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⚠ Version 1 of The Plant List has been superseded.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

987 plant name records match your search criteria Cynanchum. The results are below.

• Genus Cynanchum is in the family Apocynaceae. 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
Cynanchum absconditum Liede	Accepted		WCSP (in review)
Cynanchum abukumense Koidz.	Unresolved		WCSP (in review)
Cynanchum abyssinicum Decne.	Accepted		WCSP (in review)
Cynanchum acerifolium (Lasser & Maguire) Morillo	Synonym		WCSP (in review)
Cynanchum acidum (Roxb.) Oken	Synonym		WCSP (in review)
Cynanchum aculeatum (Desc.) Liede & Meve	Accepted		WCSP (in review)
Cynanchum acuminatifolium (Decne.) Hemsl.	Unresolved		WCSP (in review)
Cynanchum acuminatum Humb. & Bonpl. ex Schult.	Accepted		WCSP (in review)
Cynanchum acuminatum Thunb.	Unresolved		WCSP (in review)
Cynanchum acuminatum Buch.-Ham. ex Decne.	Unresolved		WCSP (in review)
Cynanchum acuminatum (Benth.) K.Schum. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum acuminatum (C.Morren Decne.) Matsum. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum acutifolium (Phil.) Reiche	Accepted		WCSP (in review)
Cynanchum acutum L.	Accepted		WCSP (in review)
Cynanchum acutum var. longifolium (G.Martens) Ledeb.	Synonym		WCSP (in review)
Cynanchum acutum subsp. sibiricum (Willd.) Rech.f.	Accepted		WCSP (in review)
Cynanchum adalinae (K.Schum.) K.Schum.	Accepted		WCSP (in review)
Cynanchum adalinae subsp. mannii (Scott-Elliot) Bullock	Accepted		WCSP (in review)
Cynanchum adriaticum (Beck) Fritsch	Unresolved		WCSP (in review)
Cynanchum aemulans (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum aequilongum Choux	Synonym		WCSP (in review)
Cynanchum affine Hemsl.	Synonym		WCSP (in review)
Cynanchum africanum R.Br. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum africanum (L.) Hoffmanns.	Accepted		WCSP (in review)
Cynanchum africanum var. crassifolium (R. Br.) N.E. Br.	Synonym		TRO
Cynanchum alatum Wight & Arn.	Accepted		WCSP (in review)
Cynanchum albidum Koidz.	Unresolved		WCSP (in review)
Cynanchum albiflorum (Franch. & Sav.) Koidz.	Unresolved		WCSP (in review)
Cynanchum albiflorum (Urb.) Woodson [Illegitimate]	Synonym		WCSP (in review)
Cynanchum albiflorum (Griseb.) Stearn [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum albonervum R.W.Holm	Synonym		WCSP (in review)
Cynanchum albovianum Kusn.	Unresolved		WCSP (in review)
Cynanchum album Pers.	Synonym		WCSP (in review)
Cynanchum altiscandens K.Schum.	Accepted		WCSP (in review)
Cynanchum altissimum (Jacq.) Jacq.	Synonym		WCSP (in review)
Cynanchum ambiguum (Maxim.) Kom.	Unresolved		WCSP (in review)
Cynanchum ambiguum (Maxim.) Matsum.	Accepted		TRO
Cynanchum ambositrense Choux	Unresolved		WCSP (in review)
Cynanchum ambovombense (Liede) Liede & Meve	Accepted		WCSP (in review)
Cynanchum ampanihense Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum amphiboleum C.K.Schneid.	Synonym		WCSP (in review)
Cynanchum amplexicaule (Siebold & Zucc.) Hemsl.	Unresolved		WCSP (in review)
Cynanchum amplexicaule var. castaneum Makino	Unresolved		WCSP (in review)
Cynanchum amplexicaule f. castaneum (Makino) C.Y.Li	Unresolved		WCSP (in review)
Cynanchum amplexicaule f. multicaurium (I.C.Chung) W.T.Lee	Unresolved		WCSP (in review)
Cynanchum analamazaotrense Choux	Accepted		WCSP (in review)
Cynanchum anderssonii Morillo	Accepted		WCSP (in review)
Cynanchum andinum Liede	Accepted		WCSP (in review)
Cynanchum andringitrense Choux	Accepted		WCSP (in review)
Cynanchum androsaemifolium Vahl ex Decne.	Unresolved		WCSP (in review)
Cynanchum anegadense (Britton) Alain	Unresolved		WCSP (in review)
Cynanchum angavokeliense Choux	Accepted		WCSP (in review)
Cynanchum angustifolium Pers.	Unresolved		WCSP (in review)
Cynanchum angustifolium Wight & Arn. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum angustifolium (Decne.) Morillo [Illegitimate]	Synonym		WCSP (in review)
Cynanchum annulare B.Heyne ex Wight	Unresolved		WCSP (in review)
Cynanchum ansamalense Liede	Accepted		WCSP (in review)
Cynanchum antandroy Desc.	Synonym		WCSP (in review)
Cynanchum anthonyanum Hand.-Mazz.	Accepted		WCSP (in review)
Cynanchum anthopotamicum Hand.-Mazz.	Unresolved		WCSP (in review)
Cynanchum antsiranense (Meve & Liede) Liede & Meve	Accepted		WCSP (in review)
Cynanchum aphyllum L.	Synonym		WCSP (in review)
Cynanchum aphyllum Vell. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum aphyllum (Thunb.) Schltr. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum apocynellum (Gleason & Mold.) Spellman	Synonym		WCSP (in review)
Cynanchum appendiculatopsis Liede	Accepted		WCSP (in review)
Cynanchum appendiculatum Choux	Accepted		WCSP (in review)
Cynanchum arboreum Forssk.	Unresolved		WCSP (in review)
Cynanchum arenarium Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum arenosum (Decne.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum argel Delile	Unresolved		WCSP (in review)
Cynanchum argentinense Liede	Accepted		WCSP (in review)
Cynanchum arizonicum (A.Gray) Shinners	Unresolved		WCSP (in review)
Cynanchum arnottianum (Wight) Wight	Unresolved		WCSP (in review)
Cynanchum ascyrifolium (Franch. & Sav.) Matsum.	Unresolved		WCSP (in review)
Cynanchum asperum Mill.	Synonym		WCSP (in review)
Cynanchum astephanoides (A.Gray ex S.Watson) Standl.	Unresolved		WCSP (in review)
Cynanchum asterion Vell.	Unresolved		WCSP (in review)
Cynanchum asthmaticum Buch.-Ham. ex Hook.f.	Unresolved		WCSP (in review)
Cynanchum atacamense Liede	Accepted		WCSP (in review)
Cynanchum atratum Bunge	Unresolved		WCSP (in review)
Cynanchum atropurpureum (E.Mey.) D.Dietr.	Unresolved		WCSP (in review)
Cynanchum atrorubens (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum atrovirens (Rusby) Sugden	Unresolved		WCSP (in review)
Cynanchum atrum (Jord. & Fourr.) Breistr.	Synonym		WCSP (in review)
Cynanchum auriculatum Royle ex Wight	Accepted		WCSP (in review)
Cynanchum auriculatum var. amamianum (Hatus.) T.Yamaz.	Synonym		WCSP (in review)
Cynanchum auriculatum var. sinense T.Yamaz.	Synonym		WCSP (in review)
Cynanchum austrokiusianum Koidz.	Unresolved		WCSP (in review)
Cynanchum auyantepuiense Steyerm.	Synonym		WCSP (in review)
Cynanchum avilense Morillo	Synonym		WCSP (in review)
Cynanchum bahamense (Griseb.) Gillis	Unresolved		WCSP (in review)
Cynanchum balense Liede	Unresolved		WCSP (in review)
Cynanchum balfourianum (Schltr.) Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum balslevii Morillo	Accepted		WCSP (in review)
Cynanchum barbadense (Schltr.) R.A.Howard	Synonym		WCSP (in review)
Cynanchum barbatum L.f. ex Schult.	Synonym		WCSP (in review)
Cynanchum barbigerum (Scheele) Shinners	Unresolved		WCSP (in review)
Cynanchum baronii Choux	Accepted		WCSP (in review)
Cynanchum batangense P.T.Li	Accepted		WCSP (in review)
Cynanchum beatricis Morillo	Accepted		WCSP (in review)
Cynanchum beckii Morillo	Accepted		WCSP (in review)
Cynanchum bekinolense Choux	Synonym		WCSP (in review)
Cynanchum belloi P.T.Li	Unresolved		WCSP (in review)
Cynanchum bernardii Morillo	Accepted		WCSP (in review)
Cynanchum bicampanulatum M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum bicolor Andrews	Unresolved		WCSP (in review)
Cynanchum bidens (E.Mey.) D.Dietr.	Unresolved		WCSP (in review)
Cynanchum bifidum Liede & Meve	Accepted		WCSP (in review)
Cynanchum biondioides W.T.Wang	Unresolved		WCSP (in review)
Cynanchum birostratum Hook. & Arn.	Unresolved		WCSP (in review)
Cynanchum bisinuatum Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum blandum (Decne.) Sundell	Accepted		WCSP (in review)
Cynanchum blodgettii (A.Gray) Shinners	Unresolved		WCSP (in review)
