intempestiva Prain & Burkill	Synonym		WCSP
Dioscorea intermedia Thwaites	Accepted		WCSP
Dioscorea ionophylla Uline ex R.Knuth	Accepted		WCSP
Dioscorea iquitosensis R.Knuth	Accepted		WCSP
Dioscorea irupanensis R.Knuth	Accepted		WCSP
Dioscorea itapirensis R.Knuth	Accepted		WCSP
Dioscorea itatiensis R.Knuth	Accepted		WCSP
Dioscorea izuensis Akahori	Synonym		WCSP
Dioscorea jacquemontii Hook.f.	Synonym		WCSP
Dioscorea jaliscana S.Watson	Accepted		WCSP
Dioscorea jamesonii R.Knuth	Accepted		WCSP
Dioscorea japonica Thunb.	Accepted		WCSP
Dioscorea japonica var. formosensis Masam. & Suzuki	Synonym		TRO
Dioscorea japonica var. japonica	Accepted		WCSP
Dioscorea japonica var. kelungensis Prain & Burkill	Synonym		WCSP
Dioscorea japonica var. pseudojaponica (Hayata) Yamam.	Synonym		WCSP
Dioscorea japonica var. tenuiaxon Prain & Burkill	Synonym		TRO
Dioscorea japonica var. vera Prain & Burkill	Synonym		WCSP
Dioscorea javanica Queva	Synonym		WCSP
Dioscorea javariensis Ayala	Accepted		WCSP
Dioscorea joseensis R.Knuth	Synonym		WCSP
Dioscorea junodii Burtt Davy	Synonym		WCSP
Dioscorea juxtlahuacensis (O.Téllez & Dávila) Caddick & Wilkin	Accepted		WCSP
Dioscorea kalkapershadii Prain & Burkill	Accepted		WCSP
Dioscorea kamoonensis Kunth	Accepted		WCSP
Dioscorea kamoonensis var. brevifolia Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. delavayi (Franch.) Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. engleriana Prain & Burkill	Synonym		TRO
Dioscorea kamoonensis var. fargesii (Franch.) Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. henryi Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. praecox Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. straminea Prain & Burkill	Synonym		WCSP
Dioscorea kamoonensis var. vera Prain & Burkill	Synonym		WCSP
Dioscorea kaoi T.S.Liu & T.C.Huang	Synonym		WCSP
Dioscorea karatana Wilkin	Accepted		WCSP
Dioscorea keduensis Burkill ex Backer	Accepted		WCSP
Dioscorea kegeliana Griseb.	Synonym		WCSP
Dioscorea kelungensis R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea kelungensis Hayata	Synonym		WCSP
Dioscorea kerrii Prain & Burkill	Accepted		WCSP
Dioscorea kiangsiensis R.Knuth	Synonym		WCSP
Dioscorea killipii R.Knuth	Accepted		WCSP
Dioscorea kimiae Wilkin	Unresolved		WCSP (in review)
Dioscorea kingii R.Knuth	Accepted		WCSP
Dioscorea kita Queva	Synonym		WCSP
Dioscorea kjellbergii R.Knuth	Accepted		WCSP
Dioscorea kleiniana Kunth	Synonym		WCSP
Dioscorea klugii R.Knuth	Synonym		WCSP
Dioscorea knuthiana De Wild.	Accepted		WCSP
Dioscorea knuthii H.Perrier	Synonym		WCSP
Dioscorea koepperi Standl.	Accepted		WCSP
Dioscorea koordersii R.Knuth	Synonym		WCSP
Dioscorea korrorensis R.Knuth	Synonym		WCSP
Dioscorea koyamae Jayas.	Accepted		WCSP
Dioscorea kratica Prain & Burkill	Accepted		WCSP
Dioscorea kunthiana Uline ex R.Knuth	Synonym		WCSP
Dioscorea kuntzei Uline ex Kuntze	Accepted		WCSP
Dioscorea kweichowensis R.Knuth [Unplaced]	Unresolved		WCSP
Dioscorea lacerdaei Griseb.	Accepted		WCSP
Dioscorea laevis Uline	Accepted		WCSP
Dioscorea lagoa-santa Uline ex R.Knuth	Synonym		WCSP
Dioscorea lamprocaula Prain & Burkill	Accepted		WCSP
Dioscorea lanata Bail	Accepted		WCSP
Dioscorea lanceolata C.Wright ex Griseb.	Synonym		WCSP
Dioscorea lanosa Gleason	Synonym		WCSP
Dioscorea larecajensis Uline ex R.Knuth	Accepted		WCSP
Dioscorea lasseri Steyerm.	Unresolved		TRO
Dioscorea lasseriana Steyerm.	Accepted		WCSP
Dioscorea latifolia Benth.	Synonym		WCSP
Dioscorea laurifolia Wall. ex Hook.f.	Accepted		WCSP
Dioscorea laurifolia var. hookeri R.Knuth	Synonym		WCSP
Dioscorea lawrancei R.Knuth	Accepted		WCSP
Dioscorea laxiflora Mart. ex Griseb.	Accepted		WCSP
Dioscorea laxiflora Schltdl. [Illegitimate]	Synonym		WCSP
Dioscorea laxiflora var. auriculata Griseb.	Synonym		WCSP
Dioscorea laxiflora var. calystegioides (Kunth) Uline ex R.Knuth	Synonym		WCSP
Dioscorea laxiflora var. cincinnata Uline ex R.Knuth	Synonym		WCSP
Dioscorea laxiflora var. cissifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea laxiflora var. truncata Griseb.	Synonym		WCSP
Dioscorea laxiflora var. truncatolanceolata Uline ex R.Knuth	Synonym		WCSP
Dioscorea lecardii De Wild.	Synonym		WCSP
Dioscorea ledermannii R.Knuth	Synonym		WCSP
Dioscorea lehmannii Uline	Accepted		WCSP
Dioscorea leiboldiana Kunth	Synonym		WCSP
Dioscorea lepcharum Prain & Burkill	Accepted		WCSP
Dioscorea lepcharum var. bhamoica Prain & Burkill	Synonym		WCSP
Dioscorea lepida C.V.Morton	Accepted		WCSP
Dioscorea leptobotrys Uline ex R.Knuth	Accepted		WCSP
Dioscorea leptostachya Gardner	Synonym		WCSP
Dioscorea liebmannii Uline	Accepted		WCSP
Dioscorea liebrechtsiana De Wild. & T.Durand	Synonym		WCSP
Dioscorea lijiangensis C.L.Long & H.Li	Accepted		WCSP
Dioscorea lilela De Wild.	Synonym		WCSP
Dioscorea lilloi (Hauman) Hauman	Synonym		WCSP
Dioscorea lindiensis R.Knuth	Synonym		WCSP
Dioscorea lindmanii Uline ex R.Knuth	Synonym		WCSP
Dioscorea linearicordata Prain & Burkill	Accepted		WCSP
Dioscorea linearis Griseb. [Illegitimate]	Synonym		WCSP
Dioscorea linearis Bertero ex Colla	Synonym		WCSP
Dioscorea lisae Dorr & Stergios	Accepted		WCSP
Dioscorea listeri Prain & Burkill	Accepted		WCSP
Dioscorea litoie De Wild.	Synonym		WCSP
Dioscorea litoralis Phil.	Accepted		WCSP
Dioscorea lloydiana E.H.L.Krause	Synonym		WCSP
Dioscorea lobata Uline	Synonym		WCSP
Dioscorea lobata var. lasiophylla Uline ex R.Knuth	Synonym		WCSP
Dioscorea lobata var. morelosana Uline	Synonym		WCSP
Dioscorea loefgrenii R.Knuth	Accepted		WCSP
Dioscorea loheri Prain & Burkill	Accepted		WCSP
Dioscorea longespicata De Wildemann	Synonym		TRO
Dioscorea longicuspis R.Knuth	Accepted		WCSP
Dioscorea longifolia Phil. [Illegitimate]	Synonym		WCSP
Dioscorea longifolia Raf.	Synonym		WCSP
Dioscorea longipes Phil.	Accepted		WCSP
