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⚠ Version 1 of The Plant List has been superseded.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

1097 plant name records match your search criteria Cissus. The results are below.

• Genus Cissus is in the family Vitaceae. 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
Cissus acapulcensis Kunth	Unresolved		TRO
Cissus acetosa F.Muell.	Unresolved		WCSP (in review)
Cissus acida L. [Illegitimate]	Synonym		WCSP (in review)
Cissus acida var. macilenta Planch.	Synonym		WCSP (in review)
Cissus aconitifolia Walp.	Unresolved		WCSP (in review)
Cissus acrantha Lauterb.	Synonym		WCSP (in review)
Cissus acreensis Lombardi	Accepted		WCSP (in review)
Cissus acris (F.Muell.) Planch.	Accepted		WCSP (in review)
Cissus aculeata Span.	Synonym		WCSP (in review)
Cissus acuminata A.Gray	Accepted		WCSP (in review)
Cissus acuminata Thwaites	Synonym		WCSP (in review)
Cissus acutifolia Poir.	Synonym		WCSP (in review)
Cissus acutissima Gilg [Unplaced]	Unresolved		WCSP (in review)
Cissus adamii Detoit	Accepted		WCSP (in review)
Cissus adenantha Fresen.	Synonym		WCSP (in review)
Cissus adenocarpa Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus adenocaulis Steud. ex A.Rich.	Synonym		WCSP (in review)
Cissus adenocaulis Steud. ex Planch. [Unplaced]	Unresolved		WCSP (in review)
Cissus adenocaulis var. eglandulosa Dewit	Synonym		TRO
Cissus adenocaulis var. eglanduloso-pubescens Dewit	Synonym		TRO
Cissus adenocaulis var. pubescens Dewit	Synonym		TRO
Cissus adenocephala Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus adenopoda Sprague	Synonym		WCSP (in review)
Cissus adeyana Masinde & L.E.Newton	Accepted		WCSP (in review)
Cissus adnata Roxb.	Accepted		WCSP (in review)
Cissus aegirophylla Bunge	Unresolved		WCSP (in review)
Cissus aegirophylla Bunge	Synonym		TRO
Cissus afzelii (Baker) Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus agnus-castus Planch.	Synonym		WCSP (in review)
Cissus alata Jacq.	Accepted		WCSP (in review)
Cissus alata Blanco [Illegitimate]	Synonym		WCSP (in review)
Cissus albida Cambess.	Accepted		WCSP (in review)
Cissus albiporcata Masinde & L.E.Newton	Accepted		WCSP (in review)
Cissus albonitens Linden & André	Synonym		WCSP (in review)
Cissus allenii Croat	Synonym		WCSP (in review)
Cissus allophyloides Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus alnifolia Schweinf. ex Planch.	Synonym		WCSP (in review)
Cissus altissima Zipp. ex Miq.	Synonym		WCSP (in review)
Cissus amapaensis Lombardi	Accepted		WCSP (in review)
Cissus amazonica Linden [Unplaced]	Unresolved		WCSP (in review)
Cissus ambiguus Elmer ex Merr. [Invalid]	Unresolved		WCSP (in review)
Cissus amboensis Schinz [Unplaced]	Unresolved		WCSP (in review)
Cissus amboinensis Zipp. ex Miq.	Synonym		WCSP (in review)
Cissus amboinensis (Planch.) Zipp. ex Planch.	Synonym		WCSP (in review)
Cissus ambongensis Desc.	Accepted		WCSP (in review)
Cissus amoena Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus ampelopsis Pers. [Illegitimate]	Synonym		WCSP (in review)
Cissus amplexa (Baker) Planch.	Synonym		WCSP (in review)
Cissus anaimalaiensis (Bedd.) Bedd.	Unresolved		WCSP (in review)
Cissus anatomicus C.A.Sm. [Unplaced]	Unresolved		WCSP (in review)
Cissus andina Dugand	Synonym		WCSP (in review)
Cissus andongensis (Welw.) Planch.	Synonym		WCSP (in review)
Cissus andraeana Planch.	Synonym		WCSP (in review)
Cissus anemonifolia Zipp. ex Miq.	Accepted		WCSP (in review)
Cissus angulata Lam.	Synonym		WCSP (in review)
Cissus angustata Ridl.	Accepted		WCSP (in review)
Cissus angustifolia Roxb.	Unresolved		WCSP (in review)
Cissus anisophylla Lombardi	Accepted		WCSP (in review)
Cissus annamicus Gagnep.	Accepted		WCSP (in review)
Cissus antandroy Desc.	Accepted		WCSP (in review)
Cissus antandroy var. villosa Desc.	Synonym		WCSP (in review)
Cissus antarctica Vent.	Accepted		WCSP (in review)
Cissus antarctica var. integerrima Domin	Synonym		WCSP (in review)
Cissus antarctica var. pubescens Domin	Synonym		WCSP (in review)
Cissus anulata Desc.	Accepted		WCSP (in review)
Cissus apendiculata Lombardi	Accepted		WCSP (in review)
Cissus aphylla Chiov.	Accepted		WCSP (in review)
Cissus aphyllantha Gilg	Accepted		WCSP (in review)
Cissus apoensis Elmer	Accepted		WCSP (in review)
Cissus aprica Jackes	Unresolved		TRO
Cissus aquosa Buch.-Ham. ex Wall. [Invalid]	Synonym		WCSP (in review)
Cissus arachnoidea Hassk.	Synonym		WCSP (in review)
Cissus araguainensis Lombardi	Accepted		WCSP (in review)
Cissus aralioides (Welw. ex Baker) Planch.	Accepted		WCSP (in review)
Cissus araneosa Dalzell [Unplaced]	Unresolved		WCSP (in review)
Cissus araneosa Miq.	Synonym		WCSP (in review)
Cissus arborea Blanco	Synonym		WCSP (in review)
Cissus arborea Forssk.	Unresolved		WCSP (in review)
Cissus arborea Willd. ex Roem. & Schult.	Unresolved		WCSP (in review)
Cissus arborea (L.) Des Moul. [Illegitimate]	Unresolved		WCSP (in review)
Cissus argentea Linden	Synonym		WCSP (in review)
Cissus arguta Hook.f.	Accepted		WCSP (in review)
Cissus arguta var. oliveri Engl.	Synonym		WCSP (in review)
Cissus aristata Blume	Accepted		WCSP (in review)
Cissus aristolochiifolia Planch.	Accepted		WCSP (in review)
Cissus aristolochioides Planch.	Accepted		WCSP (in review)
Cissus arnottiana B.V.Shetty & Par.Singh	Accepted		WCSP (in review)
Cissus arsenii Standl.	Synonym		WCSP (in review)
Cissus arthroclada Lauterb.	Synonym		WCSP (in review)
Cissus articulata Guill. & Perr.	Unresolved		WCSP (in review)
Cissus asperifolia (Baker) Planch.	Synonym		WCSP (in review)
Cissus assamica (M.A.Lawson) Craib	Accepted		WCSP (in review)
Cissus assimilis Kurz ex Lawson	Synonym		WCSP (in review)
Cissus astrotrichus Gagnep.	Accepted		WCSP (in review)
Cissus atacorensis A.Chev.	Accepted		WCSP (in review)
Cissus aubertiana (Gage) P.Singh & B.V.Shetty	Accepted		WCSP (in review)
Cissus auricomus Desc.	Accepted		WCSP (in review)
Cissus auriculata Roxb.	Synonym		WCSP (in review)
Cissus auriculata DC. [Illegitimate]	Synonym		WCSP (in review)
Cissus australasica F.Muell.	Synonym		WCSP (in review)
Cissus austroyunnanensis Y.H.Li & Y.Zhang	Accepted		WCSP (in review)
Cissus bachmaensis Gagnep.	Accepted		WCSP (in review)
Cissus bahiensis Lombardi	Accepted		WCSP (in review)
Cissus bainesii (Hook.f.) Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus bakeriana Planch.	Synonym		WCSP (in review)
Cissus bambuseti Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus bambusetii var. glandulosissima J. Dewit	Synonym		TRO
Cissus barbeyana De Wild. & T.Durand	Accepted		WCSP (in review)
Cissus barteri (Baker) Planch.	Accepted		WCSP (in review)
Cissus bathyrhakodes Werderm.	Accepted		WCSP (in review)
Cissus baudiniana Brouss. ex DC.	Synonym		WCSP (in review)
Cissus bauerlenii Planch.	Accepted		WCSP (in review)
Cissus behrmannii Lauterb.	Synonym		WCSP (in review)
Cissus bequaertii Detoit	Accepted		WCSP (in review)
Cissus betiformis Chiov.	Synonym		WCSP (in review)
Cissus beya Gilg [Unplaced]	Unresolved		WCSP (in review)
Cissus bicolor Domin	Accepted		WCSP (in review)
Cissus bifida Schumach. & Thonn.	Synonym		WCSP (in review)
Cissus biformifolia Standl.	Accepted		WCSP (in review)
Cissus bigemina Harv.	Synonym		WCSP (in review)
Cissus biglandulosa Zipp. ex Miq.	Unresolved		WCSP (in review)
Cissus bignonioides Schweinf. ex Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus bipinnata Nutt.	Synonym		WCSP (in review)
Cissus biternata (Baker) Chiov.	Synonym		WCSP (in review)
Cissus biternata (Baker) Planch.	Synonym		TRO
Cissus blanchetiana Planch.	Accepted		WCSP (in review)
Cissus blumeana Steud.	Synonym		WCSP (in review)
Cissus blumeana Span.	Accepted		WCSP (in review)
Cissus blumeana Hassk. [Illegitimate]	Synonym		WCSP (in review)
Cissus bodiniana Planch.	Synonym		WCSP (in review)
Cissus boivinii Planch.	Accepted		WCSP (in review)
Cissus bojeri Decne.	Unresolved		TRO
Cissus boliviana Lombardi	Accepted		WCSP (in review)