Cynanchum blyttioides Liede	Accepted		WCSP (in review)
Cynanchum bodinieri Schltr. ex H.Lév.	Synonym		WCSP (in review)
Cynanchum boerhavifolium Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum boissieri Kusn.	Unresolved		WCSP (in review)
Cynanchum bojerianum (Decne.) Choux	Accepted		TRO
Cynanchum boldinghii (Schltdl.) Aa & Stoffers	Unresolved		WCSP (in review)
Cynanchum bolivarense R.W.Holm	Synonym		WCSP (in review)
Cynanchum bonariense (Decne.) T.Mey.	Accepted		WCSP (in review)
Cynanchum bonplandianum Schult.	Unresolved		WCSP (in review)
Cynanchum bosseri Liede	Accepted		WCSP (in review)
Cynanchum boudieri H.Lév. & Vaniot	Accepted		WCSP (in review)
Cynanchum boveanum Decne.	Synonym		WCSP (in review)
Cynanchum boweanum Steud.	Unresolved		TRO
Cynanchum bowmannii S.T.Blake	Accepted		WCSP (in review)
Cynanchum brachyphyllum K.Schum.	Accepted		WCSP (in review)
Cynanchum brachystelmoides P.I.Forst.	Unresolved		WCSP (in review)
Cynanchum brachystephanum (Griseb.) Alain	Unresolved		WCSP (in review)
Cynanchum bracteatum Thunb.	Unresolved		WCSP (in review)
Cynanchum brandtii Matsum.	Unresolved		WCSP (in review)
Cynanchum brasiliense (Morillo) Liede	Accepted		WCSP (in review)
Cynanchum brevicoronatum M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum brevidens N.E.Br.	Synonym		WCSP (in review)
Cynanchum bricenoi Morillo	Accepted		WCSP (in review)
Cynanchum broadwayi (Schltr.) Woodson	Synonym		WCSP (in review)
Cynanchum brownianum Schult.	Synonym		WCSP (in review)
Cynanchum brunonis Gillies ex Hook.	Unresolved		WCSP (in review)
Cynanchum bulligerum (Speg.) Macloskie	Accepted		WCSP (in review)
Cynanchum bungei Decne.	Accepted		WCSP (in review)
Cynanchum buntingii Morillo	Synonym		WCSP (in review)
Cynanchum cabulicum Bornm.	Unresolved		WCSP (in review)
Cynanchum caespitulosum R.W.Holm	Synonym		WCSP (in review)
Cynanchum calcareum H.Ohashi	Unresolved		WCSP (in review)
Cynanchum calcicola Alain	Unresolved		WCSP (in review)
Cynanchum californicum (Benth.) Moran	Unresolved		WCSP (in review)
Cynanchum callialatum Buch.-Ham. ex Wight	Accepted		WCSP (in review)
Cynanchum calycinum (Schltr.) Morillo	Unresolved		WCSP (in review)
Cynanchum campii Morillo	Accepted		WCSP (in review)
Cynanchum candolleanum Gillies ex Hook. & Arn.	Unresolved		WCSP (in review)
Cynanchum canescens (Willd.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum canoi Morillo	Accepted		WCSP (in review)
Cynanchum capense L.f.	Unresolved		WCSP (in review)
Cynanchum capillare Thunb. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum carautanum (Fontana & Schwein.) Morillo	Accepted		WCSP (in review)
Cynanchum cardiostephanum Rech.f.	Unresolved		WCSP (in review)
Cynanchum cardozoi Morillo	Accepted		WCSP (in review)
Cynanchum caribaeum Alain	Synonym		WCSP (in review)
Cynanchum carmenaemiliae Morillo	Accepted		WCSP (in review)
Cynanchum carnevalii Morillo	Synonym		WCSP (in review)
Cynanchum carnosum Decne.	Synonym		WCSP (in review)
Cynanchum carnosum (R.Br.) Schltr. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum carnosum (R. Br.) Domin	Accepted		TRO
Cynanchum carolinense Jacq.	Unresolved		WCSP (in review)
Cynanchum cassythoides Suess.	Synonym		WCSP (in review)
Cynanchum cathayense Tsiang & H.T.Zhang	Synonym		WCSP (in review)
Cynanchum caudatum Vell.	Unresolved		WCSP (in review)
Cynanchum caudatum (Miq.) Maxim. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum caudigerum R.W.Holm	Accepted		WCSP (in review)
Cynanchum celebicum Schltr.	Accepted		WCSP (in review)
Cynanchum chanchanense Morillo	Accepted		WCSP (in review)
Cynanchum cheesmanii Woodson	Unresolved		WCSP (in review)
Cynanchum cheiranthoides Dombey ex Decne.	Unresolved		WCSP (in review)
Cynanchum chekiangense M.Cheng	Unresolved		WCSP (in review)
Cynanchum chiapense (A.Gray) Standl. & Steyerm.	Unresolved		WCSP (in review)
Cynanchum chilense (Phil.) Malme	Accepted		WCSP (in review)
Cynanchum chimantense Morillo	Synonym		WCSP (in review)
Cynanchum chimboracense Morillo	Accepted		WCSP (in review)
Cynanchum chinense R.Br.	Accepted		WCSP (in review)
Cynanchum chirindense S.Moore [Unplaced]	Unresolved		WCSP (in review)
Cynanchum chouxii Liede & Meve	Accepted		WCSP (in review)
Cynanchum christineae P.I.Forst.	Unresolved		WCSP (in review)
Cynanchum ciliatum Vell.	Synonym		WCSP (in review)
Cynanchum cirrhosum Sw. ex Schult. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum clausum (Jacq.) Jacq.	Synonym		WCSP (in review)
Cynanchum clavidens N.E.Br.	Synonym		WCSP (in review)
Cynanchum clavidens subsp. hastifolium (N.E.Br.) Liede	Synonym		WCSP (in review)
Cynanchum colellae Morillo	Synonym		WCSP (in review)
Cynanchum collinum (S.F.Blake) Standl. & Steyerm.	Unresolved		WCSP (in review)
Cynanchum colombianum (Schltr.) Morillo	Unresolved		WCSP (in review)
Cynanchum comorense Choux	Accepted		WCSP (in review)
Cynanchum compactum Choux	Accepted		WCSP (in review)
Cynanchum complexum N.E.Br.	Synonym		WCSP (in review)
Cynanchum confusum R.W.Holm	Accepted		WCSP (in review)
Cynanchum congestum Vell.	Synonym		WCSP (in review)
Cynanchum congolense De Wild.	Synonym		WCSP (in review)
Cynanchum connivens Hook. & Arn. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum contiguum W.D.J.Koch	Unresolved		WCSP (in review)
Cynanchum contrapetalum Sundell	Synonym		WCSP (in review)
Cynanchum cordatum Vell.	Synonym		WCSP (in review)
Cynanchum cordifolium Retz.	Unresolved		WCSP (in review)
Cynanchum cordifolium (E.Mey.) D.Dietr. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum corymbosum Wight	Accepted		WCSP (in review)
Cynanchum costantinianum Tsiang	Unresolved		WCSP (in review)
Cynanchum crassiantherae Liede	Accepted		WCSP (in review)
Cynanchum crassifolium R.Br.	Synonym		WCSP (in review)
Cynanchum crassifolium Hatus. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum crassipedicellatum Meve & Liede	Accepted		WCSP (in review)
Cynanchum crassiusculum (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum crispiflorum Sw.	Synonym		WCSP (in review)
Cynanchum crispum Thunb.	Synonym		WCSP (in review)
Cynanchum crispum Jacq. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum cristalinense Morillo	Accepted		WCSP (in review)
Cynanchum cuatrecasasii Morillo	Accepted		WCSP (in review)
Cynanchum cubense (A.Rich.) Woodson	Unresolved		WCSP (in review)
Cynanchum cucullatum N.E.Br.	Accepted		WCSP (in review)
Cynanchum cuspidatum Thunb.	Unresolved		WCSP (in review)
Cynanchum cuspidatum Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum cyathiforme (Sundell) W.D.Stevens	Accepted		WCSP (in review)
Cynanchum dahuricum Willd. ex Decne.	Synonym		WCSP (in review)
Cynanchum dalhousiae Wight	Accepted		WCSP (in review)
Cynanchum danguyanum Choux	Accepted		WCSP (in review)
Cynanchum darvasicum (B.Fedtsch.) Kamelin	Unresolved		WCSP (in review)
Cynanchum darwasicum B. Fedtsch.	Unresolved		TRO
Cynanchum davuricum R.Br.	Synonym		WCSP (in review)
Cynanchum de-filippii Delponte	Accepted		WCSP (in review)
Cynanchum decaisneanum R.W.Holm	Synonym		WCSP (in review)
Cynanchum decaisneanum (Schltr.) Alain [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum decaisnianum Desc. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum decaryi Choux	Accepted		WCSP (in review)
Cynanchum decipiens C.K.Schneid.	Accepted		WCSP (in review)
Cynanchum decipiens (Schltr.) Alain [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum decorsei (Costantin & Gallaud) Liede & Meve	Accepted		WCSP (in review)
Cynanchum defoliascens K.Schum.	Unresolved		WCSP (in review)
Cynanchum deltoideum Hance	Synonym		WCSP (in review)
Cynanchum deltoideum Hook.f. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum denigratum Elmer [Invalid]	Synonym		WCSP (in review)