Dioscorea longipetiolata Baudon	Synonym		WCSP
Dioscorea longirachis R.Knuth	Synonym		WCSP
Dioscorea longirhiza Caddick & Wilkin	Accepted		WCSP
Dioscorea longispicata De Wild.	Synonym		WCSP
Dioscorea longituba Uline	Accepted		WCSP
Dioscorea lorentzii Uline ex R.Knuth	Synonym		WCSP
Dioscorea lorentzii var. mandonii Uline ex R.Knuth	Synonym		WCSP
Dioscorea lucida Scott-Elliot [Illegitimate]	Synonym		WCSP
Dioscorea lucida R.Br.	Synonym		WCSP
Dioscorea lufensis R.Knuth	Synonym		WCSP
Dioscorea lunata Roth	Synonym		WCSP
Dioscorea lundii Uline ex R.Knuth	Accepted		WCSP
Dioscorea luschnathiana Kunth	Synonym		WCSP
Dioscorea lusnachtiana R. Knuth	Synonym		TRO
Dioscorea lutea G.Mey.	Synonym		WCSP
Dioscorea luzonensis Schauer	Accepted		WCSP
Dioscorea macabiha Jum. & H.Perrier	Synonym		WCSP
Dioscorea macbrideana R.Knuth	Accepted		WCSP
Dioscorea maciba Jum. & H.Perrier	Synonym		WCSP
Dioscorea macrantha Uline ex R.Knuth	Accepted		WCSP
Dioscorea macrocapsa Uline	Synonym		WCSP
Dioscorea macrocapsa R. Knuth	Synonym		TRO
Dioscorea macrophylla M.Martens & Galeotti	Synonym		WCSP
Dioscorea macrophylla Schltdl.	Synonym		TRO
Dioscorea macrostachya Benth.	Synonym		WCSP
Dioscorea macrostachya M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Dioscorea macrostachya var. palmeri (R.Knuth) C.V.Morton	Synonym		WCSP
Dioscorea macrostachya var. sessiliflora Uline	Synonym		WCSP
Dioscorea macrothyrsa Uline	Accepted		WCSP
Dioscorea macroura Harms	Synonym		WCSP
Dioscorea macvaughii B.G.Schub.	Accepted		WCSP
Dioscorea madagascariensis R.Knuth	Synonym		WCSP
Dioscorea madecassa H.Perrier	Accepted		WCSP
Dioscorea madiunensis Prain & Burkill	Accepted		WCSP
Dioscorea maianthemoides Uline ex R.Knuth	Accepted		WCSP
Dioscorea mairei R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea mairei H.Lév.	Synonym		WCSP
Dioscorea majungensis R.Knuth	Synonym		WCSP
Dioscorea mako H. Perrier	Synonym		TRO
Dioscorea malchairii De Wild.	Synonym		WCSP
Dioscorea malifolia Baker	Synonym		WCSP
Dioscorea malifolia	Synonym		TRO
Dioscorea maliliensis R.Knuth	Synonym		WCSP
Dioscorea mamillata Jum. & H.Perrier	Accepted		WCSP
Dioscorea mandonii Rusby	Accepted		WCSP
Dioscorea mangenotiana J.Miège	Accepted		WCSP
Dioscorea mantigueirensis R.Knuth	Accepted		WCSP
Dioscorea maranonensis R.Knuth	Synonym		WCSP
Dioscorea mareka H. Perrier	Synonym		TRO
Dioscorea margarethia G.M.Barroso, E.F.Guim. & Sucre	Accepted		WCSP
Dioscorea marginata Griseb.	Accepted		WCSP
Dioscorea marlothii R.Knuth	Synonym		WCSP
Dioscorea martensis R.Knuth	Accepted		WCSP
Dioscorea martiana Griseb.	Accepted		WCSP
Dioscorea martiana var. caudata R.Knuth	Synonym		WCSP
Dioscorea martiana var. leptostachya (Gardner) Uline ex R.Knuth	Synonym		WCSP
Dioscorea martiana var. pedicellata R.Knuth	Synonym		WCSP
Dioscorea martini Prain & Burkill	Accepted		WCSP
Dioscorea martinicensis Spreng.	Synonym		WCSP
Dioscorea matagalpensis Uline	Accepted		WCSP
Dioscorea matsudae Hayata	Synonym		WCSP
Dioscorea matudae O.Téllez & B.G.Schub.	Accepted		WCSP
Dioscorea maximowiczii Uline ex R.Knuth	Synonym		WCSP
Dioscorea maynensis Kunth	Synonym		WCSP
Dioscorea mayottensis Wilkin	Accepted		WCSP
Dioscorea megacarpa Gleason	Accepted		WCSP
Dioscorea megalantha Griseb.	Accepted		WCSP
Dioscorea megalantha var. lilloi Hauman	Synonym		WCSP
Dioscorea megalantha var. subsessilis Hauman	Synonym		WCSP
Dioscorea megalantha var. typica Griseb. emend. Hauman	Synonym		TRO
Dioscorea megalobotrya Kunth & R.H.Schomb.	Synonym		WCSP
Dioscorea megaptera Raf.	Synonym		WCSP
Dioscorea melanophyma Prain & Burkill	Accepted		WCSP
Dioscorea melastomatifolia Uline ex Prain	Accepted		WCSP
Dioscorea membranacea Pierre ex Prain & Burkill	Accepted		WCSP
Dioscorea menglaensis H.Li	Accepted		WCSP
Dioscorea mengtzeana R.Knuth	Synonym		WCSP
Dioscorea meridensis Kunth	Accepted		WCSP
Dioscorea merrillii Prain & Burkill	Accepted		WCSP
Dioscorea mesoamericana O.Téllez & Mart.-Rodr.	Accepted		WCSP
Dioscorea mexicana Scheidw.	Accepted		WCSP
Dioscorea mexicana var. sessiliflora (Uline) Matuda	Synonym		WCSP
Dioscorea micrantha Kunth	Synonym		WCSP
Dioscorea microbotrya Griseb.	Accepted		WCSP
Dioscorea microbotrya var. grandifolia Hauman	Synonym		WCSP
Dioscorea microcephala Uline	Accepted		WCSP
Dioscorea microcuspis Baker	Synonym		WCSP
Dioscorea microphylla Steud. [Invalid]	Synonym		WCSP
Dioscorea microura R.Knuth	Accepted		WCSP
Dioscorea mildbraediana R.Knuth	Synonym		WCSP
Dioscorea mildbraedii R.Knuth	Synonym		WCSP
Dioscorea militaris C.B.Rob.	Accepted		WCSP
Dioscorea mindanaensis R.Knuth	Accepted		WCSP
Dioscorea minima C.B.Rob. & Seaton	Accepted		WCSP
Dioscorea minutiflora Engl.	Accepted		WCSP
Dioscorea mitis C.V.Morton	Accepted		WCSP
Dioscorea mitoensis R.Knuth	Accepted		WCSP
Dioscorea modesta Phil.	Accepted		WCSP
Dioscorea mollis Kunth	Accepted		WCSP
Dioscorea mollis var. pachycarpa (Kunth) Uline ex R.Knuth	Synonym		WCSP
Dioscorea mollissima Blume	Synonym		WCSP
Dioscorea moma De Wild.	Synonym		WCSP
Dioscorea monadelpha (Kunth) Griseb.	Accepted		WCSP
Dioscorea monadelpha var. opaca Hicken	Synonym		WCSP
Dioscorea monadelphoides J.F.Macbr. [Illegitimate]	Synonym		WCSP
Dioscorea monadelphoides var. longirachis (R.Knuth) Ayala	Synonym		WCSP
Dioscorea × monandra Hauman	Accepted		WCSP
Dioscorea montana (Burch.) Spreng.	Synonym		WCSP
Dioscorea montana var. duemmeri R.Knuth	Synonym		WCSP
Dioscorea montana var. glauca R.Knuth	Synonym		WCSP
Dioscorea montana var. lobata Weim.	Synonym		WCSP
Dioscorea montana var. paniculata (Kuntze) R.Knuth	Synonym		WCSP
Dioscorea montana var. sagittata Suess.	Synonym		WCSP
Dioscorea montecristina Hadac	Synonym		WCSP
Dioscorea morelosana (Uline) Matuda	Accepted		WCSP
Dioscorea moritziana (Kunth) R.Knuth	Accepted		WCSP
Dioscorea morobeensis R.Knuth	Synonym		WCSP
