The Plant List — A working list for all plant species

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

Results

No plant names match your search for Clematis althusifolia; we will try Clematis instead.

1638 plant name records match your search criteria Clematis. The results are below.

• Genus Clematis is in the family Ranunculaceae. 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
Clematis acapulcensis Hook. & Arn.	Accepted		WCSP (in review)
Clematis acapulcensis var. puberula W.T.Wang	Synonym		WCSP (in review)
Clematis acerifolia Maxim.	Accepted		WCSP (in review)
Clematis acerifolia var. elobata S.X.Yan	Synonym		WCSP (in review)
Clematis actinostemmatifolia W.T.Wang	Accepted		WCSP (in review)
Clematis acuminata DC.	Accepted		WCSP (in review)
Clematis acuminata var. andersonii Brühl	Synonym		WCSP (in review)
Clematis acuminata var. clarkei Kuntze	Synonym		WCSP (in review)
Clematis acuminata var. clarkei (Kuntze) Brühl	Synonym		TRO
Clematis acuminata var. hirtella Hand.-Mazz.	Synonym		TRO
Clematis acuminata var. hookeri Brühl	Synonym		WCSP (in review)
Clematis acuminata var. leschenaultiana (DC.) Kuntze	Synonym		TRO
Clematis acuminata subsp. leschenaultiana (DC.) Brühl	Synonym		TRO
Clematis acuminata var. multiflora H.F.Comber	Synonym		WCSP (in review)
Clematis acuminata subsp. normalis Kuntze	Synonym		TRO
Clematis acuminata var. sikkimensis Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis acuminata subsp. sikkimensis (Hook. f. & Thomson) Brühl	Synonym		TRO
Clematis acuminata subsp. yunnanensis (Franch.) Brühl	Synonym		TRO
Clematis acutangula Hook.f. & Thomson	Accepted		WCSP (in review)
Clematis acutangula f. major W.T.Wang	Synonym		WCSP (in review)
Clematis acutangula subsp. ranunculoides (Franch.) W.T.Wang	Synonym		WCSP (in review)
Clematis addisonii Britton ex Vail	Accepted		WCSP (in review)
Clematis aethusifolia Turcz.	Accepted		WCSP (in review)
Clematis aethusifolia var. aethusifolia	Accepted		TRO
Clematis affinis A.St.-Hil.	Accepted		WCSP (in review)
Clematis affinis Wight [Unplaced]	Unresolved		WCSP (in review)
Clematis afoliata Buchanan	Accepted		WCSP (in review)
Clematis africolineariloba W.T.Wang	Accepted		WCSP (in review)
Clematis ajanensis Kuntze	Synonym		WCSP (in review)
Clematis akebioides (Maxim.) H.J.Veitch	Accepted		WCSP (in review)
Clematis akoensis Hayata	Accepted		WCSP (in review)
Clematis albicoma Wherry	Accepted		WCSP (in review)
Clematis albicoma var. coactilis Fernald	Synonym		WCSP (in review)
Clematis albida Klotzsch	Synonym		WCSP (in review)
Clematis alborosea Ulbr.	Accepted		WCSP (in review)
Clematis alpina (L.) Mill.	Accepted		WCSP (in review)
Clematis alpina var. alba Davis	Synonym		WCSP (in review)
Clematis alpina var. albiflora Maxim. ex Kuntze	Synonym		WCSP (in review)
Clematis alpina var. altaica Kuntze	Synonym		WCSP (in review)
Clematis alpina var. carunculosa Gagnep.	Synonym		WCSP (in review)
Clematis alpina var. chinensis Maxim.	Synonym		WCSP (in review)
Clematis alpina var. fauriei H.Boissieu	Accepted		WCSP (in review)
Clematis alpina f. fauriei (H.Boissieu) Y.Tateishi	Synonym		WCSP (in review)
Clematis alpina var. fauriei (H. Boissieu) W.J. Yang & L.Qian Li	Synonym		TRO
Clematis alpina var. fusijamana Kuntze	Accepted		WCSP (in review)
Clematis alpina var. hexasepala Kuntze	Synonym		WCSP (in review)
Clematis alpina var. iliensis (Y.S. Hou & W.H. Hou) W.J. Yang & L.Qian Li	Synonym		TRO
Clematis alpina var. japonica (Nakai ex H.Hara) T.Shimizu	Synonym		WCSP (in review)
Clematis alpina var. koreana (Kom.) Nakai	Synonym		WCSP (in review)
Clematis alpina var. kraettliana Schröt.	Synonym		WCSP (in review)
Clematis alpina var. lactea Beck	Synonym		WCSP (in review)
Clematis alpina subsp. macropetala (Ledeb.) Kuntze	Synonym		WCSP (in review)
Clematis alpina var. macropetala (Ledeb.) Maxim.	Synonym		WCSP (in review)
Clematis alpina subsp. occidentalis (Hornem.) Kuntze	Synonym		WCSP (in review)
Clematis alpina var. occidentalis (Hornem.) A.Gray	Synonym		WCSP (in review)
Clematis alpina var. ochotensis (Pall.) S.Watson	Synonym		WCSP (in review)
Clematis alpina subsp. ochotensis (Pall.) Kuntze	Accepted		WCSP (in review)
Clematis alpina var. ochotensis (Pall.) Kuntze	Synonym		TRO
Clematis alpina var. pallida Ausserd. ex Hegi	Synonym		WCSP (in review)
Clematis alpina var. repens Kuntze	Synonym		WCSP (in review)
Clematis alpina var. rupestris Turcz. ex Kuntze	Synonym		WCSP (in review)
Clematis alpina var. sibirica (L.) C.K.Schneid.	Synonym		WCSP (in review)
Clematis alpina subsp. sibirica (L.) Kuntze	Accepted		WCSP (in review)
Clematis alpina var. sibirica (L.) Kuntze	Synonym		TRO
Clematis alpina var. subbiternata Beck	Synonym		WCSP (in review)
Clematis alpina var. tenuiloba (A. Gray) Rydb.	Synonym		TRO
Clematis alpina var. verticillaris (DC.) Kuntze	Synonym		WCSP (in review)
Clematis alpina subsp. wenderothii Schltdl. ex Kuntze	Synonym		WCSP (in review)
Clematis alsomitrifolia Hayata	Synonym		WCSP (in review)
Clematis alternata Kitam. & Tamura	Accepted		WCSP (in review)
Clematis altheifolia Greene [Unplaced]	Unresolved		WCSP (in review)
Clematis altissima Hutch.	Synonym		WCSP (in review)
Clematis americana Mill.	Synonym		WCSP (in review)
Clematis americana var. acapulcensis (Hook. & Arn.) K.C.Davis	Synonym		WCSP (in review)
Clematis amplexicaulis Edgew.	Synonym		WCSP (in review)
Clematis andersonii (C.B.Clarke ex Kuntze) H.Eichler	Accepted		WCSP (in review)
Clematis anemoniflora D.Don [Illegitimate]	Synonym		WCSP (in review)
Clematis anemonoides Kuntze	Synonym		WCSP (in review)
Clematis anethifolia Hook.	Unresolved		WCSP (in review)
Clematis anethifolia var. brevifolia (Kuntze) T.Durand & Schinz	Unresolved		WCSP (in review)
Clematis angolana M.Johnson	Synonym		WCSP (in review)
Clematis angustifolia Jacq.	Synonym		WCSP (in review)
Clematis angustifolia (Hayata) Hayata	Synonym		WCSP (in review)
Clematis angustifolia var. breviloba Freyn	Synonym		TRO
Clematis angustifolia var. dissecta Yabe	Synonym		TRO
Clematis angustifolia f. dissecta (Yabe) Kitag.	Synonym		TRO
Clematis angustifolia var. tchefouensis Debeaux	Synonym		WCSP (in review)
Clematis angustifoliola W.T.Wang	Synonym		WCSP (in review)
Clematis anhweiensis M.C.Chang	Synonym		WCSP (in review)
Clematis anshunensis M.Y.Fang	Synonym		WCSP (in review)
Clematis antonii (Elmer) L.Eichler	Accepted		WCSP (in review)
Clematis antunesii Engl. [Illegitimate]	Synonym		WCSP (in review)
Clematis aphylla Kuntze [Unplaced]	Unresolved		WCSP (in review)