Cissus bonariensis Hook. & Arn.	Synonym		WCSP (in review)
Cissus bororensis Klotzsch	Synonym		WCSP (in review)
Cissus bosseri Desc.	Accepted		WCSP (in review)
Cissus bowmannii Lawrence	Unresolved		TRO
Cissus brachypoda (F.Muell.) Planch.	Unresolved		WCSP (in review)
Cissus bracteosa Lombardi	Accepted		WCSP (in review)
Cissus braunii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus braziliensis Lawrence	Unresolved		TRO
Cissus brevicaulis Gentry	Synonym		WCSP (in review)
Cissus brevipedunculata Maxim.	Synonym		WCSP (in review)
Cissus brevipes C.V.Morton & Standl.	Accepted		WCSP (in review)
Cissus brieyi De Wild.	Synonym		WCSP (in review)
Cissus bryonifolia Regel	Unresolved		WCSP (in review)
Cissus bryophyllum Mattei [Unplaced]	Unresolved		WCSP (in review)
Cissus buchananii Planch.	Synonym		WCSP (in review)
Cissus buchii Urb.	Synonym		WCSP (in review)
Cissus bukobensis Gilg [Unplaced]	Unresolved		WCSP (in review)
Cissus bullata Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus burchellii (Baker) Planch.	Synonym		WCSP (in review)
Cissus bussei Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus cabui Dewit	Synonym		WCSP (in review)
Cissus cactiformis Gilg	Accepted		WCSP (in review)
Cissus cacuminis Standl.	Accepted		WCSP (in review)
Cissus caesia Afzel.	Accepted		WCSP (in review)
Cissus caillei A.Chev.	Synonym		WCSP (in review)
Cissus calcicola Craib	Accepted		WCSP (in review)
Cissus camiriensis Lombardi	Accepted		WCSP (in review)
Cissus campestris (Baker) Planch.	Accepted		WCSP (in review)
Cissus campestris var. warmingii (Baker) Planch.	Synonym		WCSP (in review)
Cissus canarensis (Dalzell) Planch.	Unresolved		WCSP (in review)
Cissus canescens Lam.	Synonym		WCSP (in review)
Cissus cantoniensis Hook. & Arn.	Unresolved		WCSP (in review)
Cissus capensis Willd.	Unresolved		WCSP (in review)
Cissus capreolata (D.Don) Royle	Unresolved		WCSP (in review)
Cissus cardiophylla Standl.	Synonym		WCSP (in review)
Cissus cardiophylla (F.Muell.) Jackes [Illegitimate]	Synonym		WCSP (in review)
Cissus carnifolia Urb. & Ekman	Synonym		WCSP (in review)
Cissus carnosa Lam.	Synonym		WCSP (in review)
Cissus carrissoi Exell & Mendonça	Accepted		WCSP (in review)
Cissus caustica Tussac	Synonym		WCSP (in review)
Cissus centrali-africana Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus cerasiformis (Teijsm. & Binn.) Planch.	Accepted		WCSP (in review)
Cissus cerifera Teijsm. & Binn.	Unresolved		WCSP (in review)
Cissus cervii Dunaiski	Synonym		WCSP (in review)
Cissus chevalieri Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus chlorantha Gilg [Unplaced]	Unresolved		WCSP (in review)
Cissus chloroleuca (Welw. ex Baker) Planch.	Synonym		WCSP (in review)
Cissus chontalensis (Seem.) Planch.	Synonym		WCSP (in review)
Cissus chrysadenia Gilg	Synonym		WCSP (in review)
Cissus cinerea Lam.	Synonym		WCSP (in review)
Cissus cirrhiflora Eckl. & Zeyh.	Synonym		WCSP (in review)
Cissus cirrhosa (Thunb.) Willd.	Synonym		WCSP (in review)
Cissus cirrhosa var. glabra Harv.	Synonym		TRO
Cissus cirrhosa var. transvaalensis (Szyszyl.) Burtt Davy & Pott-Leendertz	Synonym		TRO
Cissus clematidea (F.Muell.) Planch.	Accepted		WCSP (in review)
Cissus clematidifolia Zipp. ex Span.	Synonym		WCSP (in review)
Cissus clematifolia Walp.	Synonym		WCSP (in review)
Cissus clematitis A. Chev.	Unresolved		TRO
Cissus coccinea (Baker) Mart. ex Planch.	Accepted		WCSP (in review)
Cissus cocciniifolia Schweinf. ex Planch.	Synonym		WCSP (in review)
Cissus cochinchinensis Spreng.	Accepted		WCSP (in review)
Cissus colombiensis Lombardi	Accepted		WCSP (in review)
Cissus comosus Desc.	Accepted		WCSP (in review)
Cissus compressa Blume	Synonym		WCSP (in review)
Cissus compressicaulis Ruiz & Pav.	Synonym		WCSP (in review)
Cissus compressiflora Lombardi	Accepted		WCSP (in review)
Cissus conchigera Ridl.	Accepted		WCSP (in review)
Cissus congesta (Baker) Planch.	Synonym		WCSP (in review)
Cissus connivens Lam.	Synonym		WCSP (in review)
Cissus conradsii Gilg & M.Brandt	Unresolved		WCSP (in review)
Cissus constricta (Baker) Planch. ex A.Chev.	Synonym		WCSP (in review)
Cissus convolvulacea Planch.	Accepted		WCSP (in review)
Cissus corallicola Urb.	Synonym		WCSP (in review)
Cissus cordata Roxb.	Synonym		WCSP (in review)
Cissus cordifolia L.	Synonym		WCSP (in review)
Cissus coriacea DC.	Synonym		WCSP (in review)
Cissus corniculata (Benth.) Planch.	Synonym		WCSP (in review)
Cissus cornifolia (Baker) Planch.	Accepted		WCSP (in review)
Cissus corylifolia (Baker) Planch.	Accepted		WCSP (in review)
Cissus coursii Desc.	Accepted		WCSP (in review)
Cissus craibii Gagnep.	Accepted		WCSP (in review)
Cissus crameriana Schinz	Synonym		WCSP (in review)
Cissus crassifolia (Baker) Planch.	Synonym		WCSP (in review)
Cissus crassiuscula (Baker) Planch.	Synonym		WCSP (in review)
Cissus crenata Vahl	Synonym		WCSP (in review)
Cissus crenata Blume	Synonym		WCSP (in review)
Cissus crinita Planch.	Synonym		WCSP (in review)
Cissus crithmifolia Chiov.	Synonym		WCSP (in review)
Cissus crotalarioides Planch.	Synonym		WCSP (in review)
Cissus crusei Wild & R.B.Drumm.	Accepted		WCSP (in review)
Cissus cucumerifolia Planch.	Accepted		WCSP (in review)
Cissus cucurbitacea Britton [Unplaced]	Unresolved		WCSP (in review)
Cissus cucurbitina Standl.	Accepted		WCSP (in review)
Cissus cuneata Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus cuneifolia Eckl. & Zeyh.	Synonym		WCSP (in review)
Cissus currori Hook.f.	Unresolved		WCSP (in review)
Cissus curvipoda (Baker) Planch.	Synonym		WCSP (in review)
Cissus cuspidata Planch.	Accepted		WCSP (in review)
Cissus cussoniifolia (Planch.) Schweinf. ex Planch.	Synonym		WCSP (in review)
Cissus cussonioides Schinz	Accepted		WCSP (in review)
Cissus cyanocarpa Miq.	Synonym		WCSP (in review)
Cissus cymosa Schumach. & Thonn.	Synonym		WCSP (in review)
Cissus cymosa Steud.	Synonym		WCSP (in review)
Cissus cyphopetala Fresen.	Synonym		WCSP (in review)
Cissus dahomensis A.Chev.	Synonym		WCSP (in review)
Cissus darik Miq.	Accepted		WCSP (in review)
Cissus dasyantha Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus dasypleura C.A.Sm.	Synonym		WCSP (in review)
Cissus davidiana Carrière	Synonym		WCSP (in review)
Cissus dealbata Bedd.	Accepted		WCSP (in review)
Cissus debilis (Baker) Planch.	Accepted		WCSP (in review)
Cissus decidua Lombardi	Accepted		WCSP (in review)
Cissus decurrens Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus deficiens Hook. & Arn.	Synonym		WCSP (in review)
Cissus degraerii Dewit	Unresolved		WCSP (in review)
Cissus delicatula Willems	Synonym		WCSP (in review)
Cissus dembianensis Chiov.	Unresolved		WCSP (in review)
Cissus dendroides Willd. ex Schult. & Schult.f.	Synonym		WCSP (in review)
Cissus denticulata Turcz.	Synonym		WCSP (in review)
Cissus descoingsii Lombardi	Accepted		WCSP (in review)
Cissus desenfansii Dewit	Synonym		WCSP (in review)
Cissus dewevrei De Wild. & T.Durand	Accepted		WCSP (in review)
Cissus dichothrix Miq.	Synonym		TRO
Cissus dichotoma Blume	Accepted		WCSP (in review)
Cissus dichroa Urb.	Synonym		WCSP (in review)
Cissus dichrothrix Miq.	Unresolved		WCSP (in review)
Cissus diepenhorstii Miq. [Unplaced]	Unresolved		WCSP (in review)
Cissus diffusa (Miq.) Amshoff	Synonym		WCSP (in review)
Cissus diffusiflora (Baker) Planch.	Accepted		WCSP (in review)
Cissus digitata (Forssk.) Lam.	Synonym		WCSP (in review)
Cissus digitinervis Ram.Goyena	Synonym		WCSP (in review)
Cissus dimidiata Eckl. & Zeyh. [Unplaced]	Unresolved		WCSP (in review)
Cissus dinklagei Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus dinklagei var. pilosa Desc.	Synonym		WCSP (in review)
Cissus dinteri Schinz	Unresolved		WCSP (in review)
Cissus dioica Roxb. ex DC.	Synonym		WCSP (in review)
Cissus discolor Blume	Synonym		WCSP (in review)
Cissus dissecta Craib	Accepted		WCSP (in review)
Cissus dissecta Urb. & Ekman [Illegitimate]	Synonym		WCSP (in review)