Dioscorea morsei Prain & Burkill	Synonym		WCSP
Dioscorea mosqueirensis R.Knuth	Accepted		WCSP
Dioscorea moultonii Prain & Burkill	Accepted		WCSP
Dioscorea mourae Uline	Unresolved		TRO
Dioscorea moyobambensis R.Knuth	Accepted		WCSP
Dioscorea mucronata Uline ex R.Knuth	Accepted		WCSP
Dioscorea multicolor Linden & André	Synonym		WCSP
Dioscorea multicolor var. chrysophylla Linden & André	Synonym		WCSP
Dioscorea multicolor var. melanoleuca Linden & André	Synonym		WCSP
Dioscorea multicolor var. metallica Linden & André	Synonym		WCSP
Dioscorea multicolor var. sagittaria Linden & André	Synonym		WCSP
Dioscorea multiflora Mart. ex Griseb.	Accepted		WCSP
Dioscorea multiflora Engl. ex Pax [Spelling variant]	Synonym		WCSP
Dioscorea multiflora C.Presl [Illegitimate]	Synonym		WCSP
Dioscorea multiflora Mart.	Synonym		TRO
Dioscorea multiflora var. asuncianensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea multiflora var. asuncionensis Uline	Synonym		WCSP
Dioscorea multiflora var. concepcionis Pellegr.	Synonym		WCSP
Dioscorea multiflora var. gouanioides Chodat & Hassl.	Synonym		WCSP
Dioscorea multiflora var. grandifolia Griseb.	Synonym		WCSP
Dioscorea multiflora var. lofgrenii R.Knuth	Synonym		WCSP
Dioscorea multiflora var. parvifolia Griseb.	Synonym		WCSP
Dioscorea multiloba Kunth	Accepted		WCSP
Dioscorea multiloba R. Knuth	Synonym		TRO
Dioscorea multinervis Benth.	Accepted		WCSP
Dioscorea multispicata R.Knuth	Synonym		WCSP
Dioscorea mundtii Baker	Accepted		WCSP
Dioscorea myriantha Kunth	Synonym		WCSP
Dioscorea nako H.Perrier	Accepted		WCSP
Dioscorea namorokensis Wilkin	Accepted		WCSP
Dioscorea nana Poepp.	Accepted		WCSP
Dioscorea nana Schltdl. [Illegitimate]	Synonym		WCSP
Dioscorea nanlaensis H.Li	Accepted		WCSP
Dioscorea narinensis R.Knuth	Synonym		WCSP
Dioscorea natalensis R.Knuth	Accepted		WCSP
Dioscorea natalia Hammel	Accepted		WCSP
Dioscorea neblinensis Maguire & Steyerm.	Accepted		WCSP
Dioscorea neglecta R.Knuth	Synonym		WCSP
Dioscorea nelsonii Uline ex R.Knuth	Accepted		WCSP
Dioscorea nematodes Uline ex R.Knuth	Accepted		WCSP
Dioscorea nentaphylla L.	Unresolved		TRO
Dioscorea nepalensis (Jacquem. ex Prain & Burkill) Sweet ex Bernardi	Synonym		WCSP
Dioscorea nervata R.Knuth	Accepted		WCSP
Dioscorea nervosa Phil.	Accepted		WCSP
Dioscorea nesiotis Hemsl.	Synonym		WCSP
Dioscorea nicolasensis R.Knuth	Accepted		WCSP
Dioscorea niederleinii R.Knuth	Synonym		WCSP
Dioscorea nieuwenhuisii Prain & Burkill	Accepted		WCSP
Dioscorea nigrescens R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea nigrescens Phil.	Synonym		WCSP
Dioscorea nipensis R.A.Howard	Accepted		WCSP
Dioscorea nipponica Makino	Accepted		WCSP
Dioscorea nipponica var. jamesii Prain & Burkill	Synonym		WCSP
Dioscorea nipponica subsp. rosthornii (Diels) C.T.Ting	Synonym		WCSP
Dioscorea nipponica var. rosthornii (Diels) Prain & Burkill	Synonym		WCSP
Dioscorea nitens Prain & Burkill	Accepted		WCSP
Dioscorea nitida R.Knuth	Synonym		WCSP
Dioscorea nodosa R.Knuth	Synonym		WCSP
Dioscorea novemloba Steud. ex F.Phil. [Invalid]	Synonym		WCSP
Dioscorea nuda R.Knuth	Accepted		WCSP
Dioscorea nummularia Lam.	Accepted		WCSP
Dioscorea nummularia Roxb.	Synonym		TRO
Dioscorea nummularia var. belophylla Prain	Synonym		WCSP
Dioscorea nummularia var. glauca Prain & Burkill	Synonym		WCSP
Dioscorea nummularia var. lata R.Knuth	Synonym		WCSP
Dioscorea nurii R.Knuth	Synonym		WCSP
Dioscorea nutans R.Knuth	Accepted		WCSP
Dioscorea oaxacensis Uline	Accepted		WCSP
Dioscorea obcuneata Hook.f.	Accepted		WCSP
Dioscorea oblonga Gleason	Accepted		WCSP
Dioscorea oblongifolia Rusby	Accepted		WCSP
Dioscorea obtusifolia Hook. & Arn.	Accepted		WCSP
Dioscorea obtusifolia var. philippii Uline ex R.Knuth	Synonym		WCSP
Dioscorea occidentalis R.Knuth	Synonym		WCSP
Dioscorea ochroleuca K.Y.Guan & D.F.Chamb.	Synonym		WCSP
Dioscorea odoratissima Pax	Synonym		WCSP
Dioscorea oenea Prain & Burkill	Synonym		WCSP
Dioscorea olfersiana Klotzsch ex Griseb.	Accepted		WCSP
Dioscorea oligophylla Phil.	Accepted		WCSP
Dioscorea omiltemensis O.Téllez	Accepted		WCSP
Dioscorea opaca R.Knuth	Accepted		WCSP
Dioscorea opposita Thunb.	Synonym		WCSP
Dioscorea oppositiflora Griseb.	Accepted		WCSP
Dioscorea oppositifolia L.	Accepted		WCSP
Dioscorea oppositifolia var. dukhunensis Prain & Burkill	Synonym		WCSP
Dioscorea oppositifolia var. linnaei Prain & Burkill	Synonym		WCSP
Dioscorea oppositifolia var. thwaitesii Prain & Burkill	Synonym		WCSP
Dioscorea orangeana Wilkin	Unresolved		WCSP (in review)
Dioscorea orbicularis A.Chev. ex De Wild. [Invalid]	Synonym		WCSP
Dioscorea orbiculata Hook.f.	Accepted		WCSP
Dioscorea orbiculata var. tenuifolia (Ridl.) Thapyai	Accepted		WCSP
Dioscorea oreodoxa B.G.Schub.	Accepted		WCSP
Dioscorea organensis R.Knuth	Accepted		WCSP
Dioscorea orientalis (J.Thiébaut) Caddick & Wilkin	Accepted		WCSP
Dioscorea orizabensis Uline	Accepted		WCSP
Dioscorea orizabensis Uline ex R. Knuth	Unresolved		TRO
Dioscorea orthogoneura Uline ex Hochr.	Accepted		WCSP
Dioscorea orthogoneura var. acutissima Uline ex R.Knuth	Synonym		WCSP
Dioscorea orthogoneura var. brevispicata Uline ex R.Knuth	Synonym		WCSP
Dioscorea orthogoneura var. meiapontensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea oryzetorum Prain & Burkill	Accepted		WCSP
Dioscorea oryzetorum var. angustifolia Prain & Burkill	Synonym		WCSP
Dioscorea oryzetorum var. latifolia Prain & Burkill	Synonym		WCSP
Dioscorea oryzetorum var. mediifolia Prain & Burkill	Synonym		WCSP
Dioscorea ovalifolia R.Knuth	Accepted		WCSP
Dioscorea ovata Vell.	Accepted		WCSP
Dioscorea ovifotsy H.Perrier	Synonym		WCSP
Dioscorea ovinala Baker	Accepted		WCSP
Dioscorea owenii Prain & Burkill [Unplaced]	Unresolved		WCSP
Dioscorea oxyphylla R.Knuth	Synonym		WCSP
Dioscorea pachycarpa Kunth	Synonym		WCSP