Clematis aphylla Colenso [Illegitimate]	Synonym		WCSP (in review)
Clematis apiculata Hook.f. & Thomson	Accepted		WCSP (in review)
Clematis apiifolia DC.	Accepted		WCSP (in review)
Clematis apiifolia subsp. apiculata (Hook.f. & Thomson) Kuntze	Synonym		WCSP (in review)
Clematis apiifolia var. argentilucida (H.Lév. & Vaniot) W.T.Wang	Accepted		WCSP (in review)
Clematis apiifolia subsp. franchetii Kuntze	Synonym		WCSP (in review)
Clematis apiifolia subsp. niponensis Kuntze	Synonym		WCSP (in review)
Clematis apiifolia var. obtusidentata Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis archboldiana Merr. & L.M.Perry	Accepted		WCSP (in review)
Clematis argentea (Kuntze) Prantl	Synonym		WCSP (in review)
Clematis argentea (Welw. ex Kuntze) T. Durand & Schinz	Synonym		TRO
Clematis argentilucida (H.Lév. & Vaniot) W.T.Wang	Synonym		WCSP (in review)
Clematis argentilucida (H. Lév. & Vaniot) H. Eichler	Synonym		TRO
Clematis argentilucida var. argentilucida	Unresolved		TRO
Clematis argentilucida var. likiangensis (Rehder) W.T. Wang	Synonym		TRO
Clematis aristata R.Br. ex Ker Gawl.	Accepted		WCSP (in review)
Clematis aristata var. blanda (Hook.) Benth.	Synonym		WCSP (in review)
Clematis aristata var. breviappendiculata Kuntze	Synonym		WCSP (in review)
Clematis aristata var. browniana Domin	Synonym		WCSP (in review)
Clematis aristata subsp. cocculifolia (A.Cunn.) Kuntze	Synonym		WCSP (in review)
Clematis aristata subsp. confertissima Kuntze	Synonym		WCSP (in review)
Clematis aristata var. coriacea (DC.) Benth.	Synonym		WCSP (in review)
Clematis aristata var. dennisae Guilf.	Synonym		WCSP (in review)
Clematis aristata subsp. gentianoides (DC.) Kuntze	Synonym		WCSP (in review)
Clematis aristata subsp. glycinoides (DC.) Kuntze	Synonym		WCSP (in review)
Clematis aristata var. glycinoides (DC.) Kuntze	Synonym		WCSP (in review)
Clematis aristata subsp. gunniana Kuntze	Synonym		WCSP (in review)
Clematis aristata var. gunniana (Kuntze) Domin	Synonym		WCSP (in review)
Clematis aristata var. integrifolia Domin	Synonym		WCSP (in review)
Clematis aristata var. leichhardtiana Kuntze	Synonym		WCSP (in review)
Clematis aristata var. longiappendiculata Kuntze	Synonym		WCSP (in review)
Clematis aristata var. longiseta F.M.Bailey	Synonym		WCSP (in review)
Clematis aristata var. minor Hook.f.	Synonym		WCSP (in review)
Clematis aristata var. normalis Domin	Synonym		WCSP (in review)
Clematis aristata f. oblongisepala Domin	Synonym		WCSP (in review)
Clematis aristata var. occidentalis Benth.	Synonym		WCSP (in review)
Clematis aristata subsp. pickeringii (A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis aristata subsp. procumbens Kuntze	Synonym		WCSP (in review)
Clematis aristata subsp. pubescens (Hügel ex Endl.) Kuntze	Synonym		WCSP (in review)
Clematis aristata var. sanderi (Watts) Domin	Synonym		WCSP (in review)
Clematis aristata f. stenosepala Domin	Synonym		WCSP (in review)
Clematis aristata subsp. tasmanica Kuntze	Synonym		WCSP (in review)
Clematis arizonica A.Heller	Synonym		WCSP (in review)
Clematis armandii Franch.	Accepted		WCSP (in review)
Clematis armandii var. armandii	Accepted		TRO
Clematis armandii var. biondiana (Pavol.) Rehder	Synonym		TRO
Clematis armandii f. farquhariana Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis armandii var. farquhariana (Rehder & E.H.Wilson) W.T.Wang	Accepted		WCSP (in review)
Clematis armandii var. hefengensis (G.F.Tao) W.T.Wang	Accepted		WCSP (in review)
Clematis armandii var. pinfaensis Finet & Gagnep.	Synonym		WCSP (in review)
Clematis armandii var. retusifolia (J.Q.Fu & S.B.Ho) W.T.Wang	Accepted		WCSP (in review)
Clematis × aromatica Lenné & K.Koch	Unresolved		WCSP (in review)
Clematis asplenifolia Schrenk	Unresolved		WCSP (in review)
Clematis aspleniifolia var. boissieriana (Korsh.) Krasch.	Synonym		TRO
Clematis atragenoides Batalin	Synonym		WCSP (in review)
Clematis × atroviolacea Carrière [Unplaced]	Unresolved		WCSP (in review)
Clematis aurea A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Clematis australis Kirk	Synonym		WCSP (in review)
Clematis australis var. rutifolia (Hook.f.) Allan	Synonym		WCSP (in review)
Clematis austrojaponensis Ohwi	Synonym		WCSP (in review)
Clematis azurea Turcz. [Unplaced]	Unresolved		WCSP (in review)
Clematis azurea var. grandiflora Sieber ex Loudon	Synonym		WCSP (in review)
Clematis baccata Pers.	Synonym		WCSP (in review)
Clematis bahamica (Kuntze) Britton	Synonym		WCSP (in review)
Clematis bakeri Greene	Synonym		WCSP (in review)
Clematis baldwinii Torr. & A.Gray	Accepted		WCSP (in review)
Clematis baldwinii var. latiuscula R.W.Long	Synonym		WCSP (in review)
Clematis balearica Rich.	Synonym		WCSP (in review)
Clematis baltistanica Qureshi & Chaudhri	Synonym		WCSP (in review)
Clematis bangii Rusby	Synonym		WCSP (in review)
Clematis bannatica Schur	Synonym		WCSP (in review)
Clematis baominiana W.T.Wang	Accepted		WCSP (in review)
Clematis barahonensis Urb.	Synonym		WCSP (in review)
Clematis barbellata Edgew.	Accepted		WCSP (in review)
Clematis barbellata var. obtusa Kitam. & Tamura	Accepted		WCSP (in review)
Clematis barrancae M.E.Jones	Synonym		WCSP (in review)
Clematis bartlettii Yamam.	Synonym		WCSP (in review)
Clematis bathiei H.Lév.	Synonym		WCSP (in review)
Clematis beadlei (Small) R.O.Erickson	Synonym		WCSP (in review)
Clematis bellojocensis Gand.	Synonym		WCSP (in review)
Clematis benthamiana Hemsl.	Synonym		WCSP (in review)
Clematis bergeronii Lavallée [Unplaced]	Unresolved		WCSP (in review)
Clematis bicolor Steud.	Synonym		WCSP (in review)
Clematis bidens Urb.	Synonym		WCSP (in review)
Clematis biflora Eastw. [Unplaced]	Unresolved		WCSP (in review)
Clematis bigelovii Torr.	Accepted		WCSP (in review)
Clematis bigelovii var. arizonica (A.Heller) Tidestr.	Synonym		WCSP (in review)
Clematis biloba Steud.	Synonym		WCSP (in review)
Clematis biondiana Pavol.	Synonym		WCSP (in review)
Clematis biperrieri H.Lév. [Unplaced]	Unresolved		WCSP (in review)
Clematis biternata DC.	Synonym		WCSP (in review)
Clematis blanda Hook.	Synonym		WCSP (in review)
Clematis boissieriana Korsh.	Unresolved		WCSP (in review)
Clematis bojeri Hook.	Accepted		WCSP (in review)
Clematis bojeri var. anethiflora (Hook.) M.Johnson	Accepted		WCSP (in review)
Clematis bojeri var. bojeri	Unresolved		TRO
Clematis bojeri var. macrophylla (J.Raynal) M.Johnson	Synonym		WCSP (in review)
Clematis bojeri var. oligophylla (Hook.) M.Johnson	Synonym		WCSP (in review)