Cynanchum densiflorum W.D.Stevens	Unresolved		WCSP (in review)
Cynanchum dentatum K.Schum.	Unresolved		WCSP (in review)
Cynanchum denticulatum Vahl	Synonym		WCSP (in review)
Cynanchum descoingsii Rauh	Accepted		WCSP (in review)
Cynanchum descolei T.Mey.	Synonym		WCSP (in review)
Cynanchum deserticola A.R.Flores & J.M.Watson	Synonym		WCSP (in review)
Cynanchum dewevrei De Wild. & T.Durand	Synonym		WCSP (in review)
Cynanchum diazmirandae Morillo	Accepted		WCSP (in review)
Cynanchum dichasiale O.Schwarz	Unresolved		WCSP (in review)
Cynanchum dickinsii (Franch. & Sav.) Nakai	Unresolved		WCSP (in review)
Cynanchum diemii T.Mey.	Accepted		WCSP (in review)
Cynanchum diffusum (Gillies ex Hook.) Hook. & Arn.	Unresolved		WCSP (in review)
Cynanchum dimidiatum (Hassk.) Boerl.	Accepted		WCSP (in review)
Cynanchum dinklagei Schltr. ex Mildbr.	Unresolved		TRO
Cynanchum dioscoridis Thunb.	Unresolved		TRO
Cynanchum discolor Sims	Synonym		WCSP (in review)
Cynanchum doianum Koidz.	Unresolved		WCSP (in review)
Cynanchum dombeyanum (Decne.) Morillo	Accepted		WCSP (in review)
Cynanchum domingense (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum dorrii Morillo	Synonym		WCSP (in review)
Cynanchum dubium Kitag.	Synonym		WCSP (in review)
Cynanchum duclouxii M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum duidae R.W.Holm	Synonym		WCSP (in review)
Cynanchum echinatum Thunb.	Unresolved		TRO
Cynanchum ecuadorense Schltr.	Synonym		WCSP (in review)
Cynanchum edule Jum. & H.Perrier	Synonym		WCSP (in review)
Cynanchum eggersii (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum eichleri (E.Fourn.) K.Schum.	Synonym		WCSP (in review)
Cynanchum ekmanii Alain	Accepted		WCSP (in review)
Cynanchum ekmanii (Malme) Sundell [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum elachistemmoides (Liede & Meve) Liede & Meve	Accepted		WCSP (in review)
Cynanchum elegans (Benth.) Domin	Accepted		WCSP (in review)
Cynanchum ellemannii Morillo	Accepted		WCSP (in review)
Cynanchum ellipticum (Harv.) R.A.Dyer	Accepted		WCSP (in review)
Cynanchum ephedroides (Griseb.) Alain	Unresolved		WCSP (in review)
Cynanchum erectum L.	Synonym		WCSP (in review)
Cynanchum erikseniae Morillo	Accepted		WCSP (in review)
Cynanchum erubescens R.Br.	Synonym		WCSP (in review)
Cynanchum erythranthum Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum eulaxiflorum Lundell	Unresolved		WCSP (in review)
Cynanchum euphorbioides D.Dietr.	Unresolved		WCSP (in review)
Cynanchum eurychitoides K.Schum.	Accepted		WCSP (in review)
Cynanchum eurychiton (Decne.) K.Schum.	Accepted		WCSP (in review)
Cynanchum eurystephanum Malme	Synonym		WCSP (in review)
Cynanchum exasperatum R.W.Holm	Synonym		WCSP (in review)
Cynanchum excelsum Desf.	Synonym		WCSP (in review)
Cynanchum extensum Jacq.	Unresolved		WCSP (in review)
Cynanchum falcatum Hutch. & E.A.Bruce	Accepted		WCSP (in review)
Cynanchum fallax Hicken	Unresolved		WCSP (in review)
Cynanchum fasciculiflorum Morillo	Accepted		WCSP (in review)
Cynanchum fawcettii (Schltr.) Stearn	Unresolved		WCSP (in review)
Cynanchum fernandezii Morillo	Accepted		WCSP (in review)
Cynanchum filiforme Jacq.	Synonym		WCSP (in review)
Cynanchum filisepalum (Standl.) L.O.Williams	Unresolved		WCSP (in review)
Cynanchum filliforme L.f. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum fimbriatum Kunth	Synonym		WCSP (in review)
Cynanchum fimbriatum Choux [Illegitimate]	Synonym		WCSP (in review)
Cynanchum fimbricorona Liede [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum fimbricoronum P.T.Li [Unplaced]	Unresolved		WCSP (in review)
Cynanchum fissum Pomel	Synonym		WCSP (in review)
Cynanchum flavens Thunb.	Unresolved		WCSP (in review)
Cynanchum flavidens N.E.Br. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum flavum Thunb. ex Hook.f.	Unresolved		WCSP (in review)
Cynanchum floribundum R.Br.	Accepted		WCSP (in review)
Cynanchum floridum Vell.	Synonym		WCSP (in review)
Cynanchum floriferum Liede & Meve	Accepted		WCSP (in review)
Cynanchum foetidum (Cav.) Kunth	Synonym		WCSP (in review)
Cynanchum folotsioides Liede & Meve	Accepted		WCSP (in review)
Cynanchum fordii Hemsl.	Unresolved		WCSP (in review)
Cynanchum formosanum (Maxim.) Hemsl.	Synonym		WCSP (in review)
Cynanchum formosanum var. ovalifolium Tsiang & P.T.Li	Synonym		WCSP (in review)
Cynanchum formosum N.E.Br.	Accepted		WCSP (in review)
Cynanchum forrestii Schltr.	Unresolved		WCSP (in review)
Cynanchum forrestii var. balfourianum Schltr.	Unresolved		WCSP (in review)
Cynanchum forrestii var. stenolobum Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum franchetii Nakai	Unresolved		WCSP (in review)
Cynanchum franciscoi Morillo	Synonym		WCSP (in review)
Cynanchum fraternum N.E.Br.	Synonym		WCSP (in review)
Cynanchum freemanii (N.E.Br.) Woodson	Unresolved		WCSP (in review)
Cynanchum fruticulosum Decne.	Unresolved		WCSP (in review)
Cynanchum funale Poir.	Accepted		WCSP (in review)
Cynanchum funebre (Boiss. & Kotschy) Kusn.	Unresolved		WCSP (in review)
Cynanchum fuscatum Link	Unresolved		WCSP (in review)
Cynanchum fuscatum (Rchb.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum fusculum (C.Wright) Alain	Unresolved		WCSP (in review)
Cynanchum fuscum Schult.	Synonym		WCSP (in review)
Cynanchum galgalense Liede	Synonym		WCSP (in review)
Cynanchum ganglinosum Vell.	Unresolved		WCSP (in review)
Cynanchum gentryi (Morillo) Liede	Accepted		WCSP (in review)
Cynanchum gerrardii (Harv.) Liede	Accepted		WCSP (in review)
Cynanchum gerrardii subsp. bekinolense (Choux) Liede & Meve	Accepted		WCSP (in review)
Cynanchum gilbertii Liede	Accepted		WCSP (in review)
Cynanchum giraldii Schltr.	Accepted		WCSP (in review)
Cynanchum glaberrimum (Woodson) L.O.Williams	Unresolved		WCSP (in review)
Cynanchum glabrius (Markgr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum glabrum Nakai	Unresolved		WCSP (in review)
Cynanchum glabrum var. rotundifolium Honda	Unresolved		WCSP (in review)
Cynanchum glabrum f. viridescens Murata	Synonym		WCSP (in review)
Cynanchum glaucescens (Decne.) Hand.-Mazz.	Unresolved		WCSP (in review)
Cynanchum glaucum Wall. ex Wight	Unresolved		WCSP (in review)
Cynanchum glomeratum Bosser	Accepted		WCSP (in review)
Cynanchum glossostemma Lillo	Unresolved		WCSP (in review)
Cynanchum gobicum Grubov	Accepted		WCSP (in review)
Cynanchum goertsianum Morillo	Accepted		WCSP (in review)
Cynanchum gonavense Jiménez	Synonym		WCSP (in review)
Cynanchum gonoloboides Schltr.	Unresolved		WCSP (in review)
Cynanchum gossweileri S.Moore	Synonym		WCSP (in review)
Cynanchum gracile (Decne.) Jiménez	Unresolved		WCSP (in review)
Cynanchum gracilipes Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum gracillimum Wall.	Synonym		WCSP (in review)
Cynanchum graminifolium (Griseb.) Alain	Unresolved		WCSP (in review)
Cynanchum graminiforme Liede	Accepted		WCSP (in review)
Cynanchum granatense (Baill.) Morillo	Accepted		WCSP (in review)
Cynanchum grandidieri Liede & Meve	Accepted		WCSP (in review)
Cynanchum grandiflorum Cav.	Synonym		WCSP (in review)
Cynanchum grandifolium Hemsl.	Unresolved		WCSP (in review)
Cynanchum grayanum (Maxim.) Koidz.	Unresolved		WCSP (in review)
Cynanchum grayi Shinners	Unresolved		WCSP (in review)
Cynanchum grisebachianum (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum grisebachii (M.Gómez) Woodson	Unresolved		WCSP (in review)
Cynanchum guanchezii Morillo	Synonym		WCSP (in review)
Cynanchum guatemalense Dugand	Synonym		WCSP (in review)
Cynanchum guehoi Bosser	Accepted		WCSP (in review)
Cynanchum guianense Spreng.	Synonym		WCSP (in review)
Cynanchum guianense (Decne.) R.W.Holm [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum haitiense Jiménez	Synonym		WCSP (in review)