Dioscorea palauensis R.Knuth	Synonym		WCSP
Dioscorea palawana Prain & Burkill	Accepted		WCSP
Dioscorea paleata Burkill	Accepted		WCSP
Dioscorea pallens Schltdl.	Accepted		WCSP
Dioscorea pallidinervia R.Knuth	Accepted		WCSP
Dioscorea palmata Juss. ex Pers.	Synonym		WCSP
Dioscorea palmeri R.Knuth	Accepted		WCSP
Dioscorea palopoensis R.Knuth	Synonym		WCSP
Dioscorea panamensis R.Knuth	Accepted		WCSP
Dioscorea paniculata Michx.	Synonym		WCSP
Dioscorea paniculata var. glabrifolia Bartlett	Synonym		WCSP
Dioscorea panthaica Prain & Burkill	Accepted		WCSP
Dioscorea pantojensis R.Knuth	Accepted		WCSP
Dioscorea papillaris Blanco	Synonym		WCSP
Dioscorea papuana Warb.	Synonym		WCSP
Dioscorea papuana Ridl. [Illegitimate]	Synonym		WCSP
Dioscorea paradoxa Prain & Burkill	Accepted		WCSP
Dioscorea paraguayensis R.Knuth	Synonym		WCSP
Dioscorea paranensis R.Knuth	Synonym		WCSP
Dioscorea parviflora Phil.	Synonym		WCSP
Dioscorea parviflora C.T.Ting [Illegitimate]	Synonym		WCSP
Dioscorea parvifolia Phil.	Synonym		WCSP
Dioscorea paupera Phil.	Synonym		WCSP
Dioscorea pavonii Uline ex R.Knuth	Accepted		WCSP
Dioscorea pedatifida Phil.	Synonym		WCSP
Dioscorea pedicellata Phil.	Accepted		WCSP
Dioscorea pedicellata Morong [Illegitimate]	Synonym		WCSP
Dioscorea pellegrinii Hassl. ex R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea peltata Burm.f.	Synonym		WCSP
Dioscorea pencana Phil.	Accepted		WCSP
Dioscorea pendula R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea pendula Poepp. ex Kunth	Accepted		WCSP
Dioscorea pennellii R.Knuth	Synonym		WCSP
Dioscorea pennellii var. pilosula R.Knuth	Synonym		WCSP
Dioscorea pentadactyla (Pax) Welw.	Synonym		WCSP
Dioscorea pentaphylla L.	Accepted		WCSP
Dioscorea pentaphylla A. Rich.	Synonym		TRO
Dioscorea pentaphylla var. cardonii Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. communis Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. hortorum Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. jacquemontii (Hook.f.) Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. kussok Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. linnaei Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. malaica Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. papuana Burkill	Synonym		WCSP
Dioscorea pentaphylla var. rheedei Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. simplicifolia Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. suli Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. thwaitesii Prain & Burkill	Synonym		WCSP
Dioscorea pentaphylla var. unifoliata R.Knuth	Synonym		WCSP
Dioscorea peperoides Prain & Burkill	Accepted		WCSP
Dioscorea peperoides var. peperoides	Accepted		WCSP
Dioscorea peperoides var. sagittifolia Prain & Burkill	Synonym		WCSP
Dioscorea peperoides var. vera Prain & Burkill	Synonym		WCSP
Dioscorea perdicum Taub.	Accepted		WCSP
Dioscorea perenensis R.Knuth	Accepted		WCSP
Dioscorea perforata Bertero ex Spreng. [Unplaced]	Unresolved		WCSP
Dioscorea permollis R.Knuth	Synonym		WCSP
Dioscorea perpilosa H.Perrier	Accepted		WCSP
Dioscorea perrieri R.Knuth	Synonym		WCSP
Dioscorea persimilis Prain & Burkill	Synonym		WCSP
Dioscorea persimilis var. pubescens C.T.Ting & M.C.Chang	Synonym		WCSP
Dioscorea petelotii Prain & Burkill	Accepted		WCSP
Dioscorea peteri R.Knuth	Synonym		WCSP
Dioscorea phaseoloides Pax	Synonym		WCSP
Dioscorea philippiana Uline ex R.Knuth	Accepted		WCSP
Dioscorea piauhyensis R.Knuth	Accepted		WCSP
Dioscorea pichinchensis R.Knuth	Synonym		WCSP
Dioscorea pierrei Prain & Burkill	Accepted		WCSP
Dioscorea pilcomayensis Hauman	Accepted		WCSP
Dioscorea pilgeriana R.Knuth	Accepted		WCSP
Dioscorea pilosiuscula Bertero ex Spreng.	Accepted		WCSP
Dioscorea pilosiuscula var. panamensis R.Knuth	Synonym		WCSP
Dioscorea pimichinensis R. Knuth ex C.I. Sandwith	Synonym		TRO
Dioscorea piminchensis R. Knuth	Synonym		TRO
Dioscorea pinedensis R.Knuth	Accepted		WCSP
Dioscorea piperifolia Griseb. [Illegitimate]	Synonym		WCSP
Dioscorea piperifolia Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea piperifolia Klotzsch ex Kunth [Illegitimate]	Synonym		WCSP
Dioscorea piperifolia var. apiculata Uline	Synonym		WCSP
Dioscorea piperifolia var. glandulosa Griseb.	Synonym		WCSP
Dioscorea piperifolia var. legitima Griseb.	Synonym		WCSP
Dioscorea piperifolia var. obtusifolia Chodat & Hassl.	Synonym		WCSP
Dioscorea piperifolia var. triangularis Griseb.	Synonym		WCSP
Dioscorea piratinyensis R.Knuth	Synonym		WCSP
Dioscorea pirita Nadeaud	Synonym		WCSP
Dioscorea piscatorum Prain & Burkill	Accepted		WCSP
Dioscorea pittieri R.Knuth	Accepted		WCSP
Dioscorea planistipulosa Uline ex R.Knuth	Accepted		WCSP
Dioscorea plantaginifolia R.Knuth	Accepted		WCSP
Dioscorea platanifolia Prain & Burkill	Synonym		WCSP
Dioscorea platycarpa Prain & Burkill	Accepted		WCSP
Dioscorea platycolpota Uline ex B.L.Rob.	Accepted		WCSP
Dioscorea platystemon Hauman	Synonym		WCSP
Dioscorea plumifera C.B.Rob.	Accepted		WCSP
Dioscorea poeppigii Kunth	Synonym		WCSP
Dioscorea pohlii Griseb.	Accepted		WCSP
Dioscorea pohlii var. luschnathiana (Kunth) Uline ex R.Knuth	Accepted		WCSP
Dioscorea poilanei Prain & Burkill	Accepted		WCSP
Dioscorea polyantha Rendle	Synonym		WCSP
Dioscorea polyanthes (F.Phil.) Caddick & Wilkin	Accepted		WCSP
Dioscorea polyclados Hook.f.	Accepted		WCSP
Dioscorea polyclados var. oblongifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea polygonoides M.Martens & Galeotti [Illegitimate]	Synonym		WCSP
Dioscorea polygonoides Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea polygonoides var. aperta R.Knuth	Synonym		WCSP
Dioscorea polygonoides var. martinicensis (Spreng.) R.Knuth	Synonym		WCSP
Dioscorea polygonoides var. scorpioidea Uline	Synonym		WCSP
Dioscorea polygonoides var. sieberi (Kunth) Uline	Synonym		WCSP