Clematis bojeri var. pseudoscabiosifolia (H.Perrier) M.Johnson	Synonym		WCSP (in review)
Clematis bonariensis Juss. ex DC.	Accepted		WCSP (in review)
Clematis boninensis Hayata	Accepted		WCSP (in review)
Clematis bourdillonii Dunn	Accepted		WCSP (in review)
Clematis × boweri Spingarn [Unplaced]	Unresolved		WCSP (in review)
Clematis bowkeri Burtt Davy ex W.T.Wang	Accepted		WCSP (in review)
Clematis brachiata Thunb.	Accepted		WCSP (in review)
Clematis brachiata Ker Gawl. [Illegitimate]	Synonym		WCSP (in review)
Clematis brachiata var. burkei Burtt Davy	Synonym		WCSP (in review)
Clematis brachiata var. oweniae (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis brachystemon Gunn ex W.T.Wang	Accepted		WCSP (in review)
Clematis brachyura Maxim.	Accepted		WCSP (in review)
Clematis brachyura var. hexasepala Y.N.Lee	Synonym		WCSP (in review)
Clematis bracteata (Moench) DC.	Synonym		WCSP (in review)
Clematis bracteata (Roxb.) Kurz [Illegitimate]	Synonym		WCSP (in review)
Clematis bracteata var. leptomera (Hance) Kuntze	Synonym		WCSP (in review)
Clematis bracteolata Tamura	Accepted		WCSP (in review)
Clematis bracteosa Banks ex Steud.	Synonym		WCSP (in review)
Clematis brasiliana DC.	Accepted		WCSP (in review)
Clematis brasiliana var. glabra A.St.-Hil.	Synonym		WCSP (in review)
Clematis brasiliana var. laxa A.St.-Hil.	Synonym		WCSP (in review)
Clematis brasiliana var. minor A.St.-Hil.	Synonym		WCSP (in review)
Clematis brevicaudata DC.	Accepted		WCSP (in review)
Clematis brevicaudata auct. [Unplaced]	Unresolved		WCSP (in review)
Clematis brevicaudata var. brevicaudata	Accepted		TRO
Clematis brevicaudata var. filipes Rehder & E.H. Wilson	Synonym		TRO
Clematis brevicaudata var. ganpiniana (H. Lév. & Vaniot) Hand.-Mazz.	Synonym		TRO
Clematis brevicaudata var. leiophylla Hand.-Mazz.	Synonym		WCSP (in review)
Clematis brevicaudata var. lissocarpa Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis brevicaudata var. subsericea Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis brevicaudata var. tenuisepala Maxim.	Synonym		WCSP (in review)
Clematis brevifolia (Nutt. ex Torr. & A.Gray) Howell	Synonym		WCSP (in review)
Clematis brevipes Rehder	Accepted		WCSP (in review)
Clematis bucamara Buch.-Ham. ex DC.	Synonym		WCSP (in review)
Clematis buchananiana DC.	Accepted		WCSP (in review)
Clematis buchananiana subsp. connata (DC.) Kuntze	Synonym		TRO
Clematis buchananiana var. rugosa Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis buchananiana var. tortuosa Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis buchananiana var. trullifera Franch.	Synonym		WCSP (in review)
Clematis buchananiana var. vitifolia Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis buchananii D.Don	Synonym		WCSP (in review)
Clematis buchaniana Wall. [Spelling variant]	Synonym		WCSP (in review)
Clematis burgensis Engl.	Synonym		WCSP (in review)
Clematis burmanica Lace	Accepted		WCSP (in review)
Clematis busseana Engl.	Synonym		WCSP (in review)
Clematis cadmia Buch.-Ham. ex Hook.f. & Thomson	Accepted		WCSP (in review)
Clematis cadmia var. leptomera (Hance) W.T.Wang	Synonym		WCSP (in review)
Clematis caesariata Hance	Synonym		WCSP (in review)
Clematis caespitosa Scop.	Synonym		WCSP (in review)
Clematis caleoides Standl. & Steyerm.	Accepted		WCSP (in review)
Clematis calycina Aiton	Synonym		WCSP (in review)
Clematis calyculata C.K.Schneid.	Synonym		WCSP (in review)
Clematis campaniflora Brot.	Accepted		WCSP (in review)
Clematis campaniflora Lodd. ex Steud. [Invalid]	Synonym		WCSP (in review)
Clematis campestris A.St.-Hil.	Accepted		WCSP (in review)
Clematis campestris var. malacophylla W.T.Wang	Synonym		WCSP (in review)
Clematis campestris var. mendocina (Phil.) Hauman & Irigoyen	Synonym		WCSP (in review)
Clematis cana Wall. [Invalid]	Synonym		WCSP (in review)
Clematis canadensis Mill.	Synonym		WCSP (in review)
Clematis canaliculata Lag.	Synonym		WCSP (in review)
Clematis canescens (Turcz.) W.T.Wang & M.C.Chang	Synonym		WCSP (in review)
Clematis canescens subsp. canescens	Synonym		TRO
Clematis canescens subsp. viridis W.T.Wang & M.C.Chang	Synonym		WCSP (in review)
Clematis canescens var. viridis (W.T.Wang & M.C.Chang) W.T.Wang	Synonym		WCSP (in review)
Clematis capensis Poir.	Synonym		WCSP (in review)
Clematis caracasana Kunth ex DC.	Synonym		WCSP (in review)
Clematis caripensis Kunth	Synonym		WCSP (in review)
Clematis carrizoensis D.Estes	Accepted		WCSP (in review)
Clematis catesbyana Pursh	Accepted		WCSP (in review)
Clematis catesbyana var. plukenetii (DC.) Kuntze	Synonym		WCSP (in review)
Clematis caudata Hook. ex Hemsl.	Synonym		WCSP (in review)
Clematis caudigera W.T.Wang	Accepted		WCSP (in review)
Clematis cavaleriei H.Lév. & C.E.Porter	Synonym		WCSP (in review)
Clematis chandleri Lavallée	Unresolved		WCSP (in review)
Clematis chanetii H.Lév.	Synonym		WCSP (in review)
Clematis chariensis A.Chev.	Synonym		WCSP (in review)
Clematis chekiangensis C.Pei	Accepted		WCSP (in review)
Clematis chengguensis W.T.Wang	Accepted		WCSP (in review)
Clematis cheusanensis Plukenet, Opera	Unresolved		TRO
Clematis chiisanensis Nakai	Synonym		WCSP (in review)
Clematis chiisanensis var. carunculosa (Gagnep.) Rehder	Synonym		WCSP (in review)
Clematis chinensis Osbeck	Accepted		WCSP (in review)
Clematis chinensis Retz [Illegitimate]	Synonym		WCSP (in review)
Clematis chinensis var. anhweiensis (M.C.Chang) W.T.Wang	Accepted		WCSP (in review)
Clematis chinensis var. bipinnata (Tamura) W.T.Wang	Accepted		WCSP (in review)
Clematis chinensis var. fujisanensis (Hisauti & H.Hara) W.T.Wang	Accepted		WCSP (in review)
Clematis chinensis var. laeviachenium R.H.Miao	Synonym		WCSP (in review)
Clematis chinensis var. uncinata (Champ. ex Benth.) Kuntze	Synonym		TRO
Clematis chinensis f. vestita Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis chinensis var. vestita (Rehder & E.H.Wilson) W.T.Wang	Accepted		WCSP (in review)
Clematis chingii W.T.Wang	Accepted		WCSP (in review)
Clematis chiupehensis M.Y.Fang	Accepted		WCSP (in review)
Clematis chlorantha Lindl.	Synonym		WCSP (in review)
Clematis chrysantha Ulbr.	Synonym		WCSP (in review)
Clematis chrysantha var. brevipes Tamura	Synonym		WCSP (in review)
Clematis chrysantha var. monantha Tamura	Synonym		WCSP (in review)
Clematis chrysantha var. paucidentata Tamura	Synonym		WCSP (in review)
Clematis chrysocarpa Welw. ex Oliv.	Accepted		WCSP (in review)
Clematis chrysocarpa var. angolensis (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis chrysocarpa subsp. bijuga Brummitt	Accepted		WCSP (in review)