Cissus diversifolia DC. [Unplaced]	Unresolved		WCSP (in review)
Cissus diversifolia Walp. [Illegitimate]	Unresolved		WCSP (in review)
Cissus diversilobata C.A.Sm.	Accepted		WCSP (in review)
Cissus doeringii Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus dolichopa C.A.Sm. [Unplaced]	Unresolved		WCSP (in review)
Cissus dregeana Bernh.	Unresolved		WCSP (in review)
Cissus duarteana Cambess.	Accepted		WCSP (in review)
Cissus duarteana var. sessilifolia (Baker) Planch.	Synonym		WCSP (in review)
Cissus dubia Steud. [Unplaced]	Unresolved		WCSP (in review)
Cissus duboisii Dewit	Accepted		WCSP (in review)
Cissus duparquetii Planch.	Unresolved		WCSP (in review)
Cissus dysocarpa Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus edulis Dalzell	Synonym		WCSP (in review)
Cissus egestosa Werderm.	Accepted		WCSP (in review)
Cissus egregia Gilg	Synonym		WCSP (in review)
Cissus elegans K.Koch	Synonym		WCSP (in review)
Cissus elisabethvilleana Dewit	Synonym		WCSP (in review)
Cissus ellenbeckii Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus elliptica Cham. & Schltdl.	Synonym		WCSP (in review)
Cissus elongata Roxb.	Accepted		WCSP (in review)
Cissus elongata Miq. [Illegitimate]	Synonym		WCSP (in review)
Cissus elongata var. linearifolia (Baker) Hoehne	Synonym		TRO
Cissus elongata subsp. littoralis (Talbot) B.V.Shetty & Par.Singh	Accepted		WCSP (in review)
Cissus emarginella Sw.	Synonym		WCSP (in review)
Cissus eminii Gilg	Synonym		WCSP (in review)
Cissus endresii H.J.Veitch	Synonym		WCSP (in review)
Cissus engleri Gilg	Synonym		WCSP (in review)
Cissus enneaphylla Vell. [Unplaced]	Unresolved		WCSP (in review)
Cissus epidendrica Vell.	Synonym		WCSP (in review)
Cissus epidendron Eichler	Synonym		WCSP (in review)
Cissus erdwendbergii (Planch.) Planch.	Unresolved		WCSP (in review)
Cissus ernstii Suess.	Synonym		WCSP (in review)
Cissus erosa Rich.	Accepted		WCSP (in review)
Cissus erosa subsp. erosa	Accepted		TRO
Cissus erosa var. guaranitica Hassl.	Synonym		TRO
Cissus erosa var. linearifolia (Baker) Hoehne	Synonym		WCSP (in review)
Cissus erosa subsp. linearifolia (Baker) Lombardi	Accepted		WCSP (in review)
Cissus erosa var. salutaris (Kunth) Planch.	Synonym		WCSP (in review)
Cissus erythreae Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus erythrocephala Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus erythrochlora Gilg	Synonym		WCSP (in review)
Cissus erythrodes (Fresen.) Hochst. ex Miq.	Unresolved		WCSP (in review)
Cissus esaso Gilg	Synonym		WCSP (in review)
Cissus evrardii Gagnep.	Accepted		WCSP (in review)
Cissus fanshawei Wild & R.B.Drumm.	Accepted		WCSP (in review)
Cissus farinosa Planch.	Accepted		WCSP (in review)
Cissus faucicola Wild & R.B.Drumm.	Accepted		WCSP (in review)
Cissus feddeana Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus feminea Roxb.	Synonym		WCSP (in review)
Cissus ferruginea Willd. ex Roem. & Schult.	Synonym		WCSP (in review)
Cissus ferruginea E.Mey.	Synonym		WCSP (in review)
Cissus figariana Webb	Synonym		WCSP (in review)
Cissus fischeri Gilg	Synonym		WCSP (in review)
Cissus flamignii De Wild.	Synonym		WCSP (in review)
Cissus flavicans (Baker) Planch.	Synonym		WCSP (in review)
Cissus flaviflora Sprague	Accepted		WCSP (in review)
Cissus flaviflora Ridl.	Synonym		WCSP (in review)
Cissus flavifolia Lombardi	Accepted		WCSP (in review)
Cissus fleckii Schinz	Synonym		WCSP (in review)
Cissus flexuosa Turcz.	Accepted		WCSP (in review)
Cissus floribunda var. boivinii (Planch.) Desc.	Synonym		TRO
Cissus floribuuda (Baker) Planch.	Accepted		WCSP (in review)
Cissus foemina Steud.	Synonym		WCSP (in review)
Cissus foexeana Planch.	Unresolved		TRO
Cissus formosa Standl.	Synonym		WCSP (in review)
Cissus forsteniana (Miq.) Planch.	Accepted		WCSP (in review)
Cissus fragariifolia Bojer	Synonym		WCSP (in review)
Cissus fragariifolia Bojer ex Planch.	Synonym		TRO
Cissus fragilis E.Mey. ex Harv.	Accepted		WCSP (in review)
Cissus frutescens Blanco	Synonym		WCSP (in review)
Cissus fuertesii Urb.	Synonym		WCSP (in review)
Cissus fugosioides Gilg	Synonym		WCSP (in review)
Cissus fuliginea Kunth	Accepted		WCSP (in review)
Cissus furcata Ridl. [Unplaced]	Unresolved		WCSP (in review)
Cissus furcata (Lawson) Gagnep. [Illegitimate]	Synonym		WCSP (in review)
Cissus furcifera Chiov.	Accepted		WCSP (in review)
Cissus fuscoferruginea Kuhlm.	Synonym		WCSP (in review)
Cissus fusifolia Lombardi	Accepted		WCSP (in review)
Cissus gallaensis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus gambianus Desc.	Accepted		WCSP (in review)
Cissus gardneri Thwaites	Accepted		WCSP (in review)
Cissus gastropus Welw. ex Planch.	Unresolved		TRO
Cissus geniculata Blume	Accepted		WCSP (in review)
Cissus gibertii (Baker) Planch.	Synonym		WCSP (in review)
Cissus gigantea Bedd.	Synonym		WCSP (in review)
Cissus gigantea (Bedd.) Planch. [Illegitimate]	Synonym		WCSP (in review)
Cissus gigantophylla Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus gilgiana K. Brandt	Unresolved		TRO
Cissus gilletii De Wild. & T.Durand	Unresolved		WCSP (in review)
Cissus glaberrima Steud.	Synonym		WCSP (in review)
Cissus glaberrima (Wall.) Planch.	Synonym		WCSP (in review)
Cissus glabra E.Mey.	Synonym		WCSP (in review)
Cissus glabrata Blume	Synonym		WCSP (in review)
Cissus glandulifera A. Chev.	Unresolved		TRO
Cissus glandulosa J.F.Gmel.	Accepted		WCSP (in review)
Cissus glandulosa Poir.	Synonym		WCSP (in review)
Cissus glandulosissima Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus glauca Roxb.	Synonym		WCSP (in review)
Cissus glauca Thwaites	Synonym		WCSP (in review)
Cissus glaucophylla Hook.f.	Accepted		WCSP (in review)
Cissus glaucoramea Planch.	Synonym		WCSP (in review)
Cissus glaucotricha Lombardi	Accepted		WCSP (in review)
Cissus glossopetala (Baker) Suess.	Accepted		WCSP (in review)
Cissus glossypifolia Standl.	Unresolved		TRO
Cissus glyptocarpa Thwaites	Accepted		WCSP (in review)
Cissus gonavensis Urb. & Ekman	Synonym		WCSP (in review)
Cissus gongylodes (Baker) Burch. ex Baker	Accepted		WCSP (in review)
Cissus gongylodes (Burch. ex Baker) Planch.	Synonym		TRO
Cissus gongylodes f. alata Planch. ex Chodat & Hassl.	Synonym		WCSP (in review)
Cissus gongylodes var. lobata J.F.Macbr.	Synonym		WCSP (in review)
Cissus gossweileri Exell & Mendonça	Accepted		WCSP (in review)
Cissus gossypiifolia Standl.	Accepted		WCSP (in review)
Cissus goudotii Planch.	Accepted		WCSP (in review)
Cissus goyazensis (Taub.) Suess.	Synonym		WCSP (in review)
Cissus gracilis Guill. & Perr.	Synonym		WCSP (in review)
Cissus gracillima Werderm.	Synonym		WCSP (in review)
Cissus gracillimoides Detoit	Synonym		WCSP (in review)
Cissus grandifolia Warb.	Accepted		WCSP (in review)
Cissus grandistipulata Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus granitica Wild & R.B.Drumm.	Synonym		WCSP (in review)
Cissus granulosa Ruiz & Pav.	Accepted		WCSP (in review)
Cissus grisea (Baker) Planch.	Accepted		WCSP (in review)
Cissus grisebachii Planch.	Synonym		WCSP (in review)
Cissus griseorubra Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus guaranitica Chodat	Synonym		WCSP (in review)
Cissus guerkeana (Büttner) T.Durand & Schinz	Accepted		WCSP (in review)
Cissus guyanensis Desc. [Invalid]	Synonym		WCSP (in review)
Cissus haematantha Miq.	Accepted		WCSP (in review)
Cissus hahniana Ernst	Synonym		WCSP (in review)
Cissus haitiensis Urb. & Ekman	Synonym		WCSP (in review)
Cissus halinianus Ernst	Unresolved		TRO
Cissus hamaderohensis Radcl.-Sm.	Accepted		WCSP (in review)
Cissus hassleriana Chodat	Synonym		WCSP (in review)
Cissus hastata Miq.	Accepted		WCSP (in review)
Cissus haullevilleana De Wild. & T.Durand	Synonym		WCSP (in review)
Cissus haumanii Dewit	Unresolved		WCSP (in review)
Cissus hauptiana Gilg	Synonym		WCSP (in review)
Cissus hebecarpa Hochst. ex Planch.	Unresolved		TRO
Cissus hederacea Pers.	Synonym		WCSP (in review)
Cissus hederacea Royle ex Walp.	Synonym		WCSP (in review)