Dioscorea polyphylla R.Knuth	Synonym		WCSP
Dioscorea polystachya Turcz.	Accepted		WCSP
Dioscorea pomeroonensis R.Knuth	Accepted		WCSP
Dioscorea porteri Prain & Burkill ex Ridl.	Synonym		WCSP
Dioscorea potaninii Prain & Burkill	Synonym		WCSP
Dioscorea potarensis R.Knuth	Accepted		WCSP
Dioscorea pozucoensis R.Knuth	Synonym		WCSP
Dioscorea praecox Prain & Burkill	Synonym		WCSP
Dioscorea praehensilis Benth.	Accepted		WCSP
Dioscorea praehensilis auct.	Synonym		TRO
Dioscorea praehensilis var. minutiflora (Engl.) Baker	Synonym		WCSP
Dioscorea praehensilis var. minutiflora Baker P. P.	Synonym		TRO
Dioscorea praetervisa R.Knuth	Synonym		WCSP
Dioscorea prainiana R.Knuth	Accepted		WCSP
Dioscorea prazeri Prain & Burkill	Accepted		WCSP
Dioscorea preangeriana Uline ex R.Knuth	Synonym		WCSP
Dioscorea preslii Steud.	Accepted		WCSP
Dioscorea preussii Pax	Accepted		WCSP
Dioscorea preussii subsp. hylophila (Harms) Wilkin	Accepted		WCSP
Dioscorea preussii subsp. preussii	Accepted		WCSP
Dioscorea pringlei C.B.Rob.	Accepted		WCSP
Dioscorea prismatica Linden & André	Synonym		WCSP
Dioscorea propinqua Hemsl.	Synonym		WCSP
Dioscorea proteiformis H.Perrier	Accepted		WCSP
Dioscorea pruinosa A.Chev. [Invalid]	Synonym		WCSP
Dioscorea pruinosa Kunth	Synonym		WCSP
Dioscorea psammophila R.Knuth	Accepted		WCSP
Dioscorea pseudobatatas (Hauman) Herter	Synonym		WCSP
Dioscorea pseudojaponica Hayata	Synonym		WCSP
Dioscorea pseudomacrocapsa G.M.Barroso, E.F.Guim. & Sucre	Accepted		WCSP
Dioscorea pseudonitens Prain & Burkill	Accepted		WCSP
Dioscorea pseudorajanioides R.Knuth	Accepted		WCSP
Dioscorea pseudotomentosa Prain & Burkill	Accepted		WCSP
Dioscorea pterocaulon De Wild. & T.Durand	Synonym		WCSP
Dioscorea pterocaulon De Wildemann & T. Du	Synonym		TRO
Dioscorea pteropoda Boivin ex H.Perrier	Accepted		WCSP
Dioscorea pubera Blume	Accepted		WCSP
Dioscorea pubescens Poir.	Accepted		WCSP
Dioscorea pulchella Roxb.	Synonym		WCSP
Dioscorea pulverea Prain & Burkill	Synonym		WCSP
Dioscorea pumicicola Uline	Accepted		WCSP
Dioscorea pumila Sessé & Moc.	Synonym		WCSP
Dioscorea pumilio Griseb.	Accepted		WCSP
Dioscorea punctata R.Br.	Synonym		WCSP
Dioscorea puncticulata R.Knuth	Accepted		WCSP
Dioscorea purdiei R.Knuth	Accepted		WCSP
Dioscorea purpurea Roxb.	Synonym		WCSP
Dioscorea pusilla Hook.	Synonym		WCSP
Dioscorea putisensis R.Knuth	Accepted		WCSP
Dioscorea putumayensis R.Knuth	Accepted		WCSP
Dioscorea pynaertii De Wild.	Accepted		WCSP
Dioscorea pynaertioides De Wild.	Synonym		WCSP
Dioscorea pyrenaica Bubani & Bordère ex Gren.	Accepted		WCSP
Dioscorea pyrifolia Kunth	Accepted		WCSP
Dioscorea pyrifolia var. diepenhorstii Prain & Burkill	Synonym		WCSP
Dioscorea pyrifolia var. ferruginea Prain & Burkill	Synonym		WCSP
Dioscorea quartiniana A.Rich.	Accepted		WCSP
Dioscorea quartiniana var. apiculata (De Wild.) Burkill	Synonym		WCSP
Dioscorea quartiniana var. cryptantha (Baker) Burkill	Synonym		WCSP
Dioscorea quartiniana var. dinteri (Schinz) Burkill	Synonym		WCSP
Dioscorea quartiniana var. excisa (R.Knuth) Burkill	Synonym		WCSP
Dioscorea quartiniana var. forbesii (Baker) Burkill	Synonym		WCSP
Dioscorea quartiniana var. hochstetteri Engl.	Synonym		WCSP
Dioscorea quartiniana var. holstii (Harms) Burkill	Synonym		WCSP
Dioscorea quartiniana var. latifolia R.Knuth	Synonym		WCSP
Dioscorea quartiniana var. pentadactyla Pax	Synonym		WCSP
Dioscorea quartiniana var. phaseoloides (Pax) Burkill	Synonym		WCSP
Dioscorea quartiniana var. schliebenii Burkill	Synonym		WCSP
Dioscorea quartiniana var. schweinfurthiana (Pax) Burkill	Synonym		WCSP
Dioscorea quartiniana var. stuhlmannii (Harms) Burkill	Synonym		WCSP
Dioscorea quartiniana var. subpedata Chiov.	Synonym		WCSP
Dioscorea quartiniana var. vestita R.Knuth	Synonym		WCSP
Dioscorea quaternata Walter	Synonym		WCSP
Dioscorea quaternata J.F. Gmel.	Synonym		TRO
Dioscorea quaternata var. glauca (Muhl. ex L.C.Beck) Fernald	Synonym		WCSP
Dioscorea quinata Walter	Synonym		WCSP
Dioscorea quinquefoliolata R.Knuth	Synonym		WCSP
Dioscorea quinqueloba Thunb.	Synonym		WCSP
Dioscorea quinquelobata Vell. [Illegitimate]	Synonym		WCSP
Dioscorea quinquelobata Thunb.	Accepted		WCSP
Dioscorea quirogae R.Knuth	Synonym		WCSP
Dioscorea quispicanchensis R.Knuth	Accepted		WCSP
Dioscorea racemosa Rusby [Illegitimate]	Synonym		WCSP
Dioscorea racemosa (Klotzsch) Uline	Accepted		WCSP
Dioscorea racemosa var. hoffmannii Uline	Synonym		WCSP
Dioscorea raishaensis Hayata	Synonym		WCSP
Dioscorea rajanioides Uline ex R.Knuth	Synonym		WCSP
Dioscorea ramonensis R.Knuth	Synonym		WCSP
Dioscorea rangunensis R.Knuth	Synonym		WCSP
Dioscorea ravenii Ayala	Synonym		WCSP
Dioscorea raymundii R.Knuth	Synonym		WCSP
Dioscorea recurva Rusby	Synonym		WCSP
Dioscorea regnellii Uline ex R.Knuth	Accepted		WCSP
Dioscorea rehmannii Baker	Synonym		WCSP
Dioscorea remota C.V.Morton	Accepted		WCSP
Dioscorea remotiflora Kunth	Accepted		WCSP
Dioscorea remotiflora var. maculata Uline	Synonym		WCSP
Dioscorea remotiflora var. palmeri Uline	Synonym		WCSP
Dioscorea remotiflora var. sparsiflora (Hemsl.) Uline	Synonym		WCSP
Dioscorea repanda Raf. [Illegitimate]	Synonym		WCSP
Dioscorea repanda Blume	Synonym		WCSP
Dioscorea reticulata Gay	Accepted		WCSP
Dioscorea reticulata var. nervosa (Phil.) L.E.Navas	Synonym		WCSP
Dioscorea reticulata var. scabriuscula Speg.	Synonym		TRO
Dioscorea retusa Mast.	Accepted		WCSP
Dioscorea reversiflora Uline	Accepted		WCSP
Dioscorea revillae Ayala	Synonym		WCSP
Dioscorea rhacodes Peter ex R.Knuth	Synonym		WCSP
Dioscorea rhipogonoides Oliv.	Synonym		WCSP
Dioscorea ridleyi Prain & Burkill	Accepted		WCSP
Dioscorea riedelii R.Knuth	Accepted		WCSP
Dioscorea rigida R.Knuth	Accepted		WCSP
Dioscorea rimbachii R.Knuth	Accepted		WCSP
Dioscorea riparia Kunth & R.H.Schomb.	Synonym		WCSP