Cynanchum hamatum (E.Mey.) D.Dietr.	Unresolved		WCSP (in review)
Cynanchum hancockianum (Maxim.) Iljinski	Unresolved		WCSP (in review)
Cynanchum hardyi Liede & Meve	Accepted		WCSP (in review)
Cynanchum harlingii Morillo	Synonym		WCSP (in review)
Cynanchum harrisii (Schltr.) Stearn	Unresolved		WCSP (in review)
Cynanchum hartii (Schltr.) Proctor	Unresolved		WCSP (in review)
Cynanchum haruna-montanum Honda	Unresolved		WCSP (in review)
Cynanchum hastatum Lam.	Synonym		WCSP (in review)
Cynanchum hastatum Pers. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum hastifolium K.Schum.	Accepted		WCSP (in review)
Cynanchum hastifolium N.E.Br. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum hastifolium subsp. clavidens (N.E.Br.) Liede	Synonym		WCSP (in review)
Cynanchum hatusuimai P.T.Li	Synonym		WCSP (in review)
Cynanchum haughtii Woodson	Unresolved		WCSP (in review)
Cynanchum helicoideum Choux	Synonym		WCSP (in review)
Cynanchum henryi Warb. ex Diels	Synonym		WCSP (in review)
Cynanchum heteromorphum Vatke	Accepted		WCSP (in review)
Cynanchum heterophyllum Delile	Unresolved		WCSP (in review)
Cynanchum heydei Hook.f.	Accepted		WCSP (in review)
Cynanchum heyneanum Schult.	Synonym		WCSP (in review)
Cynanchum hickenii Malme	Accepted		WCSP (in review)
Cynanchum hieronymi (Lorentz) Hicken	Unresolved		WCSP (in review)
Cynanchum hirsutum Vahl	Synonym		WCSP (in review)
Cynanchum hirsutum (Michx.) Pers. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum hirsutum Vell. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum hirsutum Sessé & Moç. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum hirsutum Costantin [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum hirtellum (Oliv.) V.M.Badillo	Synonym		WCSP (in review)
Cynanchum hirtum L.	Synonym		WCSP (in review)
Cynanchum hirtum Blanco [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum hoedimeerium Bakh.f.	Accepted		WCSP (in review)
Cynanchum holmianum Steyerm.	Synonym		WCSP (in review)
Cynanchum holstii K.Schum.	Synonym		WCSP (in review)
Cynanchum hookerianum Steud.	Synonym		WCSP (in review)
Cynanchum huberi Morillo	Synonym		WCSP (in review)
Cynanchum humbert-capuronii Liede & Meve	Accepted		WCSP (in review)
Cynanchum humbertii Choux	Unresolved		WCSP (in review)
Cynanchum humboldtianum Schult.	Synonym		WCSP (in review)
Cynanchum humile Falc. ex Hook.f. [Invalid]	Synonym		WCSP (in review)
Cynanchum huteri (Vis. & Asch.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum hydrophilum Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum hystrix Vell.	Synonym		WCSP (in review)
Cynanchum ikema Siebold ex Ohwi	Unresolved		WCSP (in review)
Cynanchum implicatum (Jum. & H.Perrier) Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum inaguense (Vail) R.A.Howard & Dunbar	Unresolved		WCSP (in review)
Cynanchum inamoenum (Maxim.) Loes. ex Gilg. & Loes.	Unresolved		WCSP (in review)
Cynanchum inconspicuum Griff.	Synonym		WCSP (in review)
Cynanchum indicum Burm.f.	Unresolved		WCSP (in review)
Cynanchum indicum Lam.	Synonym		WCSP (in review)
Cynanchum infimicola L.O.Williams	Unresolved		WCSP (in review)
Cynanchum inodorum Lour.	Synonym		WCSP (in review)
Cynanchum insigne (N.E.Br.) Liede & Meve	Accepted		WCSP (in review)
Cynanchum insulanum (Hance) Hemsl.	Accepted		WCSP (in review)
Cynanchum insulanum var. insulanum	Accepted		TRO
Cynanchum insulanum var. lineare (Tsiang & H.T.Zhang) Tsiang & H.T.Zhang	Accepted		WCSP (in review)
Cynanchum intermedium N.E.Br.	Synonym		WCSP (in review)
Cynanchum intricatum K.Schum.	Accepted		WCSP (in review)
Cynanchum inundatum Lem. ex Decne.	Unresolved		WCSP (in review)
Cynanchum ipecacuanha Willd.	Unresolved		WCSP (in review)
Cynanchum isidrensis Morillo	Accepted		WCSP (in review)
Cynanchum itremense Liede	Accepted		WCSP (in review)
Cynanchum jacquemontianum Decne.	Accepted		WCSP (in review)
Cynanchum jahnii Morillo	Synonym		WCSP (in review)
Cynanchum jalicola (Juz.) Juz.	Unresolved		WCSP (in review)
Cynanchum jaliscanum (Vail) Woodson	Accepted		WCSP (in review)
Cynanchum jamaicense (Griseb.) Woodson	Synonym		WCSP (in review)
Cynanchum japonicum E.Morren & Decne.	Unresolved		WCSP (in review)
Cynanchum japonicum (C. Morren & Decaisne) Hemsl.	Accepted		TRO
Cynanchum jaramilloi Morillo	Accepted		WCSP (in review)
Cynanchum javanicum (Koord.) Bakh.f	Synonym		WCSP (in review)
Cynanchum javanicum (Koord.-Schum.) Bakh. f.	Accepted		TRO
Cynanchum jenmanii Morillo	Accepted		WCSP (in review)
Cynanchum juliani Morillo	Unresolved		WCSP (in review)
Cynanchum juliani-marnieri Desc.	Accepted		WCSP (in review)
Cynanchum jumellei Choux	Accepted		WCSP (in review)
Cynanchum junciforme (Decne.) Liede	Accepted		WCSP (in review)
Cynanchum juzepczukii (Pobed.) Borhidi	Unresolved		WCSP (in review)
Cynanchum kamaense Morillo	Synonym		WCSP (in review)
Cynanchum kaschgaricum Y.X.Liou	Accepted		WCSP (in review)
Cynanchum katoi Ohwi	Unresolved		WCSP (in review)
Cynanchum kenouriense Wight	Unresolved		WCSP (in review)
Cynanchum kenowiense (Wight) K.Schum.	Unresolved		WCSP (in review)
Cynanchum kingdonwardii M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum kintungense Tsiang	Accepted		WCSP (in review)
Cynanchum kiusianum Nakai	Unresolved		WCSP (in review)
Cynanchum kiyohikoanum Honda	Unresolved		WCSP (in review)
Cynanchum komarovii Iljinski	Unresolved		WCSP (in review)
Cynanchum krameri (Franch. & Sav.) Matsum.	Unresolved		WCSP (in review)
Cynanchum kunthii (Decne.) Standl.	Unresolved		WCSP (in review)
Cynanchum kuznetzowii Bordz.	Unresolved		WCSP (in review)
Cynanchum kwangsiense Tsiang & H.T.Zhang	Accepted		WCSP (in review)
Cynanchum laeve (Michx.) Pers.	Synonym		WCSP (in review)
Cynanchum laeve (Blume) K.Schum. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum laevigatum Vahl ex Decaisne in de Candolle	Unresolved		TRO
Cynanchum lanceolatum Poir.	Synonym		WCSP (in review)
Cynanchum lanceolatum Kunth	Unresolved		WCSP (in review)
Cynanchum lancifolium Schumach. & Thonn.	Synonym		WCSP (in review)
Cynanchum lancifolium Hook. & Arn. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum lanhsuense T.Yamaz.	Accepted		WCSP (in review)
Cynanchum lasiocarpum Koidz.	Unresolved		WCSP (in review)
Cynanchum lateriflorum (Hemsl.) Kitag.	Synonym		TRO
Cynanchum latifolium Schumach. & Thonn.	Unresolved		WCSP (in review)
Cynanchum laxum Bartl.	Unresolved		WCSP (in review)
Cynanchum lechleri Morillo	Accepted		WCSP (in review)
Cynanchum lecomtei Choux	Accepted		WCSP (in review)
Cynanchum ledermannii Schltr.	Unresolved		WCSP (in review)
Cynanchum leianthus Domokos	Unresolved		TRO
Cynanchum lenewtonii Liede	Accepted		WCSP (in review)
Cynanchum leptocladum (Decne.) Jiménez	Unresolved		WCSP (in review)
Cynanchum leptolepis (Benth.) Domin	Accepted		WCSP (in review)
Cynanchum leptophyllum (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum leptostephanum Diels	Accepted		WCSP (in review)
Cynanchum leucanthum Jacq. ex J.F.Gmel.	Synonym		WCSP (in review)
Cynanchum leucanthum (K.Schum.) K.Schum.	Accepted		WCSP (in review)
Cynanchum leucophellum Diels	Accepted		WCSP (in review)
Cynanchum leveilleanum Schltr. ex H. Lév.	Synonym		TRO
Cynanchum liebiana (F.Muell.) P.I.Forst.	Unresolved		WCSP (in review)
Cynanchum liebianum (F. Muell.) P.I. Forst.	Synonym		TRO
Cynanchum liesneriana L.O.Williams	Unresolved		WCSP (in review)
Cynanchum liesnerianum L.O. Williams	Synonym		TRO
Cynanchum lightii Dunn	Unresolved		WCSP (in review)
Cynanchum lignosum (Vail) Woodson	Synonym		WCSP (in review)
Cynanchum ligulatum (Benth.) Woodson	Accepted		WCSP (in review)
Cynanchum likiangense W.T.Wang	Synonym		WCSP (in review)
Cynanchum limprichtii Schltr.	Unresolved		WCSP (in review)
Cynanchum lineare N.E.Br.	Accepted		WCSP (in review)