Cissus hederacea var. hirsuta Pursh	Unresolved		WCSP (in review)
Cissus hederifolia Planch. [Unplaced]	Unresolved		WCSP (in review)
Cissus helenae Buscal. & Muschl.	Synonym		WCSP (in review)
Cissus helleborifolia Zipp. ex Span.	Synonym		WCSP (in review)
Cissus heptaphylla Retz.	Synonym		WCSP (in review)
Cissus hereroensis Schinz	Synonym		WCSP (in review)
Cissus heteroma Turcz.	Accepted		WCSP (in review)
Cissus heterophylla Poir.	Accepted		WCSP (in review)
Cissus heterophylla Link [Illegitimate]	Synonym		WCSP (in review)
Cissus heterophylla Walp. [Illegitimate]	Unresolved		WCSP (in review)
Cissus heterotoma Turcz.	Accepted		WCSP (in review)
Cissus heterotricha Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus hexangularis Thorel ex Planch.	Accepted		WCSP (in review)
Cissus heyneana Planch.	Accepted		WCSP (in review)
Cissus hibiscinus Delile ex Planch.	Unresolved		WCSP (in review)
Cissus hildebrandtii Gilg	Synonym		WCSP (in review)
Cissus himalayana Walp.	Unresolved		WCSP (in review)
Cissus hirsuta Steud.	Synonym		WCSP (in review)
Cissus hirtella Blume	Synonym		WCSP (in review)
Cissus hispida (Eckl. & Zeyh.) Planch.	Unresolved		WCSP (in review)
Cissus hispidiflora C.A.Sm.	Synonym		WCSP (in review)
Cissus hochstetteri (Miq.) Planch.	Synonym		WCSP (in review)
Cissus homblei De Wild.	Synonym		WCSP (in review)
Cissus hookeri Ridl.	Accepted		WCSP (in review)
Cissus hotteana Urb. & Ekman	Synonym		WCSP (in review)
Cissus huillensis Exell & Mendonça	Synonym		WCSP (in review)
Cissus humbertianus Desc.	Accepted		WCSP (in review)
Cissus humbertii Robyns & Lawalrée	Accepted		WCSP (in review)
Cissus humilis (N.E.Br.) Planch.	Synonym		WCSP (in review)
Cissus humilis (N.E. Br.) Burtt Davy	Synonym		TRO
Cissus humulifolia Regel	Unresolved		WCSP (in review)
Cissus humulifolia var. brevipedunculata (Maxim.) Regel	Synonym		TRO
Cissus hydrophora Gaudich. [Unplaced]	Unresolved		WCSP (in review)
Cissus hypargyrea Gilg	Synonym		WCSP (in review)
Cissus hypoglauca A.Gray	Unresolved		WCSP (in review)
Cissus hypoleuca Harv.	Synonym		WCSP (in review)
Cissus ibuensis Hook.f.	Synonym		WCSP (in review)
Cissus imerinensis (Baker) Suess.	Synonym		TRO
Cissus inaequalis Heyne ex Wall.	Unresolved		TRO
Cissus inaequilaterus E. Mey. ex Harv.	Unresolved		TRO
Cissus incarnata Teijsm. & Binn. [Unplaced]	Unresolved		WCSP (in review)
Cissus incisa (Nutt.) Des Moul. ex S.Watson	Accepted		WCSP (in review)
Cissus incisa Des Moul.	Unresolved		TRO
Cissus incisa var. andrewsii E.J.Palmer	Synonym		WCSP (in review)
Cissus indica Rottler	Synonym		WCSP (in review)
Cissus indica J.König ex Steud.	Synonym		WCSP (in review)
Cissus indica Walp.	Unresolved		WCSP (in review)
Cissus indivisa Des Moul. ex S.Watson	Synonym		WCSP (in review)
Cissus integrifolia (Baker) Planch.	Accepted		WCSP (in review)
Cissus intermedia A.Rich.	Accepted		WCSP (in review)
Cissus inundata (Baker) Planch.	Accepted		WCSP (in review)
Cissus inundata var. suberecta (Baker) Planch.	Synonym		WCSP (in review)
Cissus involucrata Spreng.	Unresolved		WCSP (in review)
Cissus ipomeifolia Webb [Unplaced]	Unresolved		WCSP (in review)
Cissus jackii Korth. ex Miq.	Synonym		WCSP (in review)
Cissus jaegeri Gilg & M.Brandt	Unresolved		WCSP (in review)
Cissus japonica (Thunb.) Willd.	Synonym		WCSP (in review)
Cissus japonica var. dentata Makino	Synonym		WCSP (in review)
Cissus japonica var. mollis (Wall. ex M.A. Lawson) Planch.	Synonym		TRO
Cissus jatrophoides (Baker) Planch.	Synonym		WCSP (in review)
Cissus javalensis (Seem.) Planch.	Accepted		WCSP (in review)
Cissus javana DC.	Accepted		WCSP (in review)
Cissus javana var. pubescens C.L.Li	Synonym		WCSP (in review)
Cissus javellensis Lanza	Synonym		WCSP (in review)
Cissus johannis Exell & Mendonça	Synonym		WCSP (in review)
Cissus juncea (Baker) Webb	Synonym		WCSP (in review)
Cissus juttae Dinter & Gilg ex Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus kaessneri Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus kakoma De Wild.	Synonym		WCSP (in review)
Cissus kaniamae Mullend. ex Dewit	Synonym		WCSP (in review)
Cissus kapiriensis Dewit	Unresolved		WCSP (in review)
Cissus karaguensis Gilg	Synonym		WCSP (in review)
Cissus keilii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus keniensis T.C.E.Fr.	Synonym		WCSP (in review)
Cissus kerkvoordei Dewit	Synonym		WCSP (in review)
Cissus kerrii Craib	Accepted		WCSP (in review)
Cissus kilimandscharica Gilg	Unresolved		WCSP (in review)
Cissus kirkiana Planch.	Synonym		WCSP (in review)
Cissus kiwakishiensis Dewit	Synonym		WCSP (in review)
Cissus knittelii Gilg	Synonym		WCSP (in review)
Cissus koehneana F.Hoffm. [Unplaced]	Unresolved		WCSP (in review)
Cissus koordersii (Backer) Amshoff	Accepted		WCSP (in review)
Cissus koualensis A. Chev.	Unresolved		TRO
Cissus kouandeensis A.Chev.	Accepted		WCSP (in review)
Cissus kouilouensis Desc.	Accepted		WCSP (in review)
Cissus koumiensis A. Chev.	Unresolved		TRO
Cissus labrusca (Franch. & Sav.) Kuntze	Synonym		WCSP (in review)
Cissus laciniata (L.) L.	Unresolved		WCSP (in review)
Cissus laevigata Blume	Unresolved		WCSP (in review)
Cissus lageniflora Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus lamarckiana Schult. & Schult.f.	Synonym		WCSP (in review)
Cissus lamprophylla Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus lanceolaria Roxb. [Illegitimate]	Unresolved		WCSP (in review)
Cissus lanceolata Malme	Synonym		WCSP (in review)
Cissus landuk Hassk.	Unresolved		WCSP (in review)
Cissus laneus Desc.	Accepted		WCSP (in review)
Cissus lanigera Harv.	Synonym		WCSP (in review)
Cissus lanyuensis (C.E.Chang) F.Y.Lu	Accepted		WCSP (in review)
Cissus latifolia Lam.	Accepted		WCSP (in review)
Cissus latifolia Vahl	Synonym		WCSP (in review)
Cissus latifolia Descourt.	Synonym		WCSP (in review)
Cissus latifolia Walp.	Unresolved		WCSP (in review)
Cissus laurentii De Wild.	Synonym		WCSP (in review)
Cissus lebrunii Dewit	Accepted		WCSP (in review)
Cissus ledermannii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus ledermannii Lauterb. [Unplaced]	Unresolved		WCSP (in review)
Cissus leemansii Dewit	Accepted		WCSP (in review)
Cissus lehmannii Burret	Unresolved		TRO
Cissus lelyi Hutch.	Synonym		WCSP (in review)
Cissus lemuricus Desc.	Accepted		WCSP (in review)
Cissus lentiana Volkens & Gilg	Synonym		WCSP (in review)
Cissus lenticellata (Baker) Suess.	Accepted		WCSP (in review)
Cissus leonardii Dewit	Accepted		WCSP (in review)
Cissus leonensis Hook.f.	Synonym		WCSP (in review)
Cissus leucadenia Suess.	Synonym		WCSP (in review)
Cissus leucocarpa Blume	Synonym		WCSP (in review)
Cissus leucophlea (Scott-Elliot) Suess.	Accepted		WCSP (in review)
Cissus leucostaphyla Dennst.	Unresolved		WCSP (in review)
Cissus leucotricha Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus libenii Dewit	Synonym		WCSP (in review)
Cissus lindenii André	Synonym		WCSP (in review)
Cissus lineata Warb.	Accepted		WCSP (in review)
Cissus livingstoniana Welw. [Invalid]	Synonym		WCSP (in review)
Cissus loandensis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus lonchiphylla Thwaites	Accepted		WCSP (in review)
Cissus longicymosa Lombardi	Accepted		WCSP (in review)
Cissus longipedunculata Teijsm. & Binn. [Unplaced]	Unresolved		WCSP (in review)
Cissus longzhouensis W.T. Wang	Unresolved		TRO
Cissus lonicerifolia C.A.Sm.	Synonym		WCSP (in review)
Cissus louisii Detoit	Accepted		WCSP (in review)
Cissus lucida Poir.	Synonym		WCSP (in review)
Cissus lutea Exell & Mendonça	Synonym		WCSP (in review)
Cissus luzoniensis (Merr.) C.L.Li	Accepted		WCSP (in review)
Cissus lynesii Dewit	Synonym		WCSP (in review)
Cissus macilenta (Planch.) Urb.	Synonym		WCSP (in review)
Cissus macrantha Werderm.	Synonym		WCSP (in review)
Cissus macrobotrys Turcz.	Accepted		WCSP (in review)
Cissus macrocarpa Dunaiski	Synonym		WCSP (in review)
Cissus macrophylla Jungh.	Accepted		WCSP (in review)
Cissus macropus Welw.	Synonym		WCSP (in review)