Dioscorea rockii Prain & Burkill	Accepted		WCSP
Dioscorea rogersii Prain & Burkill	Synonym		WCSP
Dioscorea rosei R.Knuth	Accepted		WCSP
Dioscorea rosthornii Diels	Synonym		WCSP
Dioscorea rotundata Poir.	Synonym		WCSP
Dioscorea rotundifoliolata R.Knuth	Synonym		WCSP
Dioscorea rubella Roxb.	Synonym		WCSP
Dioscorea rubiginosa Benth.	Synonym		WCSP
Dioscorea rubricaulis Kunth	Synonym		WCSP
Dioscorea ruiziana Klotzsch ex Kunth	Synonym		WCSP
Dioscorea rumicoides Griseb.	Accepted		WCSP
Dioscorea rumicoides var. longibracteata R.Knuth	Synonym		WCSP
Dioscorea rupicola Kunth	Accepted		WCSP
Dioscorea rusbyi Uline	Accepted		WCSP
Dioscorea ryanii	Unresolved		TRO
Dioscorea sabarensis R.Knuth	Accepted		WCSP
Dioscorea sagittata Poir.	Accepted		WCSP
Dioscorea sagittata Royle [Invalid]	Synonym		WCSP
Dioscorea sagittifolia Pax	Accepted		WCSP
Dioscorea sagittifolia var. lecardii (De Wild.) Nkounkou	Accepted		WCSP
Dioscorea saidae R.Knuth	Synonym		WCSP
Dioscorea salicifolia Blume	Accepted		WCSP
Dioscorea salvadorensis Standl.	Accepted		WCSP
Dioscorea sambiranensis R.Knuth	Accepted		WCSP
Dioscorea samydea Griseb.	Synonym		WCSP
Dioscorea samydea var. corcovadensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea samydea var. cordovadensis Uline	Synonym		TRO
Dioscorea samydea var. poeppigii (Kunth) Ayala	Synonym		WCSP
Dioscorea sanchez-colini Matuda	Accepted		WCSP
Dioscorea sandakanensis R.Knuth	Synonym		WCSP
Dioscorea sandiensis R.Knuth	Accepted		WCSP
Dioscorea sandwithii B.G.Schub.	Accepted		WCSP
Dioscorea sanpaulensis R.Knuth	Accepted		WCSP
Dioscorea sansibarensis Pax	Accepted		WCSP
Dioscorea santanderensis R.Knuth	Accepted		WCSP
Dioscorea santosensis R.Knuth	Accepted		WCSP
Dioscorea sapindioides C.Presl	Synonym		WCSP
Dioscorea sapinii De Wild.	Synonym		WCSP
Dioscorea sarasinii Uline ex R.Knuth	Accepted		WCSP
Dioscorea sarawakensis R.Knuth	Synonym		WCSP
Dioscorea sativa L.	Synonym		WCSP
Dioscorea sativa Thunb.	Synonym		TRO
Dioscorea sativa J. Presl	Synonym		TRO
Dioscorea sativa Munro	Synonym		TRO
Dioscorea sativa f. domestica Makino	Synonym		WCSP
Dioscorea sativa var. elongata F.M.Bailey	Synonym		WCSP
Dioscorea sativa var. rotunda F.M.Bailey	Synonym		WCSP
Dioscorea saxatilis Poepp.	Accepted		WCSP
Dioscorea scabra Humb. & Bonpl. ex Willd.	Accepted		WCSP
Dioscorea scabra var. aspera (Humb. & Bonpl. ex Willd.) Uline ex R.Knuth	Synonym		WCSP
Dioscorea scandens Kunze ex Kunth	Synonym		WCSP
Dioscorea schimperiana Hochst. ex Kunth	Accepted		WCSP
Dioscorea schimperiana var. adamaowense Jacq.-Fél.	Synonym		WCSP
Dioscorea schimperiana var. nigrescens Uline ex R.Knuth	Synonym		WCSP
Dioscorea schimperiana var. vestita Pax	Synonym		WCSP
Dioscorea schlechtendalii Kunth	Synonym		WCSP
Dioscorea schlechteri Harms [Invalid]	Synonym		WCSP
Dioscorea schliebenii R.Knuth	Synonym		WCSP
Dioscorea schomburgkiana (Kunth) Hochr.	Synonym		WCSP
Dioscorea schomburgkiana Kunth ex R.H. Schomb.	Synonym		TRO
Dioscorea schubertiae Ayala	Accepted		WCSP
Dioscorea schunkei Ayala & T.Clayton	Accepted		WCSP
Dioscorea schwackei Uline ex R.Knuth	Accepted		WCSP
Dioscorea schweinfurthiana Pax	Synonym		WCSP
Dioscorea scorpioidea C.Wright	Synonym		WCSP
Dioscorea scortechinii Prain & Burkill	Accepted		WCSP
Dioscorea scortechinii var. parviflora Prain & Burkill	Synonym		WCSP
Dioscorea secunda R.Knuth	Accepted		WCSP
Dioscorea seemannii Prain & Burkill	Synonym		WCSP
Dioscorea sellowiana Uline ex R.Knuth	Accepted		WCSP
Dioscorea sellowiana var. mantiqueirensis R.Knuth	Synonym		WCSP
Dioscorea semperflorens Uline	Accepted		WCSP
Dioscorea seniavinii Prain & Burkill	Synonym		WCSP
Dioscorea septemloba Thunb.	Accepted		WCSP
Dioscorea septemloba Griseb. [Invalid]	Synonym		WCSP
Dioscorea septemloba var. platyphylla M.Mizush. ex T.Shimizu	Synonym		WCSP
Dioscorea septemnervis Vell.	Accepted		WCSP
Dioscorea sericea R.Knuth	Accepted		WCSP
Dioscorea seriflora Jum. & H.Perrier	Accepted		WCSP
Dioscorea serpenticola Hoque & P.K.Mukh.	Accepted		WCSP
Dioscorea sessiliflora McVaugh	Accepted		WCSP
Dioscorea sexrimata Burkill	Accepted		WCSP
Dioscorea shimperana Hochst. ex Kunth	Unresolved		TRO
Dioscorea siamensis R.Knuth	Synonym		WCSP
Dioscorea sieberi Kunth	Synonym		WCSP
Dioscorea sikkimensis Prain & Burkill	Synonym		WCSP
Dioscorea silvestris Vell.	Synonym		WCSP
Dioscorea similis R.Knuth	Synonym		WCSP
Dioscorea simulans Prain & Burkill	Accepted		WCSP
Dioscorea sincorensis R.Knuth	Accepted		WCSP
Dioscorea sinoparviflora C.T.Ting, M.G.Gilbert & Turland	Accepted		WCSP
Dioscorea sinuata Vell.	Accepted		WCSP
Dioscorea sinuata var. bonariensis Hauman	Synonym		WCSP
Dioscorea sinuata var. macrotepala Uline	Synonym		WCSP
Dioscorea sinuata var. pauloensis R.Knuth	Synonym		WCSP
Dioscorea sitamiana Prain & Burkill	Accepted		WCSP
Dioscorea sititoana Honda & Jôtani	Synonym		WCSP
Dioscorea skottsbergii R.Knuth	Accepted		WCSP
Dioscorea smilacifolia De Wild. & T.Durand	Accepted		WCSP
Dioscorea sonlaensis R.Knuth	Accepted		WCSP
Dioscorea soror Prain & Burkill	Synonym		WCSP
Dioscorea soror var. glauca Prain & Burkill	Synonym		WCSP
Dioscorea soror var. vera Prain & Burkill	Synonym		WCSP
Dioscorea sororia Kunth	Synonym		WCSP
Dioscorea sororopana Steyerm.	Accepted		WCSP
Dioscorea soso Jum. & H.Perrier	Accepted		WCSP
Dioscorea soso var. trichopoda (Jum. & H.Perrier) Burkill & H.Perrier	Accepted		WCSP
Dioscorea sparsiflora Hemsl.	Synonym		WCSP
Dioscorea spectabilis R.Knuth	Accepted		WCSP
Dioscorea spicata (Vell.) Pedralli [Illegitimate]	Synonym		WCSP
Dioscorea spicata Roth	Accepted		WCSP
Dioscorea spicata var. anamallayana Prain & Burkill	Synonym		WCSP
Dioscorea spicata var. parvifolia Prain & Burkill	Synonym		WCSP
Dioscorea spiculata Blume	Unresolved		WCSP
Dioscorea spiculiflora Hemsl.	Accepted		WCSP
Dioscorea spiculiflora var. chiapasana Gómez Pompa	Synonym		WCSP