Clematis chrysocarpa var. poggei (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis chrysocarpoides De Wild.	Synonym		WCSP (in review)
Clematis chrysocoma Franch.	Accepted		WCSP (in review)
Clematis chrysocoma var. glabrescens H.F.Comber	Synonym		WCSP (in review)
Clematis chrysocoma var. laxistrigosa W.T.Wang & M.C.Chang	Synonym		WCSP (in review)
Clematis chrysocoma var. sericea (Franch. ex Finet & Gagnep.) C.K. Schneid.	Synonym		TRO
Clematis cinnamomoides W.T.Wang	Accepted		WCSP (in review)
Clematis cirrhosa L.	Accepted		WCSP (in review)
Clematis cirrhosa var. angustifolia Loudon	Synonym		WCSP (in review)
Clematis cirrhosa subsp. atava Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa var. balearica (Rich.) Willk.	Synonym		WCSP (in review)
Clematis cirrhosa subsp. balearica (Rich.) Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa f. balearica (Rich.) Maire	Synonym		WCSP (in review)
Clematis cirrhosa var. barnadesii Pau	Synonym		WCSP (in review)
Clematis cirrhosa var. bibracteata W.T.Wang	Synonym		WCSP (in review)
Clematis cirrhosa f. gigantiflora Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa subsp. heterophylla Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa f. micrantha Maire	Synonym		WCSP (in review)
Clematis cirrhosa var. multifida Moris	Synonym		WCSP (in review)
Clematis cirrhosa var. napaulensis (DC.) Kuntze	Synonym		TRO
Clematis cirrhosa f. obtusifolia Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa var. pedicellata DC.	Synonym		WCSP (in review)
Clematis cirrhosa f. semitriloba (Lag.) Ball	Synonym		WCSP (in review)
Clematis cirrhosa subsp. semitriloba (Lag.) Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa var. semitriloba (Lag.) Batt.	Synonym		WCSP (in review)
Clematis cirrhosa f. subdentata Kuntze	Synonym		WCSP (in review)
Clematis cirrhosa var. triloba Moris	Synonym		WCSP (in review)
Clematis clarkeana H.Lév. & Vaniot	Accepted		WCSP (in review)
Clematis clarkeana var. stenophylla Hand.-Mazz.	Synonym		WCSP (in review)
Clematis clemensiae H.Eichler	Accepted		WCSP (in review)
Clematis clitorioides DC.	Accepted		WCSP (in review)
Clematis clitorioides var. decipiens Domin	Synonym		WCSP (in review)
Clematis coactilis (Fernald) Keener	Accepted		WCSP (in review)
Clematis coahuilensis D.J.Keil	Accepted		WCSP (in review)
Clematis coahuilensis var. brevisepala W.T.Wang	Synonym		WCSP (in review)
Clematis coccinea Engelm. ex A.Gray	Synonym		WCSP (in review)
Clematis coccinea Engelm.	Synonym		TRO
Clematis coccinea var. parviflora Beissn.	Synonym		WCSP (in review)
Clematis coccinea var. segreziensis Beissn.	Synonym		WCSP (in review)
Clematis cocculifolia A.Cunn.	Synonym		WCSP (in review)
Clematis cochabambensis Rusby	Unresolved		WCSP (in review)
Clematis coerulea Lindl.	Synonym		WCSP (in review)
Clematis coerulea var. grandiflora Hook.	Synonym		WCSP (in review)
Clematis cognata Steud.	Synonym		WCSP (in review)
Clematis colensoi Hook.f.	Synonym		WCSP (in review)
Clematis colensoi var. rutifolia (Hook.f.) Hook.f.	Synonym		WCSP (in review)
Clematis coloradoensis Buckley	Synonym		WCSP (in review)
Clematis columbiana (Nutt.) Torr. & A.Gray	Accepted		WCSP (in review)
Clematis columbiana var. dissecta C.L.Hitchc.	Synonym		WCSP (in review)
Clematis columbiana var. tenuiloba (A.Gray) J.S.Pringle	Accepted		WCSP (in review)
Clematis commutata Kuntze	Accepted		WCSP (in review)
Clematis commutata var. glabrisepala W.T.Wang	Synonym		WCSP (in review)
Clematis comoresensis W.T.Wang	Accepted		WCSP (in review)
Clematis comosa DC.	Synonym		WCSP (in review)
Clematis confusa Grey-Wilson	Synonym		WCSP (in review)
Clematis connata DC.	Accepted		WCSP (in review)
Clematis connata var. bipinnata M.Y.Fang	Synonym		WCSP (in review)
Clematis connata var. confusa (Grey-Wilson) W.T.Wang	Synonym		WCSP (in review)
Clematis connata var. connata	Accepted		TRO
Clematis connata var. lanceolata S.N.Biswas	Synonym		WCSP (in review)
Clematis connata var. pseudoconnata (Kuntze) W.T.Wang	Accepted		WCSP (in review)
Clematis connata var. sublanata W.T. Wang	Synonym		TRO
Clematis connata var. tomentosa (Finet & Gagnep.) W.T. Wang	Synonym		TRO
Clematis connata var. trullifera (Franch.) W.T.Wang	Accepted		WCSP (in review)
Clematis × contorta Carrière [Unplaced]	Unresolved		WCSP (in review)
Clematis cordata Pursh	Synonym		WCSP (in review)
Clematis cordata Sims [Illegitimate]	Synonym		WCSP (in review)
Clematis cordata Royle [Illegitimate]	Synonym		WCSP (in review)
Clematis cordata subsp. pitcheri (Torr. & A.Gray) Voss	Synonym		WCSP (in review)
Clematis cordifolia (Moench) DC.	Synonym		WCSP (in review)
Clematis coreana H.Lév. [Illegitimate]	Synonym		WCSP (in review)
Clematis coriacea DC.	Synonym		WCSP (in review)
Clematis coriacea Korth. [Illegitimate]	Synonym		WCSP (in review)
Clematis coriigera H.Lév.	Synonym		WCSP (in review)
Clematis corniculata W.T.Wang	Accepted		WCSP (in review)
Clematis corymbosa Poir.	Synonym		WCSP (in review)
Clematis courtoisii Hand.-Mazz.	Accepted		WCSP (in review)
Clematis craibiana Lace	Accepted		WCSP (in review)
Clematis crassifolia Benth.	Accepted		WCSP (in review)
Clematis crassipes Chun & F.C.How	Accepted		WCSP (in review)
Clematis crassipes var. pubipes W.T.Wang	Synonym		WCSP (in review)
Clematis crassisepala Ohwi	Accepted		WCSP (in review)
Clematis crenata Jord.	Synonym		WCSP (in review)
Clematis crispa L.	Accepted		WCSP (in review)
Clematis crispa var. walteri (Pursh) A.Gray	Synonym		WCSP (in review)
Clematis cruttwellii H.Eichler ex W.T.Wang	Accepted		WCSP (in review)
Clematis cunninghamii Turcz.	Accepted		WCSP (in review)
Clematis cylindrica Sims	Synonym		WCSP (in review)
Clematis cylindrica var. lineariloba (DC.) Alph.Wood	Synonym		WCSP (in review)
Clematis cylindrica var. walteri (Pursh) Torr. & A.Gray	Synonym		WCSP (in review)
Clematis dahurica DC.	Synonym		WCSP (in review)
Clematis dasyandra Maxim.	Accepted		WCSP (in review)
Clematis dasyandra var. polyantha Finet & Gagnep.	Synonym		TRO
Clematis dasyoneura (Korth.) Kuntze	Synonym		WCSP (in review)
Clematis daurica Pers.	Synonym		WCSP (in review)
Clematis davidiana Decne. ex Verl.	Synonym		WCSP (in review)
Clematis davurica Ledeb. [Illegitimate]	Synonym		WCSP (in review)
Clematis decipiens H.Eichler ex Jeanes	Accepted		WCSP (in review)
Clematis delavayi Franch.	Accepted		WCSP (in review)
Clematis delavayi var. limprichtii (Ulbr.) M.C.Chang	Accepted		WCSP (in review)