Cissus macrothyrsa Gilg	Synonym		WCSP (in review)
Cissus madecassa Desc.	Accepted		WCSP (in review)
Cissus mainkensis De Wild.	Unresolved		WCSP (in review)
Cissus mandaianum Lawrence	Unresolved		TRO
Cissus mannii (Baker) Planch.	Synonym		WCSP (in review)
Cissus mappia Lam.	Synonym		WCSP (in review)
Cissus marajoara Huber	Unresolved		TRO
Cissus maranguensis Gilg	Synonym		WCSP (in review)
Cissus marcanii Craib	Accepted		WCSP (in review)
Cissus marionae Exell & Mendonça	Synonym		WCSP (in review)
Cissus marlothii Dinter & Gilg	Synonym		WCSP (in review)
Cissus martiniana Woodson & Seibert	Synonym		WCSP (in review)
Cissus marunguensis Dewit	Synonym		WCSP (in review)
Cissus masukuensis (Baker) Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus matudae Lundell	Synonym		WCSP (in review)
Cissus mauritiana Desc.	Accepted		WCSP (in review)
Cissus mayoensis Gentry	Synonym		WCSP (in review)
Cissus mayombensis Gilg ex Durand & Schinz	Unresolved		TRO
Cissus megacarpa Lauterb.	Accepted		WCSP (in review)
Cissus meliifolia Planch.	Unresolved		WCSP (in review)
Cissus membranacea Hook.f.	Synonym		WCSP (in review)
Cissus menyanthifolia A. Chev.	Unresolved		TRO
Cissus mexicana Moç. & Sessé ex DC.	Accepted		WCSP (in review)
Cissus mexicana auct. [Unplaced]	Unresolved		WCSP (in review)
Cissus mexicana Mattei [Illegitimate]	Synonym		WCSP (in review)
Cissus meyeri-johannis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus michelii Dewit	Synonym		WCSP (in review)
Cissus micradenia Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus micrantha Poir.	Synonym		WCSP (in review)
Cissus micrantha Willd. ex Roem. & Schult.	Synonym		WCSP (in review)
Cissus micrantha var. tripartita Urb. & Ekman	Synonym		WCSP (in review)
Cissus microcarpa Vahl	Accepted		WCSP (in review)
Cissus microdiptera (Baker) Planch.	Synonym		WCSP (in review)
Cissus microdonta (Baker) Planch.	Accepted		WCSP (in review)
Cissus microphylla Turcz.	Unresolved		WCSP (in review)
Cissus miegei Tchoumé	Accepted		WCSP (in review)
Cissus migeodii Verdc.	Accepted		WCSP (in review)
Cissus migiurtinora Chiov.	Synonym		WCSP (in review)
Cissus migiurtinorum Chiov.	Synonym		TRO
Cissus mildbraedii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus milnei Verdc.	Accepted		WCSP (in review)
Cissus miqueliana Baker	Unresolved		TRO
Cissus mirabilis (Urb. & Ekman) Lombardi	Accepted		WCSP (in review)
Cissus modeccoides Planch.	Accepted		WCSP (in review)
Cissus modeccoides var. kerrii Craib	Synonym		TRO
Cissus modeccoides var. subintegra Gagnep.	Synonym		TRO
Cissus modesta (Miq.) Amshoff	Synonym		WCSP (in review)
Cissus mollis Steud. ex Baker	Synonym		WCSP (in review)
Cissus mollis Steud. ex Planch.	Synonym		TRO
Cissus morifolia Planch.	Accepted		WCSP (in review)
Cissus morifolia (Baker) Suess.	Synonym		TRO
Cissus mornicola Urb. & Ekman	Synonym		WCSP (in review)
Cissus mucronata Hook. & Arn. ex Steud.	Synonym		WCSP (in review)
Cissus muelleri Planch.	Synonym		WCSP (in review)
Cissus mugansa De Wild.	Synonym		WCSP (in review)
Cissus muhuluensis Mildbr.	Synonym		WCSP (in review)
Cissus multibracteata Zipp. ex Miq.	Synonym		WCSP (in review)
Cissus multiflora Willd. ex Roem. & Schult.	Synonym		WCSP (in review)
Cissus muricata Dalzell & Gibson	Unresolved		WCSP (in review)
Cissus mutabilis Blume	Synonym		WCSP (in review)
Cissus myriantha Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus nanella Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus napaulensis DC.	Unresolved		WCSP (in review)
Cissus narinensis Lombardi	Accepted		WCSP (in review)
Cissus natalensis Bernh. ex Krauss	Synonym		WCSP (in review)
Cissus natalitia (Szyszyl.) Codd	Synonym		WCSP (in review)
Cissus neei Croat	Accepted		WCSP (in review)
Cissus neghelliensis Lanza	Synonym		WCSP (in review)
Cissus neilgherrensis Wight	Synonym		WCSP (in review)
Cissus nepalensis Steud.	Unresolved		TRO
Cissus nervosa Planch.	Accepted		WCSP (in review)
Cissus nicaraguensis Lombardi	Accepted		WCSP (in review)
Cissus nieriensis T.C.E.Fr.	Synonym		WCSP (in review)
Cissus nigroglandulosa Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus nigropilosa Dewit	Accepted		WCSP (in review)
Cissus nilagirica Miq.	Unresolved		WCSP (in review)
Cissus nipensis Urb.	Synonym		WCSP (in review)
Cissus nitida Vell.	Synonym		WCSP (in review)
Cissus nivea Hochst. ex Schweinf.	Synonym		WCSP (in review)
Cissus njegerre Gilg	Synonym		WCSP (in review)
Cissus nobilis Kuhlm.	Accepted		WCSP (in review)
Cissus nodiglandulosa T.C.E.Fr.	Synonym		WCSP (in review)
Cissus nodosa Blume	Accepted		WCSP (in review)
Cissus novemfolia (Wall. ex Lawson) Planch.	Accepted		WCSP (in review)
Cissus novogranatensis (Moldenke) Suess. [Unplaced]	Unresolved		WCSP (in review)
Cissus nymphaeifolia (Welw. ex Baker) Planch.	Accepted		WCSP (in review)
Cissus oaxacana Lundell	Synonym		WCSP (in review)
Cissus obliqua Ruiz & Pav.	Accepted		WCSP (in review)
Cissus obliqua Sessé & Moç. [Illegitimate]	Synonym		WCSP (in review)
Cissus oblonga (Benth.) Planch.	Accepted		WCSP (in review)
Cissus oblongifolia Merr.	Accepted		WCSP (in review)
Cissus oblongolanceolata (Krug & Urb.) Urb.	Synonym		WCSP (in review)
Cissus obovata Vahl	Accepted		WCSP (in review)
Cissus obovato-oblonga De Wild.	Synonym		WCSP (in review)
Cissus obscura DC.	Synonym		WCSP (in review)
Cissus obtecta Wall.	Unresolved		TRO
Cissus obtusata Benth.	Synonym		WCSP (in review)
Cissus obtusifolia Lam.	Synonym		WCSP (in review)
Cissus ochracea Teijsm. & Binn. [Unplaced]	Unresolved		WCSP (in review)
Cissus odondo Gilg & M.Brandt [Unplaced]	Unresolved		WCSP (in review)
Cissus odontadenia Gilg	Synonym		WCSP (in review)
Cissus officinalis Klotzsch	Synonym		WCSP (in review)
Cissus okoutensis R.P.Berhaut [Unplaced]	Unresolved		WCSP (in review)
Cissus oleracea Bolus	Synonym		WCSP (in review)
Cissus oligocarpa (H.Lev. & Vaniot) L.H.Bailey	Synonym		WCSP (in review)
Cissus oliveri (Engl.) Gilg ex Engl.	Accepted		WCSP (in review)
Cissus oliveriana Gilg	Synonym		WCSP (in review)
Cissus oliviformis Planch.	Synonym		WCSP (in review)
Cissus omburensis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus opaca F.Muell.	Synonym		WCSP (in review)
Cissus oreophila Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus orientalis Lam.	Synonym		WCSP (in review)
Cissus orientalis A.Gray	Unresolved		WCSP (in review)
Cissus ornata A.Chev.	Synonym		WCSP (in review)
Cissus ornatus A. Chev. ex Hutch. & Dalziel	Synonym		TRO
Cissus orondo Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus osaensis Lombardi	Accepted		WCSP (in review)
Cissus ovata Rich. [Illegitimate]	Synonym		WCSP (in review)
Cissus ovata Lam.	Synonym		WCSP (in review)
Cissus overlaetii Detoit	Synonym		WCSP (in review)
Cissus oxyodon Planch.	Synonym		WCSP (in review)
Cissus oxyodonta (Baker) Desc.	Accepted		WCSP (in review)
Cissus oxyphylla (A.Rich.) Chiov.	Synonym		WCSP (in review)
Cissus pachyantha Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus pachyrrhachis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus pallida Salisb. [Illegitimate]	Synonym		WCSP (in review)
Cissus pallida (Wight & Arn.) Steud.	Synonym		WCSP (in review)
Cissus pallida (Wight & Arn.) Planch.	Accepted		TRO
Cissus pallidiflora Lundell	Synonym		WCSP (in review)
Cissus palmata Poir.	Accepted		WCSP (in review)
Cissus palmata var. balansaeana Planch.	Synonym		WCSP (in review)
Cissus palmatifida (Baker) Planch.	Accepted		WCSP (in review)
Cissus palmatifolia Wiggins & Rollins	Unresolved		TRO
Cissus paniculata B.Heyne [Invalid]	Synonym		WCSP (in review)
Cissus paniculata (Balf.f.) Planch.	Accepted		WCSP (in review)
Cissus pannosa (Baker) Planch.	Synonym		WCSP (in review)
Cissus papillosa Blume	Unresolved		WCSP (in review)
Cissus paraensis Lombardi	Accepted		WCSP (in review)
Cissus paraguayensis Planch.	Synonym		WCSP (in review)
Cissus parciflora Urb. & Ekman	Synonym		WCSP (in review)
Cissus parkeri (Baker) Planch.	Synonym		WCSP (in review)