Dioscorea spiculiflora var. fasciculocongesta Sosa & B.G.Schub.	Synonym		WCSP
Dioscorea spiculoides Matuda	Accepted		WCSP
Dioscorea spinosa Burm.	Synonym		WCSP
Dioscorea spinosa Roxb. ex Hook.f. [Illegitimate]	Synonym		WCSP
Dioscorea spinosa Roxb. ex Wall.	Synonym		TRO
Dioscorea spiralis Lem. [Unplaced]	Unresolved		WCSP
Dioscorea spongiosa J.Q.Xi, M.Mizuno & W.L.Zhao	Accepted		WCSP
Dioscorea sprucei Uline ex R.Knuth	Accepted		WCSP
Dioscorea sprucei Uline	Unresolved		TRO
Dioscorea standleyi C.V.Morton	Accepted		WCSP
Dioscorea stegelmanniana R.Knuth	Accepted		WCSP
Dioscorea stellaris R.Knuth	Accepted		WCSP
Dioscorea stellatopilosa De Wild.	Synonym		WCSP
Dioscorea stellatopilosa var. cordata De Wild.	Synonym		WCSP
Dioscorea stemonoides Prain & Burkill	Accepted		WCSP
Dioscorea stenocolpus Phil.	Accepted		WCSP
Dioscorea stenomeriflora Prain & Burkill	Accepted		WCSP
Dioscorea stenopetala Hauman	Accepted		WCSP
Dioscorea stenophylla Uline	Accepted		WCSP
Dioscorea stenophylla var. paucinervis Uline ex R.Knuth	Synonym		WCSP
Dioscorea sterilis O.Weber & Wilkin	Accepted		WCSP
Dioscorea stipulosa Uline ex R.Knuth	Accepted		WCSP
Dioscorea stolzii R.Knuth	Synonym		WCSP
Dioscorea stuhlmannii Harms	Synonym		WCSP
Dioscorea subcalva Prain & Burkill	Accepted		WCSP
Dioscorea subcalva var. submollis (R.Knuth) C.T.Ting & P.P.Ling	Synonym		WCSP
Dioscorea subfusca R.Knuth	Synonym		WCSP
Dioscorea subhastata Vell.	Accepted		WCSP
Dioscorea sublignosa R.Knuth	Accepted		WCSP
Dioscorea submigra R.Knuth	Accepted		WCSP
Dioscorea submollis R.Knuth	Synonym		WCSP
Dioscorea subtomentosa Miranda	Accepted		WCSP
Dioscorea sulcata R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea sumatrana Prain & Burkill	Accepted		WCSP
Dioscorea sumbawensis R.Knuth [Unplaced]	Unresolved		WCSP
Dioscorea sumiderensis B.G.Schub. & O.Téllez	Accepted		WCSP
Dioscorea suratensis R.Knuth	Accepted		WCSP
Dioscorea surinamensis Miq. ex Knuth [Invalid]	Synonym		WCSP
Dioscorea suthni Buch.-Ham. [Unplaced]	Unresolved		WCSP
Dioscorea swinhoei Rolfe	Synonym		WCSP
Dioscorea sylvatica Eckl.	Accepted		WCSP
Dioscorea sylvatica var. brevipes (Burtt Davy) Burkill	Synonym		WCSP
Dioscorea sylvatica subsp. lydenbergensis Blunden, Hardman & F.J.Hind	Synonym		WCSP
Dioscorea sylvatica var. multiflora (Marloth) Burkill	Synonym		WCSP
Dioscorea sylvatica var. paniculata (Dummer) Burkill	Synonym		WCSP
Dioscorea sylvatica var. rehmannii (Baker) Burkill	Synonym		WCSP
Dioscorea sylvestris De Wild.	Synonym		WCSP
Dioscorea synandra (Uline) Standl. [Illegitimate]	Synonym		WCSP
Dioscorea synandra Uline	Accepted		WCSP
Dioscorea synandra Uline ex Engl. & Prantl	Synonym		TRO
Dioscorea syringifolia (Kunth) Kunth & R.H.Schomb. ex R.Knuth	Accepted		WCSP
Dioscorea syringifolia Kunth & M.R. Schomb.	Unresolved		TRO
Dioscorea tabascana Matuda	Synonym		WCSP
Dioscorea tabatae Hatus. ex Yamashita & M.N.Tamura	Accepted		WCSP
Dioscorea tacanensis Lundell	Accepted		WCSP
Dioscorea tafiensis R.Knuth	Synonym		WCSP
Dioscorea tamarisciflora Prain & Burkill	Accepted		WCSP
Dioscorea tambillensis R.Knuth	Synonym		WCSP
Dioscorea tamifolia Chodat & Hassl. [Illegitimate]	Synonym		WCSP
Dioscorea tamifolia Salisb.	Synonym		WCSP
Dioscorea tamoidea Griseb.	Accepted		WCSP
Dioscorea tamoidea var. lindenii Uline	Synonym		WCSP
Dioscorea tamshiyacuensis Ayala	Accepted		WCSP
Dioscorea tanalarum H.Perrier	Accepted		WCSP
Dioscorea tancitarensis Matuda	Accepted		WCSP
Dioscorea tarijensis R.Knuth	Accepted		WCSP
Dioscorea tarmensis R.Knuth	Accepted		WCSP
Dioscorea tarokoensis Hayata	Synonym		WCSP
Dioscorea tashiroi Hayata	Synonym		WCSP
Dioscorea tauriglossum R.Knuth	Accepted		WCSP
Dioscorea tayacajensis R.Knuth	Accepted		WCSP
Dioscorea temascaltepecensis R.Knuth	Accepted		WCSP
Dioscorea tenebrosa C.V.Morton	Accepted		WCSP
Dioscorea tenella Phil.	Accepted		WCSP
Dioscorea tenii R.Knuth	Synonym		WCSP
Dioscorea tentaculigera Prain & Burkill	Accepted		WCSP
Dioscorea tenuiflora Schltdl.	Synonym		WCSP
Dioscorea tenuifolia Ridl.	Synonym		WCSP
Dioscorea tenuifolia Uline ex R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea tenuipes Franch. & Sav.	Accepted		WCSP
Dioscorea tenuiphyllum R.Knuth	Accepted		WCSP
Dioscorea tenuis R.Knuth	Accepted		WCSP
Dioscorea tepinapensis Uline ex R.Knuth	Synonym		WCSP
Dioscorea tepinapensis var. aggregata Uline ex R.Knuth	Synonym		WCSP
Dioscorea tequendamensis R.Knuth	Accepted		WCSP
Dioscorea teretiuscula Griseb.	Synonym		WCSP
Dioscorea ternata Griseb.	Accepted		WCSP
Dioscorea testudinaria R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea therezopolensis Uline ex R.Knuth	Accepted		WCSP
Dioscorea therezopolensis var. latifolia Uline ex R.Knuth	Synonym		WCSP
Dioscorea thermarum Phil.	Synonym		WCSP
Dioscorea thinophila Phil.	Synonym		WCSP
Dioscorea thonneri De Wild. & T.Durand	Synonym		WCSP
Dioscorea thonneri De Wildemann & T. Duran	Synonym		TRO
Dioscorea tiliifolia Kunth	Synonym		WCSP
Dioscorea togoensis R.Knuth	Accepted		WCSP
Dioscorea tokoro Makino ex Miyabe	Accepted		WCSP
Dioscorea toldosensis R.Knuth	Accepted		WCSP
Dioscorea tolucana (Matuda) Caddick & Wilkin	Synonym		WCSP
Dioscorea tomentosa J.König ex Spreng.	Accepted		WCSP
Dioscorea torticaulis R.Knuth	Accepted		WCSP
Dioscorea toxicaria Bojer [Invalid]	Synonym		WCSP
Dioscorea trachyandra Griseb.	Accepted		WCSP
Dioscorea trachycarpa Kunth	Accepted		WCSP
Dioscorea traillii R.Knuth	Accepted		WCSP
Dioscorea transversa R.Br.	Accepted		WCSP
Dioscorea triandria Sessé & Moc. [Unplaced]	Unresolved		WCSP
Dioscorea triangularis Sessé & Moc. [Unplaced]	Unresolved		WCSP
Dioscorea triangularis (Griseb.) R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea trichantha Baker	Accepted		WCSP
Dioscorea trichanthera Gleason	Accepted		WCSP
Dioscorea trichoneura Phil.	Synonym		WCSP