Cynanchum lineare (Bello) Alain [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum linearifolium Hemsl.	Synonym		WCSP (in review)
Cynanchum linearisepalum P.T.Li	Unresolved		WCSP (in review)
Cynanchum linifolium (Balf.f.) Bullock ex G.B.Popov	Unresolved		WCSP (in review)
Cynanchum liukiuense Warb.	Accepted		WCSP (in review)
Cynanchum loheri Schltr.	Accepted		WCSP (in review)
Cynanchum longecalicinum Morillo	Accepted		WCSP (in review)
Cynanchum longicoronatum L.O.Williams	Unresolved		WCSP (in review)
Cynanchum longiflorum Jacq.	Unresolved		WCSP (in review)
Cynanchum longifolium G.Martens	Synonym		WCSP (in review)
Cynanchum longipedunculatum M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum longipes N.E.Br.	Accepted		WCSP (in review)
Cynanchum longirostrum (K.Schum.) W.D.Stevens	Accepted		WCSP (in review)
Cynanchum lopezpalaciosii Morillo	Accepted		WCSP (in review)
Cynanchum louiseae Kartesz & Gandhi	Synonym		WCSP (in review)
Cynanchum luteifluens (Jum. & H.Perrier) Desc.	Accepted		WCSP (in review)
Cynanchum luteifluens var. luteifluens	Accepted		TRO
Cynanchum luteolum Vahl ex Decne.	Unresolved		WCSP (in review)
Cynanchum luteum Steud.	Unresolved		WCSP (in review)
Cynanchum luteum Spreng.	Unresolved		WCSP (in review)
Cynanchum luteynii Morillo	Accepted		WCSP (in review)
Cynanchum luzonicum Schltr.	Synonym		WCSP (in review)
Cynanchum lycioides Steud. ex D.Dietr.	Unresolved		WCSP (in review)
Cynanchum lysimachioides Tsiang & P.T.Li	Accepted		WCSP (in review)
Cynanchum maasii Morillo	Accepted		WCSP (in review)
Cynanchum maccartii Shinners [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum maccartii var. maccartii	Synonym		TRO
Cynanchum macinense A. Chev.	Unresolved		TRO
Cynanchum macraei Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum macranthum Jum. & H.Perrier	Unresolved		WCSP (in review)
Cynanchum macranthum Nakai [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum macranthum Jum. & H. Perrier	Accepted		TRO
Cynanchum macrolobum Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum macrophyllum Pers.	Synonym		WCSP (in review)
Cynanchum macrophyllum Thunb. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum macrophyllum (Siebold & Zucc.) Matsum. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum macrorhizon Carrière	Synonym		WCSP (in review)
Cynanchum madagascariense K.Schum.	Accepted		WCSP (in review)
Cynanchum madecassum Desc.	Synonym		WCSP (in review)
Cynanchum maeoticum Kleopow	Unresolved		WCSP (in review)
Cynanchum magale Buch.-Ham. ex Dillwyn	Accepted		WCSP (in review)
Cynanchum magdalenicum Dugand	Synonym		WCSP (in review)
Cynanchum magnificum Nakai [Invalid]	Unresolved		WCSP (in review)
Cynanchum mahafialense Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum mairei Schltr. ex H.Lév.	Synonym		WCSP (in review)
Cynanchum manarae Morillo	Synonym		WCSP (in review)
Cynanchum mandshuricum (Hance) Hemsl.	Unresolved		WCSP (in review)
Cynanchum mannii (Scott-Elliot) N.E.Br.	Synonym		WCSP (in review)
Cynanchum mariense (Meve & Liede) Liede & Meve	Accepted		WCSP (in review)
Cynanchum mariquitense Mutis	Accepted		WCSP (in review)
Cynanchum maritimum (Jacq.) Jacq.	Synonym		WCSP (in review)
Cynanchum maritimum Salisb.	Synonym		WCSP (in review)
Cynanchum marnierianum Rauh	Accepted		WCSP (in review)
Cynanchum marsdenioides Woodson	Unresolved		WCSP (in review)
Cynanchum martinicense (Schltr.) R.A.Howard	Synonym		WCSP (in review)
Cynanchum masoalense Choux	Accepted		WCSP (in review)
Cynanchum matsudanum Koidz.	Unresolved		WCSP (in review)
Cynanchum matsumurae T.Yamaz.	Synonym		WCSP (in review)
Cynanchum mauritianum Lam.	Synonym		WCSP (in review)
Cynanchum mauritianum Bojer ex Decne.	Synonym		WCSP (in review)
Cynanchum maximoviczii Pobed.	Accepted		WCSP (in review)
Cynanchum maximowiczianum (Warb.) Nakai	Unresolved		WCSP (in review)
Cynanchum mazzuchii (Speg.) Liede	Accepted		WCSP (in review)
Cynanchum medinae Morillo	Synonym		WCSP (in review)
Cynanchum medium R.Br.	Unresolved		WCSP (in review)
Cynanchum medium (Decne.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum megalanthum M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum melanophleum Willd.	Unresolved		TRO
Cynanchum melanthos Poir.	Unresolved		WCSP (in review)
Cynanchum melanthum (Decne.) T.Mey.	Synonym		WCSP (in review)
Cynanchum melanthum (Decne.) Decne. ex Malme	Synonym		TRO
Cynanchum membranaceum (Liede & Meve) Liede & Meve	Accepted		WCSP (in review)
Cynanchum menarandrense Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum mensense (Schweinf.) K.Schum.	Synonym		WCSP (in review)
Cynanchum meoticum Kleopow [Unplaced]	Unresolved		WCSP (in review)
Cynanchum meridense Morillo	Accepted		WCSP (in review)
Cynanchum messeri (Buchenau) Puech	Accepted		WCSP (in review)
Cynanchum messeri (Buchenau) Jum. & H. Perrier	Unresolved		TRO
Cynanchum mevei Liede	Accepted		WCSP (in review)
Cynanchum mexicanum Brandegee	Unresolved		WCSP (in review)
Cynanchum mexicoense P.T.Li [Unplaced]	Unresolved		WCSP (in review)
Cynanchum meyeri (Decne.) Schltr.	Accepted		WCSP (in review)
Cynanchum micranthum Thunb.	Synonym		WCSP (in review)
Cynanchum microcentrum Tsiang	Unresolved		TRO
Cynanchum microphyllum Kunth	Accepted		WCSP (in review)
Cynanchum microphylum Raf.	Synonym		WCSP (in review)
Cynanchum microstegium K.Schum.	Unresolved		WCSP (in review)
Cynanchum microstemma (Turcz.) Morillo	Accepted		WCSP (in review)
Cynanchum minahassae Schltr.	Accepted		WCSP (in review)
Cynanchum minus K.Koch	Unresolved		WCSP (in review)
Cynanchum minutiflorum K.Schum. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum mirifolium (Gleason & Moldenke) R.W.Holm	Synonym		WCSP (in review)
Cynanchum miserum L.O.Williams	Unresolved		WCSP (in review)
Cynanchum molle (E.Mey.) D.Dietr.	Synonym		WCSP (in review)
Cynanchum monense (Britton) Alain	Unresolved		WCSP (in review)
Cynanchum mongolicum (Maxim.) Hemsl.	Unresolved		WCSP (in review)
Cynanchum mongolicum (Maxim.) Kom.	Accepted		TRO
Cynanchum mongolicum var. hupehense Pamp.	Synonym		TRO
Cynanchum monspeliacum L.	Synonym		WCSP (in review)
Cynanchum montevidense Spreng.	Synonym		WCSP (in review)
Cynanchum mooreanum Hemsl.	Unresolved		WCSP (in review)
Cynanchum moramangense Choux	Accepted		WCSP (in review)
Cynanchum moratii Liede	Accepted		WCSP (in review)
Cynanchum morilloi P.T.Li	Accepted		WCSP (in review)
Cynanchum morrenioides Goyder	Accepted		WCSP (in review)
Cynanchum mossambicense K.Schum.	Accepted		WCSP (in review)
Cynanchum mucronatum Andrews	Unresolved		WCSP (in review)
Cynanchum mucronatum Kunth [Illegitimate]	Synonym		WCSP (in review)
Cynanchum mucronatum (Decne.) Reiche [Illegitimate]	Synonym		WCSP (in review)
Cynanchum mucronatum (Spreng.) N.E.Br. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum mulegense Wiggins	Unresolved		WCSP (in review)
Cynanchum muliense Tsiang	Unresolved		WCSP (in review)
Cynanchum multicaurium I.C.Chung	Unresolved		WCSP (in review)
Cynanchum multiflorum Spreng.	Synonym		WCSP (in review)
Cynanchum multiflorum (E.Fourn.) K.Schum. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum multinerve (Franch. & Sav.) Matsum.	Unresolved		WCSP (in review)
Cynanchum multinervium Morillo	Synonym		WCSP (in review)
Cynanchum muricatum (Blume) Boerl.	Accepted		WCSP (in review)
Cynanchum myrianthum (Schltr.) Morillo	Unresolved		WCSP (in review)
Cynanchum myrtifolium Hook. & Arn.	Accepted		WCSP (in review)
Cynanchum myrtifolium Poepp. ex Decne.	Unresolved		WCSP (in review)
Cynanchum nanellum P.T.Li	Synonym		WCSP (in review)
Cynanchum nanissimum Liede [Illegitimate]	Synonym		WCSP (in review)
Cynanchum nanum Buch.-Ham. ex Wight	Unresolved		WCSP (in review)