Cissus parviflora Roem. & Schult.	Accepted		WCSP (in review)
Cissus parvifolia Salisb. [Illegitimate]	Synonym		WCSP (in review)
Cissus passargei Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus patellicalyx Lombardi	Accepted		WCSP (in review)
Cissus paucidentata Klotzsch	Synonym		WCSP (in review)
Cissus paucidentata Ernst [Illegitimate]	Synonym		WCSP (in review)
Cissus pauciflora DC.	Unresolved		WCSP (in review)
Cissus pauciflora Eckl. & Zeyh. ex Szyszyl.	Unresolved		WCSP (in review)
Cissus paucinervia Lombardi	Accepted		WCSP (in review)
Cissus pauli-guilielmi Schweinf.	Synonym		WCSP (in review)
Cissus paullinifolia Vell.	Accepted		WCSP (in review)
Cissus pedata Lam.	Synonym		WCSP (in review)
Cissus pedata Náves ex Fern.-Vill. [Illegitimate]	Synonym		WCSP (in review)
Cissus pedatifida Hoehne	Synonym		WCSP (in review)
Cissus peltata Turcz.	Accepted		WCSP (in review)
Cissus pendula (Welw. ex Baker) Planch.	Synonym		WCSP (in review)
Cissus penduloides Dewit	Synonym		WCSP (in review)
Cissus penninervis (F.Muell.) Planch.	Synonym		WCSP (in review)
Cissus pentaclada Jackes	Accepted		WCSP (in review)
Cissus pentagona Roxb.	Accepted		WCSP (in review)
Cissus pentandra Willd. ex Schult. & Schult.f.	Synonym		WCSP (in review)
Cissus pentaphylla Willd. [Unplaced]	Unresolved		WCSP (in review)
Cissus perforata Louis ex Dewit	Synonym		WCSP (in review)
Cissus pergamacea Blume	Synonym		WCSP (in review)
Cissus perrieri Desc.	Accepted		WCSP (in review)
Cissus peruviana Lombardi	Accepted		WCSP (in review)
Cissus petiolata Hook.f.	Accepted		WCSP (in review)
Cissus phyllomicron Chiov.	Synonym		WCSP (in review)
Cissus phyllomicron f. eglandulosa Chiov.	Synonym		TRO
Cissus phymatocarpa Masinde & L.E.Newton	Accepted		WCSP (in review)
Cissus picardae Urb.	Accepted		WCSP (in review)
Cissus pileatus Desc.	Accepted		WCSP (in review)
Cissus pingtungensis S.S.Ying	Accepted		WCSP (in review)
Cissus pinnata Sol. [Unplaced]	Unresolved		WCSP (in review)
Cissus pinnatifolia Lombardi	Accepted		WCSP (in review)
Cissus pisicarpa (Planch.) Zipp. ex Planch.	Synonym		WCSP (in review)
Cissus pisocarpa Zipp. ex Miq.	Unresolved		WCSP (in review)
Cissus planchoniana Gilg	Accepted		WCSP (in review)
Cissus planchonii Gagnep.	Accepted		WCSP (in review)
Cissus platanifolia Carrière	Accepted		WCSP (in review)
Cissus plumeri Planch.	Synonym		WCSP (in review)
Cissus pobeguini A.Chev.	Accepted		WCSP (in review)
Cissus pohlii (Baker) Planch.	Synonym		WCSP (in review)
Cissus poilanei Gagnep.	Accepted		WCSP (in review)
Cissus politus Desc.	Accepted		WCSP (in review)
Cissus polyantha Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus polycymosa De Wild.	Synonym		WCSP (in review)
Cissus polydactyla (Miq.) Planch.	Accepted		WCSP (in review)
Cissus populnea Guill. & Perr.	Accepted		WCSP (in review)
Cissus porphyrophylla Lindl.	Synonym		WCSP (in review)
Cissus praecox Schweinf. ex Planch.	Unresolved		TRO
Cissus princeae Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus producta Afzel.	Accepted		WCSP (in review)
Cissus prostrata De Wild. & T.Durand	Synonym		WCSP (in review)
Cissus pruinata Weinm.	Synonym		WCSP (in review)
Cissus pruinosa Desf. [Unplaced]	Unresolved		WCSP (in review)
Cissus pruinosa Herzog [Illegitimate]	Synonym		WCSP (in review)
Cissus prunifera Desc.	Accepted		WCSP (in review)
Cissus pruriens (Welw. ex Baker) Planch.	Synonym		WCSP (in review)
Cissus psammophila Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus × pseudocaesia Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus pseudofuliginea Lombardi	Accepted		WCSP (in review)
Cissus pseudoguerkeana Verdc.	Accepted		WCSP (in review)
Cissus pseudomanikensis Dewit	Synonym		WCSP (in review)
Cissus pseudonivea Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus pseudonjegerre Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus pseudopolyantha Mildbr.	Accepted		WCSP (in review)
Cissus pseudorhodesiae Dewit	Synonym		WCSP (in review)
Cissus pseudosicyoides Croat	Synonym		WCSP (in review)
Cissus pseudoupembaensis Dewit	Synonym		WCSP (in review)
Cissus pseudoverticillata Lombardi	Accepted		WCSP (in review)
Cissus psoralifolia (F.Muell.) Planch.	Accepted		WCSP (in review)
Cissus pteroclada Hayata	Accepted		WCSP (in review)
Cissus puberula C.A.Sm.	Synonym		WCSP (in review)
Cissus pubescens Kunth	Synonym		WCSP (in review)
Cissus pubescens Walp. [Unplaced]	Unresolved		WCSP (in review)
Cissus pubiflora Miq.	Unresolved		WCSP (in review)
Cissus pubinervis Blume	Accepted		WCSP (in review)
Cissus pulcherrima Vell.	Accepted		WCSP (in review)
Cissus puncticulosa Rich.	Synonym		WCSP (in review)
Cissus purpurascens Zipp. ex Miq.	Synonym		WCSP (in review)
Cissus purpurea Roxb. ex Steud.	Synonym		WCSP (in review)
Cissus pynaertii De Wild.	Accepted		WCSP (in review)
Cissus pyrrhodasys Miq.	Synonym		WCSP (in review)
Cissus quadrangula L.	Synonym		WCSP (in review)
Cissus quadrangula Salisb.	Synonym		WCSP (in review)
Cissus quadrangularis L.	Accepted		WCSP (in review)
Cissus quadrangularis var. pubescens Dewit	Accepted		WCSP (in review)
Cissus quadrialata Kunth	Synonym		WCSP (in review)
Cissus quadricornuta (Miq.) Hochr.	Accepted		WCSP (in review)
Cissus quarrei Dewit	Accepted		WCSP (in review)
Cissus quinata Dryand.	Synonym		WCSP (in review)
Cissus quinquangularis Chiov.	Accepted		WCSP (in review)
Cissus quinquefolia Sol. ex Sims [Illegitimate]	Synonym		WCSP (in review)
Cissus quinquefolia Desf.	Synonym		WCSP (in review)
Cissus quinquefolia (L.) Borkh.	Synonym		TRO
Cissus rafflesiae (Miq.) Korth. ex Planch. [Invalid]	Synonym		WCSP (in review)
Cissus reedii Detoit	Synonym		WCSP (in review)
Cissus reniformis Domin	Accepted		WCSP (in review)
Cissus repanda (Wight & Arn.) Vahl	Accepted		WCSP (in review)
Cissus repanda var. repanda	Accepted		TRO
Cissus repanda var. subferruginea (Merr. & Chun) C.L.Li	Synonym		WCSP (in review)
Cissus repens Lam.	Accepted		WCSP (in review)
Cissus repens Thwaites [Illegitimate]	Synonym		WCSP (in review)
Cissus repens var. luzoniensis Merr.	Synonym		WCSP (in review)
Cissus repens var. sinensis Hand.-Mazz.	Synonym		TRO
Cissus reticulata Willd. ex Roem. & Schult.	Synonym		WCSP (in review)
Cissus reticulata Thwaites	Unresolved		WCSP (in review)
Cissus reticulata Blume ex Planch	Accepted		WCSP (in review)
Cissus retivenia Planch.	Accepted		WCSP (in review)
Cissus rhamnoidea Planch.	Accepted		WCSP (in review)
Cissus rheifolia Planch.	Accepted		WCSP (in review)
Cissus rhodesiae Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus rhodocarpa Blume	Synonym		WCSP (in review)
Cissus rhodotricha (Baker) Desc.	Accepted		WCSP (in review)
Cissus rhombifolia Vahl	Synonym		WCSP (in review)
Cissus rhombifolia var. glabrescens Planch.	Synonym		WCSP (in review)
Cissus rhomboidea E.Mey. ex Harv.	Unresolved		WCSP (in review)
Cissus ringoetii De Wild.	Unresolved		WCSP (in review)
Cissus riparia Lawson	Unresolved		TRO
Cissus rivae Gilg	Synonym		WCSP (in review)
Cissus robinsonii (Ridl.) Craib	Accepted		WCSP (in review)
Cissus robynsii Dewit	Synonym		WCSP (in review)
Cissus rocheana Planch. [Unplaced]	Unresolved		WCSP (in review)
Cissus rondoensis Verdc.	Accepted		WCSP (in review)
Cissus rosea (Royle) Walp.	Synonym		WCSP (in review)
Cissus rostrata (Miq.) Korth. ex Planch.	Accepted		WCSP (in review)
Cissus rotundata B.Heyne ex Wall. [Invalid]	Synonym		WCSP (in review)
Cissus rotundifolia Vahl	Accepted		WCSP (in review)
Cissus rotundifolia Blume [Illegitimate]	Synonym		WCSP (in review)
Cissus rowlandii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus roxburghii Planch.	Synonym		WCSP (in review)
Cissus roylei Planch.	Unresolved		WCSP (in review)
Cissus ruacanensis Exell & Mendonça	Synonym		WCSP (in review)
Cissus rubescens Blanco	Synonym		WCSP (in review)
Cissus rubifolia Planch.	Synonym		WCSP (in review)
Cissus rubiginosa (Welw. ex Baker) Planch.	Accepted		WCSP (in review)