Dioscorea trichopoda Jum. & H.Perrier	Synonym		WCSP
Dioscorea trifida L.f.	Accepted		WCSP
Dioscorea trifoliata Kunth	Accepted		WCSP
Dioscorea trifoliata var. amazonica R.Knuth	Synonym		WCSP
Dioscorea trifoliata var. galipanensis (Kunth) Uline ex R.Knuth	Synonym		WCSP
Dioscorea trifurcata Hauman	Accepted		WCSP
Dioscorea trilinguis Griseb.	Accepted		WCSP
Dioscorea trilinguis var. edwallii Uline ex R.Knuth	Synonym		WCSP
Dioscorea triloba H.Karst. ex Kunth [Invalid]	Synonym		WCSP
Dioscorea triloba Lam.	Synonym		WCSP
Dioscorea triloba Willd. [Illegitimate]	Synonym		WCSP
Dioscorea trimenii Prain & Burkill	Accepted		WCSP
Dioscorea trinervia Roxb. ex Prain & Burkill	Accepted		WCSP
Dioscorea triphylla L.	Synonym		WCSP
Dioscorea triphylla Schimp. ex A.Rich. [Illegitimate]	Synonym		WCSP
Dioscorea triphylla var. abyssinica R.Knuth	Synonym		WCSP
Dioscorea triphylla var. daemona (Roxb.) Prain & Burkill	Synonym		WCSP
Dioscorea triphylla var. dumetorum (Kunth) R.Knuth	Synonym		WCSP
Dioscorea triphylla var. mollissima (Blume) Prain & Burkill	Synonym		WCSP
Dioscorea triphylla var. reticulata (Hook.f.) Prain & Burkill	Synonym		WCSP
Dioscorea triphylla var. rotundata R.Knuth	Synonym		WCSP
Dioscorea triphylla var. tomentosa Rendle	Synonym		WCSP
Dioscorea trisecta Griseb.	Accepted		WCSP
Dioscorea trollii R.Knuth	Accepted		WCSP
Dioscorea truncata R.H.Schomb. ex Prain [Illegitimate]	Synonym		WCSP
Dioscorea truncata Miq.	Accepted		WCSP
Dioscorea truncata Rusby [Illegitimate]	Synonym		WCSP
Dioscorea tsaratananensis H.Perrier	Accepted		WCSP
Dioscorea tuberosa Rojas Acosta [Illegitimate]	Synonym		WCSP
Dioscorea tuberosa Vell.	Synonym		WCSP
Dioscorea tubiperianthia Matuda	Accepted		WCSP
Dioscorea tubuliflora Uline ex R.Knuth	Accepted		WCSP
Dioscorea tubulosa Griseb.	Accepted		WCSP
Dioscorea tucumanensis R.Knuth	Synonym		WCSP
Dioscorea tuerckheimii R.Knuth	Synonym		WCSP
Dioscorea tugui Blanco	Synonym		WCSP
Dioscorea tuxtlensis Sessé & Moc. [Unplaced]	Unresolved		WCSP
Dioscorea tweediei R.Knuth	Synonym		WCSP
Dioscorea tysonii Baker	Synonym		WCSP
Dioscorea uliginosa Phil.	Accepted		WCSP
Dioscorea ulinei Greenm. ex R.Knuth	Accepted		WCSP
Dioscorea ulinei var. longipes Matuda	Synonym		WCSP
Dioscorea ulugurensis R.Knuth	Synonym		WCSP
Dioscorea undatiloba Baker	Accepted		WCSP
Dioscorea undecimnervis Vell.	Synonym		WCSP
Dioscorea undulata R.Knuth	Synonym		WCSP
Dioscorea urceolata Uline	Accepted		WCSP
Dioscorea urceolata f. atropurpureoloba Matuda	Synonym		WCSP
Dioscorea urceolata var. reflexa Greenm. ex R.Knuth	Synonym		WCSP
Dioscorea urophylla Hemsl.	Accepted		WCSP
Dioscorea uruapanensis Matuda	Accepted		WCSP
Dioscorea valdiviensis R.Knuth	Accepted		WCSP
Dioscorea vanvuurenii Prain & Burkill	Accepted		WCSP
Dioscorea vargasii Standl.	Synonym		WCSP
Dioscorea variifolia Kunze [Illegitimate]	Synonym		WCSP
Dioscorea variifolia Bertero	Accepted		WCSP
Dioscorea velutina Jum. & H.Perrier	Synonym		WCSP
Dioscorea velutipes Prain & Burkill	Accepted		WCSP
Dioscorea venosa Uline ex R.Knuth	Synonym		WCSP
Dioscorea venosa var. effusa Uline	Synonym		WCSP
Dioscorea venosa var. fodinarum Uline	Synonym		WCSP
Dioscorea verdickii De Wild.	Synonym		WCSP
Dioscorea verticillata Lam.	Synonym		WCSP
Dioscorea vespertilio Benth.	Synonym		WCSP
Dioscorea vexans Prain & Burkill	Accepted		WCSP
Dioscorea vilis Kunth	Accepted		WCSP
Dioscorea villosa L.	Accepted		WCSP
Dioscorea villosa var. coreana Prain & Burkill	Synonym		WCSP
Dioscorea villosa subsp. floridana (Bartlett) R.Knuth	Synonym		WCSP
Dioscorea villosa var. floridana (Bartlett) H.E.Ahles	Synonym		WCSP
Dioscorea villosa var. glabra J.Lloyd ex A.Gray	Synonym		WCSP
Dioscorea villosa subsp. glabrifolia (Bartlett) W.Stone	Synonym		WCSP
Dioscorea villosa var. glabrifolia (Bartlett) S.F.Blake	Synonym		WCSP
Dioscorea villosa f. glabrifolia (Bartlett) Fernald	Synonym		WCSP
Dioscorea villosa var. glabrifolia (Bartlett) W. Stone	Synonym		TRO
Dioscorea villosa subsp. glauca (Muhl. ex L.C.Beck) R.Knuth	Synonym		WCSP
Dioscorea villosa subsp. hirticaulis (Bartlett) R.Knuth	Synonym		WCSP
Dioscorea villosa var. hirticaulis (Bartlett) H.E.Ahles	Synonym		WCSP
Dioscorea villosa var. laeviuscula Alph.Wood	Synonym		WCSP
Dioscorea villosa subsp. paniculata (Michx.) R.Knuth	Synonym		WCSP
Dioscorea villosa subsp. quaternata (Walter) R.Knuth	Synonym		WCSP
Dioscorea violacea R.Knuth [Illegitimate]	Synonym		WCSP
Dioscorea violacea Baudon [Illegitimate]	Synonym		WCSP
Dioscorea violacea Uline	Synonym		WCSP
Dioscorea vittata W.Bull ex Baker	Synonym		WCSP
Dioscorea volckmannii Phil.	Accepted		WCSP
Dioscorea vulgaris Miq.	Synonym		WCSP
Dioscorea wallichii Hook.f.	Accepted		WCSP
Dioscorea wallichii var. christiei Prain & Burkill	Synonym		WCSP
Dioscorea wallichii var. vera Prain & Burkill	Synonym		WCSP
Dioscorea waltheri Desf.	Synonym		WCSP
Dioscorea warburgiana Uline ex Prain & Burkill	Accepted		WCSP
Dioscorea warmingii R.Knuth	Accepted		WCSP
Dioscorea wattii Prain & Burkill	Accepted		WCSP
Dioscorea weberbaueri R.Knuth	Accepted		WCSP
Dioscorea welwitschii Rendle	Synonym		WCSP
Dioscorea wichurae Uline ex R.Knuth	Synonym		WCSP
Dioscorea widgrenii R.Knuth	Accepted		WCSP
Dioscorea wightii Hook.f.	Accepted		WCSP
Dioscorea wilkesii Uline ex R.Knuth	Synonym		WCSP
Dioscorea wittiana R.Knuth	Accepted		WCSP
Dioscorea wrightii Uline ex R.Knuth	Accepted		WCSP
Dioscorea xizangensis C.T.Ting	Accepted		WCSP
Dioscorea yokusai Prain & Burkill	Synonym		WCSP
Dioscorea yucatanensis Uline	Synonym		WCSP
Dioscorea yunnanensis Prain & Burkill	Accepted		WCSP
Dioscorea zanoniae Klotzsch ex Griseb.	Synonym		WCSP
Dioscorea zara Baudon	Synonym		WCSP
Dioscorea zemaroana Koidz.	Synonym		WCSP
Dioscorea zingiberensis C.H.Wright	Accepted		WCSP
Dioscorea zollingeriana Kunth	Synonym		WCSP