Clematis delicata H.Eichler ex W.T.Wang	Accepted		WCSP (in review)
Clematis denticulata Vell.	Synonym		WCSP (in review)
Clematis denticulata var. ulbrichiana (Pilg.) Lourteig	Synonym		WCSP (in review)
Clematis dictyota Greene	Synonym		WCSP (in review)
Clematis dilatata C.Pei	Accepted		WCSP (in review)
Clematis dimorphophylla W.T.Wang	Accepted		WCSP (in review)
Clematis dingjunshanica W.T.Wang	Accepted		WCSP (in review)
Clematis dioica L.	Accepted		WCSP (in review)
Clematis dioica Lour. [Illegitimate]	Synonym		WCSP (in review)
Clematis dioica subsp. acapulcensis (Hook. & Arn.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. americana (Mill.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. americana Kuntze	Synonym		TRO
Clematis dioica var. angustifolia Kuntze	Synonym		WCSP (in review)
Clematis dioica var. angustissima Kuntze	Synonym		WCSP (in review)
Clematis dioica var. antillensis Eichler	Synonym		WCSP (in review)
Clematis dioica var. australis Eichler	Synonym		WCSP (in review)
Clematis dioica var. bahamica Kuntze	Synonym		WCSP (in review)
Clematis dioica var. brasiliana (DC.) Eichler	Synonym		WCSP (in review)
Clematis dioica subsp. brasiliana (DC.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. brevifolia (Nutt. ex Torr. & A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. campestris (A.St.-Hil.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. catesbyana (Pursh) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. cordata (Pursh) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. denticulata (Vell.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. dominica (Lam.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. dominica (Lam.) Kuntze	Synonym		TRO
Clematis dioica var. drummondii (Torr. & A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. eichleriana Kuntze	Synonym		WCSP (in review)
Clematis dioica var. fluminensis (Vell.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. havanensis (Kunth ex DC.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. havanensis (Humb. & Bonpl. ex DC.) Kuntze	Synonym		TRO
Clematis dioica var. hilarii (Spreng.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. lorentziana Kuntze	Synonym		WCSP (in review)
Clematis dioica var. mendocina (Phil.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. nervata (Benth.) Kuntze	Synonym		WCSP (in review)
Clematis dioica var. normalis Kuntze	Synonym		TRO
Clematis dioica var. plukenetii (DC.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. sericea (Kunth ex DC.) Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. sericea Benoist	Synonym		TRO
Clematis dioica var. subglabra Kuntze	Synonym		WCSP (in review)
Clematis dioica var. tipica Kuntze	Synonym		TRO
Clematis dioica var. variabilis Kuntze	Synonym		WCSP (in review)
Clematis dioica subsp. virginiana (L.) Kuntze	Synonym		WCSP (in review)
Clematis dioscoreifolia H.Lév. & Vaniot	Unresolved		WCSP (in review)
Clematis dioscoreifolia var. robusta (Carrière) Rehder	Synonym		TRO
Clematis discolor Gardner	Synonym		WCSP (in review)
Clematis discolor Steud. & Lehm. [Illegitimate]	Synonym		WCSP (in review)
Clematis dissecta Baker	Accepted		WCSP (in review)
Clematis distorta Lavallée	Synonym		WCSP (in review)
Clematis × divaricata J.Jacq.	Unresolved		WCSP (in review)
Clematis diversifolia Gilib.	Synonym		WCSP (in review)
Clematis diversifolia DC. [Unplaced]	Unresolved		WCSP (in review)
Clematis djalonensis A.Chev.	Synonym		WCSP (in review)
Clematis djalonensis var. hirsutissima A.Chev.	Synonym		WCSP (in review)
Clematis djalonensis var. latipaniculata A.Chev.	Synonym		WCSP (in review)
Clematis dolichopoda Brenan	Accepted		WCSP (in review)
Clematis dolichosepala Hayata	Synonym		WCSP (in review)
Clematis dominica Lam.	Synonym		WCSP (in review)
Clematis douglasii Hook.	Synonym		WCSP (in review)
Clematis douglasii var. bigelovii (Torr.) M.E.Jones	Synonym		WCSP (in review)
Clematis douglasii f. brevisepala Kuntze	Synonym		WCSP (in review)
Clematis douglasii var. erectisepala Kuntze	Synonym		WCSP (in review)
Clematis douglasii subsp. jonesii Kuntze	Synonym		WCSP (in review)
Clematis douglasii var. jonesii Kuntze	Synonym		TRO
Clematis douglasii f. pulsatilloides Kuntze	Synonym		WCSP (in review)
Clematis douglasii var. rosea (Cockerell) Cockerell	Synonym		WCSP (in review)
Clematis douglasii var. scottii (Porter) R.O.Erickson	Synonym		WCSP (in review)
Clematis douglasii subsp. wyethii (Nutt. ex Torr. & A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis drakeana H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis drummondii Torr. & A.Gray	Accepted		WCSP (in review)
Clematis dubia (Endl.) P.S.Green	Accepted		WCSP (in review)
Clematis duclouxii H.Lév.	Synonym		WCSP (in review)
Clematis dumosa Salisb.	Synonym		WCSP (in review)
Clematis dumosa Gand.	Synonym		WCSP (in review)
Clematis edentata Baker	Accepted		WCSP (in review)
Clematis eichleri (Tamura) Tamura	Synonym		WCSP (in review)
Clematis elata Bureau & Franch.	Accepted		WCSP (in review)
Clematis elisabethae-carolae Greuter	Accepted		WCSP (in review)
Clematis elliptica Endl.	Synonym		WCSP (in review)
Clematis elongata Tratt.	Synonym		WCSP (in review)
Clematis emirnensis (Kuntze) Prantl	Synonym		WCSP (in review)
Clematis erecta L.	Synonym		WCSP (in review)
Clematis erectisepala L.Xie, J.H.Shi & L.Q.Li	Accepted		WCSP (in review)
Clematis eriophora Rydb.	Synonym		WCSP (in review)
Clematis eriopoda Maxim.	Synonym		WCSP (in review)
Clematis eriopoda var. wilfordii (Maxim.) Kuntze	Synonym		WCSP (in review)
Clematis × eriostemon Decne.	Unresolved		WCSP (in review)
Clematis esquirolii H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis everettii Hemsl.	Synonym		WCSP (in review)
Clematis × excelsior Van Houtte [Unplaced]	Unresolved		WCSP (in review)
Clematis faberi Hemsl. & E.H.Wilson	Synonym		WCSP (in review)
Clematis falcifolia Marcet [Unplaced]	Unresolved		WCSP (in review)
Clematis falciformis H.Perrier	Accepted		WCSP (in review)
Clematis fargesii Franch.	Synonym		WCSP (in review)
Clematis fargesii var. souliei Finet & Gagnep.	Synonym		WCSP (in review)
Clematis fasciculiflora Franch.	Accepted		WCSP (in review)
Clematis fasciculiflora var. fasciculiflora	Accepted		TRO
Clematis fauriei (H.Boissieu) M.Johnson	Synonym		WCSP (in review)
Clematis fawcettii F.Muell.	Accepted		WCSP (in review)
Clematis fawcettii var. colorata (F.M.Bailey) Maiden & Betche	Synonym		WCSP (in review)
Clematis fawcettii f. colorata (F.M.Bailey) Domin	Synonym		WCSP (in review)