Cissus rubricaulis Carrière	Accepted		WCSP (in review)
Cissus rubrinervia Alain	Synonym		WCSP (in review)
Cissus rubromarginata Gilg & M.Brandt	Unresolved		WCSP (in review)
Cissus rubropilosa Lombardi	Accepted		WCSP (in review)
Cissus rubrosetosa Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus rufescens Guill. & Perr.	Accepted		WCSP (in review)
Cissus rufescens var. doeringii (Gilg & Brandt) Desc.	Synonym		WCSP (in review)
Cissus ruginosicarpus Desc.	Accepted		WCSP (in review)
Cissus rugosa DC.	Synonym		WCSP (in review)
Cissus rupicola Gilg & M.Brandt	Unresolved		WCSP (in review)
Cissus rupicola Urb. [Illegitimate]	Synonym		WCSP (in review)
Cissus ruspolii Gilg	Accepted		WCSP (in review)
Cissus sagittifer Desc.	Accepted		WCSP (in review)
Cissus salutaris Kunth	Synonym		WCSP (in review)
Cissus sandersonii Harv.	Synonym		WCSP (in review)
Cissus sandersonii var. transvaalensis (Szyszyl.) C.A. Sm.	Synonym		TRO
Cissus saponaria (Benth.) Planch.	Accepted		WCSP (in review)
Cissus sarcocephala (Planch.) Schweinf. ex Planch.	Synonym		WCSP (in review)
Cissus sarcospathula Chiov.	Synonym		WCSP (in review)
Cissus saxicola Gilg & R.E.Fr.	Unresolved		WCSP (in review)
Cissus scabra (Baker) Planch.	Unresolved		WCSP (in review)
Cissus scabricaulis (Baker) Planch.	Synonym		WCSP (in review)
Cissus scariosa Blume	Synonym		WCSP (in review)
Cissus scarlatina Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus schimperi Hochst. ex A.Rich.	Synonym		WCSP (in review)
Cissus schimperi Hochst. ex Planch.	Unresolved		WCSP (in review)
Cissus schlechteri Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus schliebenii Mildbr.	Synonym		WCSP (in review)
Cissus schmitzii Dewit	Accepted		WCSP (in review)
Cissus schumanniana Gilg	Accepted		WCSP (in review)
Cissus schwackei Gilg & M. Brandt	Unresolved		TRO
Cissus schweinfurthii Planch.	Synonym		WCSP (in review)
Cissus sciaphila Gilg	Accepted		WCSP (in review)
Cissus segmentata C.A.Sm.	Synonym		WCSP (in review)
Cissus seitziana Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus selloana (Baker) Planch.	Synonym		WCSP (in review)
Cissus selloana var. glabra Planch.	Synonym		WCSP (in review)
Cissus semicardata Wall.	Synonym		WCSP (in review)
Cissus semiglabra Harv.	Unresolved		WCSP (in review)
Cissus semivirgata Planch.	Synonym		WCSP (in review)
Cissus senegalensis Lavie	Accepted		WCSP (in review)
Cissus serianiifolia (Bunge) Walp.	Synonym		TRO
Cissus sericea Eckl. & Zeyh. [Unplaced]	Unresolved		WCSP (in review)
Cissus serjaniifolia Walp. [Unplaced]	Unresolved		WCSP (in review)
Cissus serjanioides Planch.	Synonym		WCSP (in review)
Cissus serpens Hochst. ex A.Rich.	Synonym		WCSP (in review)
Cissus serratifolia Rottler ex Wight	Synonym		WCSP (in review)
Cissus serratifolia L.O.Williams [Illegitimate]	Synonym		WCSP (in review)
Cissus serroniana (Glaz.) Lombardi	Accepted		WCSP (in review)
Cissus serrulata Roxb.	Unresolved		WCSP (in review)
Cissus serrulatifolia L.O.Williams	Accepted		WCSP (in review)
Cissus sesquipedalis Gilg	Synonym		WCSP (in review)
Cissus sessilifolia Dewit	Synonym		WCSP (in review)
Cissus sessilis Amshoff	Synonym		WCSP (in review)
Cissus setosa Roxb.	Synonym		WCSP (in review)
Cissus setulosa Diels & Gilg	Accepted		WCSP (in review)
Cissus sexangularis Ernst	Synonym		WCSP (in review)
Cissus siamica Planch.	Accepted		WCSP (in review)
Cissus sicyoides L.	Synonym		WCSP (in review)
Cissus sicyoides Klein ex Steud. [Invalid]	Synonym		WCSP (in review)
Cissus sicyoides f. apensis Chodat & Hassl.	Synonym		WCSP (in review)
Cissus sicyoides f. aristolochiifolia Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. balansae Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. canescens (Lam.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. compressicaulis (Ruíz & Pav.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. floridana Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. foliolata Chodat & Hassl.	Synonym		WCSP (in review)
Cissus sicyoides var. gardneri (Baker) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. jacquinii Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. lobata Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. marmorata Chodat & Hassl.	Synonym		WCSP (in review)
Cissus sicyoides f. morifolia Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. oblongolanceolata Krug & Urb.	Synonym		WCSP (in review)
Cissus sicyoides f. ovata (Lam.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. ovato-oblonga Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. oxyodon (Planch.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides var. palmata Hassl.	Synonym		WCSP (in review)
Cissus sicyoides f. paraguayensis Chodat & Hassl.	Synonym		WCSP (in review)
Cissus sicyoides f. tamoides (Cambess.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. tiliacea (Kunth) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. tinctoria (Mart.) Planch.	Synonym		WCSP (in review)
Cissus sicyoides f. umbrosa (Kunth) Planch.	Synonym		WCSP (in review)
Cissus silvestris Tchoumé	Accepted		WCSP (in review)
Cissus simplex Blanco	Synonym		WCSP (in review)
Cissus simsiana Roem. & Schult.	Accepted		WCSP (in review)
Cissus simsiana var. pubescens Planch.	Synonym		WCSP (in review)
Cissus simulans C.A.Sm.	Synonym		WCSP (in review)
Cissus sinaloae Standl.	Synonym		WCSP (in review)
Cissus smilacina Kunth	Synonym		WCSP (in review)
Cissus smithiana (Baker) Planch.	Accepted		WCSP (in review)
Cissus sokodensis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus somaliensis Gilg	Synonym		WCSP (in review)
Cissus spectabilis Hochst. ex Planch.	Accepted		WCSP (in review)
Cissus spicifera Griff.	Synonym		WCSP (in review)
Cissus spinosa Cambess.	Accepted		WCSP (in review)
Cissus spinosopilosa Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus stans Pers. [Illegitimate]	Synonym		WCSP (in review)
Cissus stefaniniana Chiov.	Unresolved		WCSP (in review)
Cissus stenoloba (Welw. ex Baker) Planch.	Synonym		WCSP (in review)
Cissus stenopoda Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus sterculiifolia (F.Muell. ex Benth.) Planch.	Synonym		WCSP (in review)
Cissus stipulacea (Baker) Planch.	Synonym		WCSP (in review)
Cissus stipulaceoides Dewit	Synonym		WCSP (in review)
Cissus stipulata Vell.	Accepted		WCSP (in review)
Cissus striata Ruiz & Pav.	Accepted		WCSP (in review)
Cissus striata var. argentina Suess.	Synonym		WCSP (in review)
Cissus striata subsp. argentina (Suess.) Lombardi	Accepted		WCSP (in review)
Cissus striata var. chilensis Suess.	Synonym		WCSP (in review)
Cissus striata var. deficiens (Hook. & Arn.) Reiche	Synonym		WCSP (in review)
Cissus strigosa Detoit	Synonym		WCSP (in review)
Cissus stuhlmannii Gilg [Unplaced]	Unresolved		WCSP (in review)
Cissus subaphylla (Balf.f.) Planch.	Accepted		WCSP (in review)
Cissus subavenia Planch.	Synonym		WCSP (in review)
Cissus subciliata (Baker) Planch.	Synonym		WCSP (in review)
Cissus subdiaphana Steud.	Synonym		WCSP (in review)
Cissus suberecta Bedd.	Accepted		WCSP (in review)
Cissus suberecta (Baker) Malme [Illegitimate]	Synonym		WCSP (in review)
Cissus suberosa (Welw. ex Baker) Planch.	Synonym		WCSP (in review)
Cissus suberosa Elmer [Unplaced]	Unresolved		WCSP (in review)
Cissus subglaucescens Planch.	Synonym		WCSP (in review)
Cissus subhastata Gagnep.	Accepted		WCSP (in review)
Cissus subramanyamii B.V.Shetty & Par.Singh	Accepted		WCSP (in review)
Cissus subrhomboidea (Baker) Planch.	Accepted		WCSP (in review)
Cissus subtetragona Planch.	Accepted		WCSP (in review)
Cissus subtruncata Rose	Synonym		WCSP (in review)
Cissus succulenta (Galpin) Burtt-Davy	Synonym		WCSP (in review)
Cissus sue Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus sulcata C.A.Sm.	Synonym		WCSP (in review)
Cissus sulcicaulis (Baker) Planch.	Accepted		WCSP (in review)
Cissus sulcicaulis var. alata (Jacq.) Hassl.	Synonym		WCSP (in review)
Cissus sulfurosus Desc.	Accepted		WCSP (in review)