Cynanchum nanum Skottsb. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum napiferum Choux	Accepted		WCSP (in review)
Cynanchum natalitium Schltr.	Accepted		WCSP (in review)
Cynanchum neei Morillo	Synonym		WCSP (in review)
Cynanchum nematostemma Liede	Accepted		WCSP (in review)
Cynanchum neopommeranicum Schltr.	Unresolved		TRO
Cynanchum nielsenii Morillo	Accepted		WCSP (in review)
Cynanchum nigricans Vahl ex Decne.	Unresolved		WCSP (in review)
Cynanchum nigrum Cav.	Synonym		WCSP (in review)
Cynanchum nigrum (L.) Pers. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum nigrum (L.) R. Br.	Synonym		TRO
Cynanchum nikoense (Maxim.) Makino	Unresolved		WCSP (in review)
Cynanchum nipponicum Matsum.	Synonym		WCSP (in review)
Cynanchum nipponicum f. rotundifolium (Honda) T.Yamaz.	Unresolved		WCSP (in review)
Cynanchum nipponicum f. viridescens (Murata)	Synonym		WCSP (in review)
Cynanchum nitidum Vell.	Synonym		WCSP (in review)
Cynanchum nivale Nyman	Unresolved		WCSP (in review)
Cynanchum nivale (Boiss. & Heldr.) Beck	Unresolved		WCSP (in review)
Cynanchum nodosum (Jum. & H.Perrier) Desc.	Synonym		WCSP (in review)
Cynanchum northropiae (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum nubicola Morillo	Synonym		WCSP (in review)
Cynanchum nummulariifolium Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum nummulariifolium var. biflorum (Phil.) Reiche	Synonym		WCSP (in review)
Cynanchum obliquum Jacq.	Synonym		WCSP (in review)
Cynanchum obovatum (Decne.) Choux	Synonym		WCSP (in review)
Cynanchum obovatum R.W.Holm [Illegitimate]	Synonym		WCSP (in review)
Cynanchum obscurum K.Schum.	Synonym		WCSP (in review)
Cynanchum obtusifolium L.f.	Accepted		WCSP (in review)
Cynanchum obtusifolium Rich. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum obtusifolium var. pilosum (R. Br.) Schltr.	Synonym		TRO
Cynanchum obtusum Costantin	Unresolved		TRO
Cynanchum occidentale (Spreng.) Jiménez [Unplaced]	Unresolved		WCSP (in review)
Cynanchum odoratissimum Lour.	Unresolved		WCSP (in review)
Cynanchum odoratum Hook. & Arn.	Unresolved		WCSP (in review)
Cynanchum officinale (Hemsl.) Tsiang & H.T.Zhang	Accepted		WCSP (in review)
Cynanchum oleifolium Nectoux	Unresolved		WCSP (in review)
Cynanchum omissum Bullock	Synonym		WCSP (in review)
Cynanchum ophiticola Alain	Synonym		WCSP (in review)
Cynanchum orangeanum (Schltr.) N.E.Br.	Accepted		WCSP (in review)
Cynanchum orientale Willd. ex Spreng.	Synonym		WCSP (in review)
Cynanchum orientense Alain	Unresolved		WCSP (in review)
Cynanchum otophyllum C.K.Schneid.	Accepted		WCSP (in review)
Cynanchum ovalifolium Wight	Accepted		WCSP (in review)
Cynanchum ovalifolium var. angustifolium Ridl.	Synonym		WCSP (in review)
Cynanchum ovatum Thunb.	Unresolved		WCSP (in review)
Cynanchum ovatum (E.Mey.) Druce [Illegitimate]	Synonym		WCSP (in review)
Cynanchum ovatum (Benth.) Domin [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum oxyphyllum (Turcz.) Morillo	Synonym		WCSP (in review)
Cynanchum pachycladon Choux	Accepted		WCSP (in review)
Cynanchum pachylepis (F.M.Bailey) Domin	Synonym		WCSP (in review)
Cynanchum pachyphyllum (Decne.) K.Schum.	Accepted		WCSP (in review)
Cynanchum pallidum Salisb.	Synonym		WCSP (in review)
Cynanchum pallidum Sessé & Moç. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum palmeri (S.Watson) S.F.Blake	Unresolved		WCSP (in review)
Cynanchum palmeri (S.Watson) Shinners [Illegitimate]	Synonym		WCSP (in review)
Cynanchum palmeri var. peninsulare (S.F.Blake) I.M.Johnst.	Unresolved		WCSP (in review)
Cynanchum palustre (Pursh) A.Heller	Unresolved		WCSP (in review)
Cynanchum pamirense Tsiang & H.T.Zhang	Accepted		WCSP (in review)
Cynanchum paniculatum (Bunge) Kitag. ex H.Hara	Synonym		WCSP (in review)
Cynanchum paniculatum (Bunge) Kitag.	Accepted		TRO
Cynanchum pannonicum Borhidi	Unresolved		WCSP (in review)
Cynanchum papillatum Choux	Accepted		WCSP (in review)
Cynanchum papillosum Weim. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum paralias (Decne.) P.T.Li	Unresolved		WCSP (in review)
Cynanchum paramorum Morillo	Accepted		WCSP (in review)
Cynanchum paraquense Morillo	Synonym		WCSP (in review)
Cynanchum parviflorum Sw.	Synonym		WCSP (in review)
Cynanchum parviflorum (Decne.) K.Schum. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum parviflorum (R. Br.) Alain	Accepted		TRO
Cynanchum patagonicum (Phil.) Malme	Synonym		WCSP (in review)
Cynanchum pauciflorum R.Br.	Synonym		WCSP (in review)
Cynanchum pauciflorum (Miq.) Matsum. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum pearsonii N.E.Br.	Synonym		WCSP (in review)
Cynanchum pedunculare Lam. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum pedunculatum R.Br.	Accepted		WCSP (in review)
Cynanchum pedunculatum Thunb. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum pendulum Poir. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum penicillatum (Griseb.) Alain	Unresolved		WCSP (in review)
Cynanchum peninsulare S.F.Blake	Unresolved		WCSP (in review)
Cynanchum peraffine Woodson	Unresolved		WCSP (in review)
Cynanchum perrieri Choux	Accepted		WCSP (in review)
Cynanchum peruvianum (Schltr.) Morillo	Unresolved		WCSP (in review)
Cynanchum petignatii Liede & Rauh	Accepted		WCSP (in review)
Cynanchum petrense Hemsl. & Lace	Unresolved		WCSP (in review)
Cynanchum phillipsonianum Liede & Meve	Accepted		WCSP (in review)
Cynanchum phylladen Vell.	Synonym		WCSP (in review)
Cynanchum physocarpum Schltr.	Accepted		WCSP (in review)
Cynanchum picardae (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum pichinchense K.Schum.	Accepted		WCSP (in review)
Cynanchum pictum Vahl	Synonym		WCSP (in review)
Cynanchum pietrangelii Morillo	Accepted		WCSP (in review)
Cynanchum pilosum R.Br.	Synonym		WCSP (in review)
Cynanchum pingshanicum M.G.Gilbert & P.T.Li	Unresolved		WCSP (in review)
Cynanchum planiflorum (Jacq.) Jacq.	Synonym		WCSP (in review)
Cynanchum planifolium L.	Synonym		WCSP (in review)
Cynanchum pleianthum K.Schum.	Synonym		WCSP (in review)
Cynanchum polyanthum K.Schum.	Accepted		WCSP (in review)
Cynanchum praecox Schltr. ex S.Moore	Accepted		WCSP (in review)
Cynanchum prevostii Morillo	Accepted		WCSP (in review)
Cynanchum pringlei (A.Gray) Henr.	Unresolved		WCSP (in review)
Cynanchum priorii (Rendle) Stearn	Unresolved		WCSP (in review)
Cynanchum proctorianum Spellman & Morillo	Unresolved		WCSP (in review)
Cynanchum procumbens Medik. ex Steud.	Unresolved		WCSP (in review)
Cynanchum prostratum Cav.	Unresolved		WCSP (in review)
Cynanchum puberulum F.Muell. ex Benth.	Accepted		WCSP (in review)
Cynanchum pubescens Bunge	Synonym		WCSP (in review)
Cynanchum pubipetalum Alain	Unresolved		WCSP (in review)
Cynanchum pumilum (Decne.) Bornm.	Unresolved		WCSP (in review)
Cynanchum punctatum (Massart) Sessé & Moç.	Unresolved		WCSP (in review)
Cynanchum puncticulatum Koidz.	Unresolved		WCSP (in review)
Cynanchum × purpurascens C.Morren & Decne.	Unresolved		WCSP (in review)
Cynanchum × purpurascens (C.Morren & Decne.) Matsum.	Unresolved		WCSP (in review)
Cynanchum purpurascens (C. Morren & Decaisne) Matsum.	Accepted		TRO
Cynanchum purpureiflorum Morillo	Accepted		WCSP (in review)
Cynanchum purpureum (Pall.) K.Schum.	Accepted		WCSP (in review)
Cynanchum pusillum Spreng. ex Fourn.	Unresolved		WCSP (in review)
Cynanchum pusilum Grubov	Accepted		WCSP (in review)
Cynanchum pycnoneuroides Choux	Accepted		WCSP (in review)
Cynanchum pygmaeum Schltr.	Synonym		WCSP (in review)
Cynanchum pyrotechnicum Forssk.	Unresolved		WCSP (in review)
Cynanchum quitense K.Schum.	Unresolved		WCSP (in review)
Cynanchum racemosum (Jacq.) Jacq.	Accepted		WCSP (in review)
Cynanchum racemosum Brandegee [Illegitimate]	Synonym		WCSP (in review)
Cynanchum racemosum var. cyathiforme Sundell	Synonym		WCSP (in review)