Clematis fengii W.T.Wang	Accepted		WCSP (in review)
Clematis filamentosa Dunn	Unresolved		WCSP (in review)
Clematis filifera Benth.	Synonym		WCSP (in review)
Clematis filifera var. incisa Hemsl.	Synonym		WCSP (in review)
Clematis finetiana H.Lév. & Vaniot	Accepted		WCSP (in review)
Clematis finetiana var. finetiana	Accepted		TRO
Clematis finetiana var. lutchuensis (Koidz.) W.T.Wang	Accepted		WCSP (in review)
Clematis flabellata Nakai	Accepted		WCSP (in review)
Clematis flaccida Small	Synonym		WCSP (in review)
Clematis flammula L.	Accepted		WCSP (in review)
Clematis flammula var. robusta Carrière	Synonym		TRO
Clematis flammulastroides W.T.Wang	Synonym		WCSP (in review)
Clematis flammulastrum Griseb.	Accepted		WCSP (in review)
Clematis flammulastrum var. fuertesii (Urb.) W.T.Wang	Accepted		WCSP (in review)
Clematis flammulastrum var. fuertesii (Urb.) N. Moreno	Synonym		TRO
Clematis flava (Moench) DC.	Synonym		WCSP (in review)
Clematis flavescens Raf. [Unplaced]	Unresolved		WCSP (in review)
Clematis floribunda Planch. & Triana	Synonym		WCSP (in review)
Clematis floribunda Kurz [Illegitimate]	Synonym		WCSP (in review)
Clematis floribunda (Hayata) Yamam.	Synonym		WCSP (in review)
Clematis florida Thunb.	Accepted		WCSP (in review)
Clematis florida var. flore-plena G.Don	Synonym		WCSP (in review)
Clematis florida var. hakonensis (Franch. & Sav.) Huth	Synonym		WCSP (in review)
Clematis florida var. hancockiana (Maxim.) Courtois	Synonym		TRO
Clematis florida var. lanuginosa (Lindl.) Kuntze	Synonym		TRO
Clematis florida var. plena D.Don	Synonym		WCSP (in review)
Clematis fluminensis Vell.	Synonym		WCSP (in review)
Clematis foetida Raoul	Accepted		WCSP (in review)
Clematis formosana Kuntze	Accepted		WCSP (in review)
Clematis forrestii W.W.Sm.	Synonym		WCSP (in review)
Clematis forsteri J.F.Gmel.	Accepted		WCSP (in review)
Clematis fortunei T.Moore	Synonym		WCSP (in review)
Clematis fragrans Salisb.	Synonym		WCSP (in review)
Clematis fragrans Ten.	Synonym		WCSP (in review)
Clematis × francofurtensis Rinz ex K.Koch	Unresolved		WCSP (in review)
Clematis fremontii S.Watson	Accepted		WCSP (in review)
Clematis fremontii var. riehlii R.O.Erickson	Synonym		WCSP (in review)
Clematis friesiorum Ulbr.	Synonym		WCSP (in review)
Clematis fruticosa Turcz.	Accepted		WCSP (in review)
Clematis fruticosa f. atriplexifolia Kozlov	Synonym		WCSP (in review)
Clematis fruticosa var. canescens Turcz.	Accepted		WCSP (in review)
Clematis fruticosa f. chenopodiifolia Kozlov	Synonym		WCSP (in review)
Clematis fruticosa f. lancifolia Kozlov	Synonym		WCSP (in review)
Clematis fruticosa var. lobata Maxim.	Synonym		WCSP (in review)
Clematis fruticosa f. pinnatisecta (W.T.Wang & L.Q.Li) W.T.Wang & L.Q.Li	Synonym		WCSP (in review)
Clematis fruticosa var. tomentella Maxim.	Synonym		WCSP (in review)
Clematis fruticosa var. viridis Turcz.	Synonym		WCSP (in review)
Clematis fuertesii Urb.	Synonym		WCSP (in review)
Clematis fujisanensis Hisauti & H.Hara	Synonym		WCSP (in review)
Clematis fulva Zoll. & Moritzi	Synonym		WCSP (in review)
Clematis fulvicoma Rehder & E.H.Wilson	Accepted		WCSP (in review)
Clematis fulvofurfuracea W.T.Wang	Accepted		WCSP (in review)
Clematis funebris H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis fusca Turcz.	Accepted		WCSP (in review)
Clematis fusca var. amurensis Kuntze	Synonym		WCSP (in review)
Clematis fusca var. fusca	Accepted		TRO
Clematis fusca var. glabricalyx Nakai	Synonym		WCSP (in review)
Clematis fusca var. kamtschatica (Bong.) Regel & Tiling	Synonym		TRO
Clematis fusca var. mandshurica Regel	Synonym		WCSP (in review)
Clematis fusca f. obtusifoliola Kuntze	Synonym		TRO
Clematis fusca var. violacea Maxim.	Synonym		WCSP (in review)
Clematis fusca subsp. violacea (Maxim.) Kitag.	Synonym		TRO
Clematis fusijamana (Kuntze) M.Johnson	Synonym		WCSP (in review)
Clematis gablenzii (Courtin) Rehder	Unresolved		WCSP (in review)
Clematis gagnepaniana H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis ganpiniana (H.Lév. & Vaniot) Tamura	Synonym		WCSP (in review)
Clematis ganpiniana var. subsericea (Rehder & E.H.Wilson) C.T.Ting	Synonym		WCSP (in review)
Clematis ganpiniana var. tenuisepala (Maxim.) C.T.Ting	Synonym		WCSP (in review)
Clematis garanbiensis Hayata	Synonym		WCSP (in review)
Clematis gattingeri Small	Synonym		WCSP (in review)
Clematis gebleriana Bong.	Synonym		WCSP (in review)
Clematis gentianoides DC.	Accepted		WCSP (in review)
Clematis gentianoides var. procumbens (Kuntze) Domin	Synonym		WCSP (in review)
Clematis gentianoides var. tasmanica (Kuntze) Domin	Synonym		WCSP (in review)
Clematis gialaiensis Serov	Accepted		WCSP (in review)
Clematis gilbertiana Turcz.	Synonym		WCSP (in review)
Clematis glabra DC.	Synonym		WCSP (in review)
Clematis glabrifolia K.Sun & M.S.Yan	Accepted		WCSP (in review)
Clematis glandulosa Blume	Synonym		WCSP (in review)
Clematis glauca Willd.	Accepted		WCSP (in review)
Clematis glauca Claus [Illegitimate]	Synonym		WCSP (in review)
Clematis glauca var. akebioides (Maxim.) Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis glauca var. angustifolia Ledeb.	Synonym		WCSP (in review)
Clematis glauca var. pamiralaica (Grey-Wilson) W.T. Wang	Synonym		TRO
Clematis glauca var. phaeantha (Rehder) Rehder	Synonym		WCSP (in review)
Clematis glauca f. phaeantha Rehder	Synonym		WCSP (in review)
Clematis glaucescens Fresen.	Synonym		WCSP (in review)
Clematis glaucophylla Small	Accepted		WCSP (in review)
Clematis globosa Royle	Synonym		WCSP (in review)
Clematis glycinoides DC.	Accepted		WCSP (in review)
Clematis glycinoides var. dentata Domin	Synonym		WCSP (in review)
Clematis glycinoides var. floribunda Domin	Synonym		WCSP (in review)
Clematis glycinoides var. longifoliola W.T.Wang	Synonym		WCSP (in review)
Clematis glycinoides var. submutica Benth.	Synonym		WCSP (in review)
Clematis goetzei Engl.	Synonym		WCSP (in review)
Clematis goudotiana Planch. & Triana	Synonym		WCSP (in review)
Clematis gouriana Roxb. ex DC.	Accepted		WCSP (in review)
Clematis gouriana var. finetii Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis gouriana subsp. lishanensis A.T.Y.Yang & T.C.Huang	Synonym		WCSP (in review)
Clematis gouriana var. malaiana Miq.	Synonym		WCSP (in review)
Clematis gracilifolia Rehder & E.H.Wilson	Accepted		WCSP (in review)
Clematis gracilifolia var. gracilifolia	Accepted		TRO
Clematis gracilifolia var. pentaphylla (Maxim.) W.T. Wang	Synonym		TRO
Clematis gracilifolia var. trifoliata M.F. Johnson	Synonym		TRO