Cissus sumatrana Latiff	Accepted		WCSP (in review)
Cissus surinamensis Desc.	Accepted		WCSP (in review)
Cissus sylvatica Cambess.	Synonym		WCSP (in review)
Cissus sylvicola Masinde & L.E.Newton	Accepted		WCSP (in review)
Cissus tamoides Cambess.	Synonym		WCSP (in review)
Cissus taschdjianicus Chiov.	Synonym		WCSP (in review)
Cissus tenuicaulis Hook.f.	Synonym		WCSP (in review)
Cissus tenuifolia (Wight & Arn.) B.Heyne ex Planch.	Synonym		WCSP (in review)
Cissus tenuipes Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus tenuissima Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus teretecaulis Larrañaga [Unplaced]	Unresolved		WCSP (in review)
Cissus termetophila De Wild.	Unresolved		WCSP (in review)
Cissus ternata (Forssk.) J.F.Gmel.	Synonym		WCSP (in review)
Cissus ternata (Baker) Planch. [Illegitimate]	Unresolved		WCSP (in review)
Cissus ternatomultifida Chiov.	Synonym		WCSP (in review)
Cissus tetragona Harv.	Synonym		WCSP (in review)
Cissus tetraptera Hook.f.	Synonym		WCSP (in review)
Cissus teysmannii Miq.	Accepted		WCSP (in review)
Cissus thalictrifolia Planch.	Accepted		WCSP (in review)
Cissus thomasii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus thomsonii (M.A.Lawson) Planch.	Unresolved		WCSP (in review)
Cissus thunbergii Eckl. & Zeyh. [Illegitimate]	Unresolved		WCSP (in review)
Cissus thunbergii Siebold & Zucc.	Synonym		WCSP (in review)
Cissus thwaitesii Planch.	Synonym		WCSP (in review)
Cissus thyrsiflora Blume	Synonym		WCSP (in review)
Cissus tiliacea Kunth	Accepted		WCSP (in review)
Cissus tiliifolia Planch. [Illegitimate]	Synonym		WCSP (in review)
Cissus tiliiformis Desc.	Accepted		WCSP (in review)
Cissus timoriensis DC.	Accepted		WCSP (in review)
Cissus tinctoria Arruda [Unplaced]	Unresolved		WCSP (in review)
Cissus tinctoria Mart.	Accepted		WCSP (in review)
Cissus tinctoria Larrañaga [Unplaced]	Unresolved		WCSP (in review)
Cissus tomentosa Lam.	Synonym		WCSP (in review)
Cissus torreana Britton & P.Wilson	Synonym		WCSP (in review)
Cissus touraensis A.Chev.	Accepted		WCSP (in review)
Cissus trachyphylla Werderm.	Synonym		WCSP (in review)
Cissus trianae Planch.	Accepted		WCSP (in review)
Cissus trianae var. martiniana (Woodson & Seibert) Steyerm.	Synonym		WCSP (in review)
Cissus triandra Schumach. & Thonn.	Synonym		WCSP (in review)
Cissus triangularis A.Chev.	Synonym		WCSP (in review)
Cissus tricuspidata Siebold & Zucc.	Synonym		WCSP (in review)
Cissus tricuspis (Baker) Burch. ex Planch.	Synonym		WCSP (in review)
Cissus tridentata Eckl. & Zeyh.	Synonym		WCSP (in review)
Cissus trifolia K.Schum.	Synonym		WCSP (in review)
Cissus trifoliata (L.) L.	Accepted		WCSP (in review)
Cissus trifoliata Lour. [Illegitimate]	Synonym		WCSP (in review)
Cissus trifoliata var. caustica (Tussac) Griseb.	Synonym		WCSP (in review)
Cissus trifoliata var. intermedia Griseb.	Synonym		WCSP (in review)
Cissus trifoliata var. obovata Griseb.	Synonym		WCSP (in review)
Cissus trigona Willd. ex Schult. & Schult.f.	Accepted		WCSP (in review)
Cissus triloba (Lour.) Merr.	Accepted		WCSP (in review)
Cissus trilobata Lam.	Synonym		WCSP (in review)
Cissus trinervis De Wild.	Synonym		WCSP (in review)
Cissus triternata Miq.	Accepted		WCSP (in review)
Cissus triternata (Baker) Suess.	Unresolved		WCSP (in review)
Cissus triumfettoides Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus trothae Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus truncata Lawson	Synonym		WCSP (in review)
Cissus tuberculata Jacq.	Synonym		WCSP (in review)
Cissus tuberculata Blume [Illegitimate]	Synonym		WCSP (in review)
Cissus tuberosa Moç. & Sessé ex DC.	Synonym		WCSP (in review)
Cissus tucumana Suess.	Synonym		WCSP (in review)
Cissus tweedieana Hieron. [Unplaced]	Unresolved		WCSP (in review)
Cissus tweedieana (Baker) Planch.	Accepted		WCSP (in review)
Cissus ukerewensis Gilg	Synonym		WCSP (in review)
Cissus ulmifolia (Baker) Planch.	Accepted		WCSP (in review)
Cissus umbellata Lour.	Accepted		WCSP (in review)
Cissus umbrosa Kunth	Synonym		WCSP (in review)
Cissus unguiformifolius C.A.Sm.	Synonym		WCSP (in review)
Cissus unifoliata Harv.	Unresolved		WCSP (in review)
Cissus upembaensis Dewit	Synonym		WCSP (in review)
Cissus urbanii Suess.	Synonym		WCSP (in review)
Cissus uribei Dugand	Synonym		WCSP (in review)
Cissus urophylla Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus ursina Lombardi	Accepted		WCSP (in review)
Cissus urupaensis Hoehne	Synonym		WCSP (in review)
Cissus usambarensis Gilg ex Engl.	Synonym		WCSP (in review)
Cissus uter Exell & Mendonça	Synonym		WCSP (in review)
Cissus uvifer Afzel.	Accepted		WCSP (in review)
Cissus vagans Carrière	Synonym		WCSP (in review)
Cissus vandenbrandeana Dewit	Synonym		WCSP (in review)
Cissus vanderbenii Dewit	Synonym		WCSP (in review)
Cissus vanmeelii Lawalrée	Synonym		WCSP (in review)
Cissus variifolia (Baker) Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus veitchii Carrière [Unplaced]	Unresolved		WCSP (in review)
Cissus velutinus Linden ex Hook. [Unplaced]	Unresolved		WCSP (in review)
Cissus venatorum Descourt.	Synonym		WCSP (in review)
Cissus venezuelensis Steyerm.	Accepted		WCSP (in review)
Cissus verrucosa Steud.	Synonym		WCSP (in review)
Cissus verticillata (L.) Nicolson & C.E.Jarvis	Accepted		WCSP (in review)
Cissus verticillata subsp. laciniata (Baker) Lombardi	Synonym		WCSP (in review)
Cissus verticillata subsp. micrantha (Poir.) Lombardi	Accepted		WCSP (in review)
Cissus verticillata var. micrantha (Poir.) Lombardi	Synonym		WCSP (in review)
Cissus verticillata subsp. oblongolanceolata (Krug & Urb.) Lombardi	Accepted		WCSP (in review)
Cissus vesicatoria Blanco	Synonym		WCSP (in review)
Cissus villosa Roxb.	Unresolved		TRO
Cissus villosiglandulosa Werderm.	Synonym		WCSP (in review)
Cissus vinifera (L.) Kuntze	Synonym		WCSP (in review)
Cissus viniferoides Mildbr.	Synonym		WCSP (in review)
Cissus vinosa Jackes	Accepted		WCSP (in review)
Cissus violacea Meyen [Unplaced]	Unresolved		WCSP (in review)
Cissus violaceoglandulosa Gilg	Synonym		WCSP (in review)
Cissus viridescens Ridl.	Accepted		WCSP (in review)
Cissus viscosa Gilg & R.E.Fr.	Synonym		WCSP (in review)
Cissus viticella Webb ex Planch.	Unresolved		TRO
Cissus viticifolia Siebold & Zucc.	Unresolved		WCSP (in review)
Cissus vitiensis A.Gray	Unresolved		WCSP (in review)
Cissus vitifolia Salisb.	Synonym		WCSP (in review)
Cissus vitifolia Boiss. [Illegitimate]	Synonym		WCSP (in review)
Cissus vitiginea L.	Accepted		WCSP (in review)
Cissus vitiginea var. cochinchinensis DC.	Synonym		TRO
Cissus voanonala (Baker) Suess.	Accepted		WCSP (in review)
Cissus vogelii Hook.f.	Synonym		WCSP (in review)
Cissus voinierianus (Baltet) Viala	Synonym		TRO
Cissus volkensii Gilg	Synonym		WCSP (in review)
Cissus vuilletii A.Chev.	Synonym		WCSP (in review)
Cissus wallacei Verdc.	Accepted		WCSP (in review)
Cissus wallichiana Turcz.	Synonym		WCSP
Cissus waterlotii A.Chev.	Synonym		WCSP (in review)
Cissus wellmanii Gilg & M.Brandt	Accepted		WCSP (in review)
Cissus welwitschii (Baker) Planch.	Accepted		WCSP (in review)
Cissus wenshanensis C.L.Li	Accepted		WCSP (in review)
Cissus wightii Planch.	Synonym		WCSP (in review)
Cissus wilmsii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus wittei De Wild. & Staner	Synonym		WCSP (in review)
Cissus woodii Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus woodrowii (Stapf ex Cooke) Santapau	Accepted		WCSP (in review)
Cissus wrightiana Planch.	Accepted		WCSP (in review)
Cissus xerophila Lombardi	Accepted		WCSP (in review)
Cissus yoshimurai Makino	Synonym		WCSP (in review)
Cissus youngii Exell & Mendonça	Accepted		WCSP (in review)
Cissus zambesica Wild & R.B.Drumm.	Synonym		WCSP (in review)
Cissus zechiana Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus zollingeri Turcz.	Synonym		WCSP (in review)
Cissus zombensis Gilg & M.Brandt	Synonym		WCSP (in review)
Cissus zombitsy Desc.	Accepted		WCSP (in review)