Cynanchum racemosum var. guatemalense (Dugand) Sundell	Accepted		WCSP (in review)
Cynanchum racemosum var. rensonii (Pittier) Sundell	Accepted		WCSP (in review)
Cynanchum racemosum var. unifarium (Scheele) Sundell	Accepted		WCSP (in review)
Cynanchum raddeanum (Albov) Kusn.	Unresolved		WCSP (in review)
Cynanchum radians (Forssk.) Lam.	Unresolved		WCSP (in review)
Cynanchum radiatum Jum. & H.Perrier	Accepted		WCSP (in review)
Cynanchum rauhianum Desc.	Accepted		WCSP (in review)
Cynanchum readii (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum rectum Forssk. ex Decne.	Synonym		WCSP (in review)
Cynanchum recurvum (Rusby) Spellman	Synonym		WCSP (in review)
Cynanchum reflexum (Hemsl.) Pittier	Synonym		WCSP (in review)
Cynanchum rehmannii (Boiss.) Kusn.	Unresolved		WCSP (in review)
Cynanchum rendlei Stearn	Synonym		WCSP (in review)
Cynanchum rensonii (Pittier) Woodson	Synonym		WCSP (in review)
Cynanchum repandum (Decne.) K.Schum.	Accepted		WCSP (in review)
Cynanchum reticulatum Retz.	Unresolved		WCSP (in review)
Cynanchum reticulatum Buch.-Ham. ex Hook.f.	Unresolved		WCSP (in review)
Cynanchum retropilum Nakai [Invalid]	Unresolved		WCSP (in review)
Cynanchum revolutum R.W.Holm	Synonym		WCSP (in review)
Cynanchum richardianum Alain	Unresolved		WCSP (in review)
Cynanchum riometense Sundell	Accepted		WCSP (in review)
Cynanchum rioparanense Sundell	Accepted		WCSP (in review)
Cynanchum riparium Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum robertii (S.Moore) Malme	Unresolved		WCSP (in review)
Cynanchum robertsoniae Liede	Unresolved		WCSP (in review)
Cynanchum rockii M.G.Gilbert & P.T.Li	Unresolved		WCSP (in review)
Cynanchum rodriguezii Morillo	Accepted		WCSP (in review)
Cynanchum roraimense (Schltr.) Morillo	Synonym		WCSP (in review)
Cynanchum roseum R.Br.	Synonym		WCSP (in review)
Cynanchum roseum Chiov. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum rossicum Kleopow	Unresolved		WCSP (in review)
Cynanchum rossicum (Kleopow) Borhidi	Unresolved		WCSP (in review)
Cynanchum rossii Rauh	Accepted		WCSP (in review)
Cynanchum rostratum Vahl	Synonym		WCSP (in review)
Cynanchum rotatum Vell.	Synonym		WCSP (in review)
Cynanchum rotatum Sessé & Moç. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum rotiforme P.T.Li	Unresolved		WCSP (in review)
Cynanchum rotundifolium Thunb. ex Decne. [Invalid]	Synonym		WCSP (in review)
Cynanchum rotundus M.E. Jones	Unresolved		TRO
Cynanchum roulinioides (E.Fourn.) Rapini	Accepted		WCSP (in review)
Cynanchum roylei Wight	Accepted		WCSP (in review)
Cynanchum rubellum (Franch. & Sav.) Matsum.	Unresolved		WCSP (in review)
Cynanchum rubens L.O.Williams	Unresolved		WCSP (in review)
Cynanchum rubricoronae Liede	Accepted		WCSP (in review)
Cynanchum rugosum (Turcz.) Morillo	Synonym		WCSP (in review)
Cynanchum ruizteranii Morillo	Accepted		WCSP (in review)
Cynanchum rungweense Bullock	Accepted		WCSP (in review)
Cynanchum rupicola (Urb.) Alain	Unresolved		WCSP (in review)
Cynanchum rusbyi Malme	Unresolved		WCSP (in review)
Cynanchum rusillonii Hochr.	Synonym		WCSP (in review)
Cynanchum saccatum W.T.Wang	Synonym		WCSP (in review)
Cynanchum saepimentorum (Brandegee) Woodson	Synonym		WCSP (in review)
Cynanchum × sakaianum Honda	Unresolved		WCSP (in review)
Cynanchum sakaianum Honda	Synonym		TRO
Cynanchum salinarum (Griseb.) Alain	Synonym		WCSP (in review)
Cynanchum samuelssonii Malme	Accepted		WCSP (in review)
Cynanchum sarcostemma Lillo	Unresolved		WCSP (in review)
Cynanchum sarcostemmatoides K.Schum.	Synonym		WCSP (in review)
Cynanchum sarcostemmoides K. Schum.	Synonym		TRO
Cynanchum sauvallei Alain	Synonym		WCSP (in review)
Cynanchum savannarum Alain	Synonym		WCSP (in review)
Cynanchum savatierii Koidz.	Unresolved		TRO
Cynanchum scabrum Schumach. & Thonn. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum scandens (Sommier & Levier) Kusn.	Unresolved		WCSP (in review)
Cynanchum schimperi Hochst.	Synonym		WCSP (in review)
Cynanchum schistoglossum Schltr.	Accepted		WCSP (in review)
Cynanchum schizocoronum Liede & Meve	Accepted		WCSP (in review)
Cynanchum schlechtendalii (Decne.) Standl. & Steyerm.	Unresolved		WCSP (in review)
Cynanchum schlechterianum Warb.	Synonym		WCSP (in review)
Cynanchum schmalhauseni Kusnezov	Synonym		TRO
Cynanchum schmalhausenii Kusn.	Unresolved		WCSP (in review)
Cynanchum scoparium Nutt.	Synonym		WCSP (in review)
Cynanchum scopulosum Bosser	Accepted		WCSP (in review)
Cynanchum seimundii Ridl. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum senegalense Sieber ex Decne.	Unresolved		WCSP (in review)
Cynanchum sepicola (Pittier) L.O.Williams	Unresolved		WCSP (in review)
Cynanchum sepium (Decne.) Standl.	Accepted		WCSP (in review)
Cynanchum serpyllifolium Kunth	Unresolved		WCSP (in review)
Cynanchum sessei P.T.Li	Unresolved		WCSP (in review)
Cynanchum sessiliflorum (Decne.) Liede	Accepted		WCSP (in review)
Cynanchum sibiricum Willd.	Synonym		WCSP (in review)
Cynanchum sibiricum (L.) R.Br. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum sibiricum var. australe (Maxim.) Maxim. ex Kom.	Synonym		TRO
Cynanchum sibiricum var. gracilentum Nakai & Kitag.	Synonym		TRO
Cynanchum sibiricum var. latifolium Kitag.	Synonym		TRO
Cynanchum siderocalyx Morillo	Accepted		WCSP (in review)
Cynanchum sieboldii (Franch. & Sav.) Ohwi	Unresolved		WCSP (in review)
Cynanchum sigmoideum Correll	Synonym		WCSP (in review)
Cynanchum sigridiae Meve & M.Teissier	Accepted		WCSP (in review)
Cynanchum sinaloense (Brandegee) Woodson	Synonym		WCSP (in review)
Cynanchum sinoracemosum M.G.Gilbert & P.T.Li	Accepted		WCSP (in review)
Cynanchum sobradoi Morillo	Synonym		WCSP (in review)
Cynanchum sodiroi K.Schum.	Accepted		WCSP (in review)
Cynanchum somaliense (N.E.Br.) N.E.Br.	Unresolved		WCSP (in review)
Cynanchum sonorense Moran	Unresolved		WCSP (in review)
Cynanchum speciosum (Boiss. & Spruce) Nyman	Synonym		WCSP (in review)
Cynanchum spruceanum Morillo	Unresolved		WCSP (in review)
Cynanchum stannardii Morillo	Accepted		WCSP (in review)
Cynanchum staubii Bosser	Accepted		WCSP (in review)
Cynanchum stauntonii (Decne.) Schltr. ex H.Lév.	Unresolved		WCSP (in review)
Cynanchum stauntonii (Decne.) Hand.-Mazz.	Synonym		TRO
Cynanchum stellatum Vell.	Synonym		WCSP (in review)
Cynanchum stellatum Pobed. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum stelligerum P.T.Li	Synonym		WCSP (in review)
Cynanchum stenoglossum (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum stenolobum (Decne.) Morillo	Synonym		WCSP (in review)
Cynanchum stenomeres Standl. & Steyerm.	Unresolved		WCSP (in review)
Cynanchum stenophyllum Hemsl.	Unresolved		WCSP (in review)
Cynanchum stenospira K.Schum.	Accepted		WCSP (in review)
Cynanchum steppicola Hand.-Mazz.	Unresolved		WCSP (in review)
Cynanchum stepposum (Pobed.) Juz.	Unresolved		WCSP (in review)
Cynanchum stepposum Juz.	Synonym		TRO
Cynanchum stipitatum Correll	Unresolved		WCSP (in review)
Cynanchum streptanthum Malme	Unresolved		WCSP (in review)
Cynanchum strictum (Gleason & Moldenke) R.W.Holm	Synonym		WCSP (in review)
Cynanchum subcoriaceum Schltr.	Synonym		WCSP (in review)
Cynanchum suberosum L.	Synonym		WCSP (in review)
Cynanchum suberosum Kunth [Illegitimate]	Synonym		WCSP (in review)
Cynanchum sublanceolatum (Miq.) Matsum.	Unresolved		WCSP (in review)
Cynanchum sublanceolatum f. albiflorum (Franch. & Sav.) T.Yamaz.	Synonym		WCSP (in review)
Cynanchum sublanceolatum f. auriculatum (Franch. & Sav.) T.Yamaz.	Unresolved		WCSP (in review)
Cynanchum sublanceolatum var. kinokuniense T.Yamaz.	Synonym		WCSP (in review)
Cynanchum subpaniculatum Woodson	Unresolved		WCSP (in review)
Cynanchum subtilis Liede	Accepted		WCSP (in review)
Cynanchum subulatum Vell.	Unresolved		WCSP (in review)