Clematis gracilifolia var. trifoliolata M.Johnson	Synonym		WCSP (in review)
Clematis gracilis Edgew.	Synonym		WCSP (in review)
Clematis grahamii Benth.	Accepted		WCSP (in review)
Clematis grandidentata (Rehder & E.H.Wilson) W.T.Wang	Accepted		WCSP (in review)
Clematis grandidentata var. likiangensis (Rehder) W.T.Wang	Accepted		WCSP (in review)
Clematis grandiflora DC.	Accepted		WCSP (in review)
Clematis grandifolia (Staner & J.Léonard) M.Johnson	Accepted		WCSP (in review)
Clematis granulata (Finet & Gagnep.) Ohwi	Synonym		WCSP (in review)
Clematis grata Wall.	Accepted		WCSP (in review)
Clematis grata O.Hoffm. ex Baker	Synonym		WCSP (in review)
Clematis grata Maxim.	Synonym		TRO
Clematis grata var. argentilucida (H. Lév. & Vaniot) Rehder	Synonym		TRO
Clematis grata var. grandidentata Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis grata var. likiangensis Rehder	Synonym		WCSP (in review)
Clematis grata var. lobulata Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis grata var. ryukiuensis Tamura	Synonym		WCSP (in review)
Clematis gratopsis W.T.Wang	Accepted		WCSP (in review)
Clematis gratopsis var. integriloba W.T.Wang	Synonym		WCSP (in review)
Clematis graveolens Lindl.	Accepted		WCSP (in review)
Clematis graveolens Hook. [Illegitimate]	Synonym		WCSP (in review)
Clematis grewiiflora DC.	Accepted		WCSP (in review)
Clematis grossa Benth.	Accepted		WCSP (in review)
Clematis grossa var. striatula (DC.) W.T.Wang	Synonym		WCSP (in review)
Clematis guadeloupae Pers.	Accepted		WCSP (in review)
Clematis guadeloupae var. medusaea (Planch. & Linden ex Triana & Planch.) N. Moreno	Synonym		TRO
Clematis × guascoi Lem. & Verschaff. [Unplaced]	Unresolved		WCSP (in review)
Clematis gussonii Avellino [Unplaced]	Unresolved		WCSP (in review)
Clematis haenkeana C.Presl	Accepted		WCSP (in review)
Clematis hagiangensis N.T.Do	Accepted		WCSP (in review)
Clematis hainanensis W.T.Wang	Accepted		WCSP (in review)
Clematis hakonensis Franch. & Sav.	Synonym		WCSP (in review)
Clematis hancockiana Maxim.	Accepted		WCSP (in review)
Clematis hartwegii K.Koch	Synonym		WCSP (in review)
Clematis hastata Finet & Gagnep.	Accepted		WCSP (in review)
Clematis havanensis Kunth ex DC.	Synonym		WCSP (in review)
Clematis hayatai Kudô & Masam.	Synonym		WCSP (in review)
Clematis hedysarifolia DC.	Accepted		WCSP (in review)
Clematis hedysarifolia Lindl. [Illegitimate]	Synonym		WCSP (in review)
Clematis hefengensis G.F.Tao	Synonym		WCSP (in review)
Clematis hendersonii Steud.	Synonym		WCSP (in review)
Clematis × hendersonii Koehne [Unplaced]	Unresolved		WCSP (in review)
Clematis henryi Oliv.	Accepted		WCSP (in review)
Clematis henryi var. leptophylla Hayata	Synonym		WCSP (in review)
Clematis henryi var. mollis W.T.Wang	Synonym		WCSP (in review)
Clematis henryi var. morii (Hayata) T.Y.Yang & T.C.Huang	Accepted		WCSP (in review)
Clematis henryi var. ternata M.Y.Fang	Synonym		WCSP (in review)
Clematis henryi var. trifolia R.J.Wang	Synonym		WCSP (in review)
Clematis heracleifolia DC.	Accepted		WCSP (in review)
Clematis heracleifolia f. albicalyx D.Z.Lu	Synonym		WCSP (in review)
Clematis heracleifolia f. albiflora Y. Lee	Synonym		TRO
Clematis heracleifolia subsp. davidiana (Decne. ex Verl.) Kuntze	Synonym		TRO
Clematis heracleifolia var. davidiana (Decne. ex Verl.) Forbes & Hemsl.	Synonym		TRO
Clematis heracleifolia var. hookeri (Decne.) Makino	Synonym		TRO
Clematis heracleifolia var. ichangensis Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis heracleifolia f. rosea (Nakai) W.Lee	Synonym		WCSP (in review)
Clematis heracleifolia var. speciosa Makino	Synonym		WCSP (in review)
Clematis heracleifolia var. taiwanica S.Suzuki & Hosok.	Synonym		WCSP (in review)
Clematis heracleifolia var. tubulosa (Turcz.) Kuntze	Synonym		TRO
Clematis heracleifolia var. urticifolia (Nakai ex Kitag.) U.C.La	Accepted		WCSP (in review)
Clematis herrei H.Eichler	Accepted		WCSP (in review)
Clematis hexapetala Pall.	Accepted		WCSP (in review)
Clematis hexapetala L.f. [Illegitimate]	Synonym		WCSP (in review)
Clematis hexapetala subsp. brachystemon Kuntze	Synonym		WCSP (in review)
Clematis hexapetala f. breviloba (Freyn) Nakai	Synonym		TRO
Clematis hexapetala subsp. colensoi (Hook.f.) Kuntze	Synonym		WCSP (in review)
Clematis hexapetala f. dissecta (Yabe) Kitag.	Synonym		TRO
Clematis hexapetala var. elliptica S.Y. Hu	Synonym		TRO
Clematis hexapetala var. fawcettii (F.Muell.) Kuntze	Synonym		WCSP (in review)
Clematis hexapetala var. hexapetala	Accepted		TRO
Clematis hexapetala var. insularis S.Y. Hu	Synonym		TRO
Clematis hexapetala subsp. leptophylla (Benth.) Kuntze	Synonym		WCSP (in review)
Clematis hexapetala subsp. linearifolia (Steud.) Kuntze	Synonym		WCSP (in review)
Clematis hexapetala f. longiloba (Freyn) S.H.Li & Y.H.Huang	Synonym		WCSP (in review)
Clematis hexapetala var. longiloba (Freyn) S.Y. Hu	Synonym		TRO
Clematis hexapetala subsp. microphylla (DC.) Kuntze	Synonym		WCSP (in review)
Clematis hexapetala subsp. muelleri Kuntze	Synonym		WCSP (in review)
Clematis hexapetala var. smithiana S.Y.Hu	Synonym		WCSP (in review)
Clematis hexapetala var. tchefouensis (Debeaux) S.Y.Hu	Accepted		WCSP (in review)
Clematis hexasepala DC.	Synonym		WCSP (in review)
Clematis hexasepala Hook.f.	Misapplied		WCSP (in review)
Clematis hexasepala var. rutifolia Hook.f.	Synonym		WCSP (in review)
Clematis heynei M.A.Rau & al.	Accepted		WCSP (in review)
Clematis hilariae Kovalevsk.	Accepted		WCSP (in review)
Clematis hilarii Spreng.	Synonym		WCSP (in review)
Clematis hilarii var. guaranitida (A.St.-Hil.) A.St.-Hil. & Tul.	Synonym		WCSP (in review)
Clematis hilarii var. montevidensis (Spreng.) Speg.	Synonym		TRO
Clematis hilarii var. triloba (A. St.-Hil.) Speg.	Synonym		TRO
Clematis hillii Colenso	Synonym		WCSP (in review)
Clematis hirsuta Guill. & Perr.	Accepted		WCSP (in review)
Clematis hirsuta var. dolichopoda (Brenan) Staner & J.Léonard	Synonym		WCSP (in review)
Clematis hirsuta var. glabrescens A.Chev.	Synonym		WCSP (in review)
Clematis hirsuta var. incisodentata (A.Rich.) W.T.Wang	Synonym		WCSP (in review)
Clematis hirsuta var. junodii (Burtt Davy) W.T.Wang	Synonym		WCSP (in review)
Clematis hirsutissima Pursh	Accepted		WCSP (in review)
Clematis hirsutissima var. arizonica (A.Heller) R.O.Erickson	Synonym		WCSP (in review)
Clematis hirsutissima var. scottii (Porter) R.O.Erickson	Synonym		WCSP (in review)
Clematis hispanica Mill.	Synonym		WCSP (in review)