Cynanchum subvolubile Schumach. & Thonn.	Synonym		WCSP (in review)
Cynanchum sucrense R.W.Holm	Synonym		WCSP (in review)
Cynanchum sulfureum (Velen.) Hayek	Unresolved		WCSP (in review)
Cynanchum suluense Schltr.	Accepted		WCSP (in review)
Cynanchum sumbawanum Warb.	Accepted		WCSP (in review)
Cynanchum surrubriflorum W.D.Stevens	Accepted		WCSP (in review)
Cynanchum szechuanense Tsiang & H.T.Zhang	Accepted		WCSP (in review)
Cynanchum szechuanense var. albescens Tsiang & H.T.Zhang	Synonym		WCSP (in review)
Cynanchum tabascense Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum taihangense Tsiang & H.T.Zhang	Unresolved		WCSP (in review)
Cynanchum taiwanianum T.Yamaz.	Synonym		WCSP (in review)
Cynanchum tamense Morillo	Accepted		WCSP (in review)
Cynanchum tamifolium Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum tamifolium var. major Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum tamifolium var. minor Hook. & Arn.	Synonym		WCSP (in review)
Cynanchum tarmense Schltr.	Accepted		WCSP (in review)
Cynanchum tatei (Gleason & Moldenke) R.W.Holm	Synonym		WCSP (in review)
Cynanchum tateyamense Masumura	Unresolved		TRO
Cynanchum taxifolium (Decne.) R.W.Holm	Synonym		WCSP (in review)
Cynanchum tenellum L.f. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum tenellum Blanco [Illegitimate]	Synonym		WCSP (in review)
Cynanchum tenellum Riedel ex E.Fourn.	Synonym		WCSP (in review)
Cynanchum tentorioides L.O. Williams	Unresolved		TRO
Cynanchum tepuiense Morillo	Synonym		WCSP (in review)
Cynanchum tetragonum Vell.	Synonym		WCSP (in review)
Cynanchum tetrapterum (Turcz.) R.A.Dyer ex Bullock	Synonym		WCSP (in review)
Cynanchum thailandense P.T.Li	Unresolved		WCSP (in review)
Cynanchum thesioides (Freyn) K.Schum.	Accepted		WCSP (in review)
Cynanchum thesioides var. australe (Maxim.) Tsiang & P.T.Li	Synonym		WCSP (in review)
Cynanchum thymifolium (Schltr.) Morillo	Unresolved		WCSP (in review)
Cynanchum tiaratum Malme	Accepted		WCSP (in review)
Cynanchum tingens Buch.-Ham. ex Hook.f.	Unresolved		WCSP (in review)
Cynanchum tmoleum (Boiss.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum toliari Liede & Meve	Accepted		WCSP (in review)
Cynanchum tomentosum Lam.	Unresolved		WCSP (in review)
Cynanchum tomentosum Royle ex Wight [Illegitimate]	Synonym		WCSP (in review)
Cynanchum trianae Morillo	Unresolved		WCSP (in review)
Cynanchum triangulare M.G.Gilbert, W.D.Stevens & P.T.Li	Accepted		WCSP (in review)
Cynanchum trichophyllum L.O.Williams	Unresolved		WCSP (in review)
Cynanchum triflorum Vell.	Synonym		WCSP (in review)
Cynanchum trifurcatum Schltr. [Illegitimate]	Unresolved		WCSP (in review)
Cynanchum trifurcatum (Griseb.) Lillo [Illegitimate]	Synonym		WCSP (in review)
Cynanchum trilobatum Lillo	Unresolved		TRO
Cynanchum trilobulatum Lillo	Accepted		WCSP (in review)
Cynanchum trinitense (N.E.Br.) Woodson	Synonym		WCSP (in review)
Cynanchum triste Griseb.	Synonym		WCSP (in review)
Cynanchum trollii Liede & Meve	Accepted		WCSP (in review)
Cynanchum truncatum R.Br.	Synonym		WCSP (in review)
Cynanchum tsaratananense Choux	Accepted		WCSP (in review)
Cynanchum tsiangii P.T.Li	Unresolved		WCSP (in review)
Cynanchum tuberculatum (Blume ex Miq.) Boerl.	Accepted		WCSP (in review)
Cynanchum tunicatum (Retz.) Alston	Accepted		WCSP (in review)
Cynanchum tylophoriudeum Schltr. ex H. Lév.	Unresolved		TRO
Cynanchum tylophoroides (Schltr.) Jiménez	Unresolved		WCSP (in review)
Cynanchum tylophoroideum Schltr. ex H. Lév.	Unresolved		TRO
Cynanchum umbellatum Vell. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum umbrosum (Decne.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum umtalense Liede	Accepted		WCSP (in review)
Cynanchum undatum Andrews [Unplaced]	Unresolved		WCSP (in review)
Cynanchum undulatum Jacq.	Synonym		WCSP (in review)
Cynanchum undulatum (Decne.) K.Schum.	Synonym		WCSP (in review)
Cynanchum unguiculatum Ruiz & Pav. ex Britton	Accepted		WCSP (in review)
Cynanchum unguiculatum Markgr. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum unifarium (Scheele) Woods	Synonym		WCSP (in review)
Cynanchum uniflorum Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum urbanianum (Schltr.) Alain	Unresolved		WCSP (in review)
Cynanchum urceolatum (E.Fourn.) K.Schum.	Unresolved		WCSP (in review)
Cynanchum urumoffii (Davidov) Hayek	Unresolved		WCSP (in review)
Cynanchum usterion Vell.	Unresolved		WCSP (in review)
Cynanchum utahense (Engelm.) Woodson	Synonym		WCSP (in review)
Cynanchum utriculosum Costantin	Unresolved		WCSP (in review)
Cynanchum vagum N.E.Br.	Synonym		WCSP (in review)
Cynanchum validum N.E.Br.	Synonym		WCSP (in review)
Cynanchum varians R.W.Holm	Synonym		WCSP (in review)
Cynanchum veleziae Morillo	Accepted		WCSP (in review)
Cynanchum velutinum Morillo	Accepted		WCSP (in review)
Cynanchum ventensis Morillo	Accepted		WCSP (in review)
Cynanchum veracruzianum Dugand	Synonym		WCSP (in review)
Cynanchum vernyi (Franch. & Sav.) Matsum.	Unresolved		WCSP (in review)
Cynanchum verrucosum (Desc.) Liede & Meve	Accepted		WCSP (in review)
Cynanchum versicolor Bunge	Unresolved		WCSP (in review)
Cynanchum verticillare Lam. [Unplaced]	Unresolved		WCSP (in review)
Cynanchum verticillatum Hemsl.	Unresolved		WCSP (in review)
Cynanchum villosum Schult.	Unresolved		WCSP (in review)
Cynanchum villosum Matsum. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum viminale (L.) L.	Accepted		WCSP (in review)
Cynanchum viminale Blanco [Illegitimate]	Synonym		WCSP (in review)
Cynanchum viminale subsp. stipitaceum (Forssk.) Meve & Liede	Accepted		WCSP (in review)
Cynanchum vincetoxicum (L.) Pers.	Unresolved		WCSP (in review)
Cynanchum vincetoxicum (L.) R. Br.	Synonym		TRO
Cynanchum violator R.W.Holm	Accepted		WCSP (in review)
Cynanchum virens (E.Mey.) D.Dietr.	Accepted		WCSP (in review)
Cynanchum virens (E. Mey.) Steud.	Synonym		TRO
Cynanchum virescens (K. Schum.) K. Schum.	Accepted		TRO
Cynanchum virginicum Banks ex Schult.	Synonym		WCSP (in review)
Cynanchum viride Vell.	Unresolved		WCSP (in review)
Cynanchum viride (Phil.) Reiche [Illegitimate]	Synonym		WCSP (in review)
Cynanchum viridiflorum Sims	Unresolved		WCSP (in review)
Cynanchum viridiflorum G.Mey. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum viridiflorum Ker Gawl. ex Spreng. [Illegitimate]	Synonym		WCSP (in review)
Cynanchum volubile (Decne.) Hemsl.	Unresolved		WCSP (in review)
Cynanchum vomitorium Lam.	Unresolved		WCSP (in review)
Cynanchum vulgare Pers.	Unresolved		WCSP (in review)
Cynanchum wallichii Wight	Accepted		WCSP (in review)
Cynanchum wangii P.T.Li & W.Kittr.	Unresolved		WCSP (in review)
Cynanchum warburgii Schltr.	Accepted		WCSP (in review)
Cynanchum watsonianum Woodson	Synonym		WCSP (in review)
Cynanchum welwitschii Schltr. & Rendle [Illegitimate]	Synonym		WCSP (in review)
Cynanchum wigginsii Shinners	Unresolved		WCSP (in review)
Cynanchum wilfordii (Maxim.) Hemsl.	Accepted		WCSP (in review)
Cynanchum wilfordii (Maxim.) Maxim. ex Hook. f.	Synonym		TRO
Cynanchum wilfordii var. amamianum Hatus.	Synonym		WCSP (in review)
Cynanchum woodsonianum L.O.Williams	Unresolved		WCSP (in review)
Cynanchum wrightianum Alain	Accepted		WCSP (in review)
Cynanchum wurdackii Morillo	Accepted		WCSP (in review)
Cynanchum xeroneuron (Schltr.) Morillo	Synonym		WCSP (in review)
Cynanchum yamanakae Ohwi & H.Ohashi	Synonym		WCSP (in review)
Cynanchum yesoense Nakai	Unresolved		WCSP (in review)
Cynanchum yonakuniense Hatus.	Synonym		WCSP (in review)
Cynanchum yunnanense J.Anthony [Illegitimate]	Synonym		WCSP (in review)
Cynanchum yunnanense H.Lév.	Synonym		WCSP
Cynanchum zeyheri Schltr.	Accepted		WCSP (in review)
Cynanchum zollingeri (Miq.) Boerl.	Synonym		WCSP (in review)