Clematis hoffmannii (Kuntze) Vatke ex Prantl	Unresolved		WCSP (in review)
Clematis hoffmannii Vatke	Accepted		TRO
Clematis holosericea Pursh	Synonym		WCSP (in review)
Clematis homblei De Wild.	Unresolved		WCSP (in review)
Clematis honanensis S.Y.Wang & C.L.Chang	Unresolved		WCSP (in review)
Clematis hookeri Decne.	Synonym		WCSP (in review)
Clematis hookeriana Allan [Invalid]	Synonym		WCSP (in review)
Clematis hothae Kurz	Accepted		WCSP (in review)
Clematis huchouensis Tamura	Accepted		WCSP (in review)
Clematis hupehensis Hemsl. & E.H.Wilson	Accepted		WCSP (in review)
Clematis × hybrida auct. [Unplaced]	Unresolved		WCSP (in review)
Clematis hysudrica Munro ex Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis ianthina Koehne	Accepted		WCSP (in review)
Clematis ianthina var. mandshurica (Regel) Nakai	Synonym		TRO
Clematis ianthina var. violacea (Maxim.) Nakai	Synonym		TRO
Clematis ibarensis Baker	Accepted		WCSP (in review)
Clematis ibarensis subsp. edentata (Baker) H. Perrier	Synonym		TRO
Clematis iliensis Y.S.Hou & W.H.Hou	Accepted		WCSP (in review)
Clematis incisodentata A.Rich.	Synonym		WCSP (in review)
Clematis incisodenticulata W.T.Wang	Accepted		WCSP (in review)
Clematis inclinata Scop.	Synonym		WCSP (in review)
Clematis indica B.Heyne ex Roth	Unresolved		WCSP (in review)
Clematis indivisa Willd.	Synonym		WCSP (in review)
Clematis indivisa Steud.	Synonym		WCSP (in review)
Clematis insidiosa Baill.	Accepted		WCSP (in review)
Clematis insularialpina Hayata	Synonym		WCSP (in review)
Clematis insulensis K.Koch	Synonym		WCSP (in review)
Clematis integra Vell.	Synonym		WCSP (in review)
Clematis integrifolia L.	Accepted		WCSP (in review)
Clematis integrifolia subsp. fremontii (S.Watson) Kuntze	Synonym		WCSP (in review)
Clematis integrifolia var. normalis Kuntze	Synonym		TRO
Clematis integrifolia subsp. ochroleuca (Sol. ex Aiton) Kuntze	Synonym		WCSP (in review)
Clematis integrifolia subsp. ovata (Pursh) Kuntze	Synonym		WCSP (in review)
Clematis integrifolia var. subglabra Kuntze	Synonym		WCSP (in review)
Clematis integrifolia var. tomentosa Torr. & A.Gray ex Kuntze	Synonym		WCSP (in review)
Clematis intermedia Carrière [Unplaced]	Unresolved		WCSP (in review)
Clematis intermedia Chiov.	Synonym		WCSP (in review)
Clematis intraglabra W.T.Wang	Accepted		WCSP (in review)
Clematis intricata Bunge	Accepted		WCSP (in review)
Clematis intricata var. intricata	Accepted		TRO
Clematis intricata var. phaeantha (Rehder) M.Johnson	Synonym		WCSP (in review)
Clematis intricata var. serrata (Maxim.) Kom.	Synonym		WCSP (in review)
Clematis intricata var. wilfordii (Maxim.) Kom.	Synonym		TRO
Clematis inversa Griff.	Synonym		WCSP (in review)
Clematis iochanica Ulbr.	Synonym		WCSP (in review)
Clematis iringaensis Engl.	Synonym		WCSP (in review)
Clematis ispahanica Boiss.	Accepted		WCSP (in review)
Clematis italica Schnizl. [Unplaced]	Unresolved		WCSP (in review)
Clematis ixyushuensis Tamura [Unplaced]	Unresolved		WCSP (in review)
Clematis × jackmanii T.Moore [Unplaced]	Unresolved		WCSP (in review)
Clematis japonica Thunb.	Accepted		WCSP (in review)
Clematis japonica (Houtt.) Makino [Illegitimate]	Synonym		WCSP (in review)
Clematis japonica var. brevipedicellata Makino	Synonym		WCSP (in review)
Clematis japonica var. cremea Makino	Synonym		WCSP (in review)
Clematis japonica var. obvallata Ohwi	Synonym		WCSP (in review)
Clematis japonica var. simsii Makino	Synonym		WCSP (in review)
Clematis japonica var. urophylla (Franch.) Kuntze	Synonym		TRO
Clematis javana DC.	Accepted		WCSP (in review)
Clematis javanica Steud. [Spelling variant]	Synonym		WCSP (in review)
Clematis jeypurensis Bedd. ex W.T.Wang	Accepted		WCSP (in review)
Clematis jialasaensis W.T.Wang	Accepted		WCSP (in review)
Clematis jingdungensis W.T.Wang	Accepted		WCSP (in review)
Clematis jinzhaiensis Z.W.Xue & X.W.Wang	Accepted		WCSP (in review)
Clematis jonesii Rydb.	Synonym		WCSP (in review)
Clematis × jouiniana C.K.Schneid. [Unplaced]	Unresolved		WCSP (in review)
Clematis jubata Bisch. ex Walp. [Unplaced]	Unresolved		WCSP (in review)
Clematis junghuhniana de Vriese	Synonym		WCSP (in review)
Clematis kakoulimensis Schnell	Accepted		WCSP (in review)
Clematis kamtschatica Bong.	Synonym		WCSP (in review)
Clematis kassneri Engl.	Synonym		WCSP (in review)
Clematis katangensis (Hutch.) M.Johnson	Synonym		WCSP (in review)
Clematis keilii Engl.	Synonym		WCSP (in review)
Clematis kerriana Drumm. & Craib	Synonym		WCSP (in review)
Clematis kerrii Steud.	Synonym		WCSP (in review)
Clematis khasiana (Brühl) W.T.Wang	Accepted		WCSP (in review)
Clematis kilungensis W.T.Wang & M.Y.Fang	Synonym		WCSP (in review)
Clematis kirilowii Maxim.	Accepted		WCSP (in review)
Clematis kirilowii var. chanetii (H.Lév.) Hand.-Mazz.	Accepted		WCSP (in review)
Clematis kirilowii var. kirilowii	Accepted		TRO
Clematis kirilowii var. latisepala (M.C.Chang) W.T.Wang	Synonym		WCSP (in review)
Clematis kirilowii var. pashanensis M.C.Chang	Synonym		WCSP (in review)
Clematis kirkii Oliv.	Synonym		WCSP (in review)
Clematis kissenyensis Engl.	Synonym		WCSP (in review)
Clematis kockiana C.K.Schneid.	Accepted		WCSP (in review)
Clematis kogenensis W.T.Wang	Synonym		WCSP (in review)
Clematis komaroviana Koidz.	Synonym		WCSP (in review)
Clematis komarovii Koidz. [Illegitimate]	Synonym		WCSP (in review)
Clematis koreana Kom.	Accepted		WCSP (in review)
Clematis koreana var. biternata Nakai	Accepted		WCSP (in review)
Clematis koreana var. carunculosa (Gagnep.) Tamura	Accepted		WCSP (in review)
Clematis koreana f. lutea Rehder	Synonym		WCSP (in review)
Clematis koreana var. lutea (Rehder) M.Johnson	Synonym		WCSP (in review)
Clematis koreana var. umbrosa Nakai [Unplaced]	Unresolved		WCSP (in review)
Clematis korthalsii H.Eichler	Accepted		WCSP (in review)
Clematis kousabotan Decne.	Synonym		WCSP (in review)
Clematis kuntziana H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis kweichouwensis C.Pei	Accepted		WCSP (in review)
Clematis kyushuensis Tamura	Synonym		WCSP (in review)
Clematis kyushuensis var. bipinnata Tamura	Synonym		WCSP (in review)
Clematis ladakhiana Grey-Wilson	Accepted		WCSP (in review)
Clematis laeta Salisb.	Synonym		WCSP (in review)
Clematis lancifolia Bureau & Franch.	Accepted		WCSP (in review)
Clematis lanuginosa Lindl.	Accepted		WCSP (in review)
Clematis lasiandra Maxim.	Accepted		WCSP (in review)
Clematis lasiandra var. nagasawae Hayata	Synonym		WCSP (in review)
Clematis lasiantha Fisch. [Invalid]	Synonym		WCSP (in review)
Clematis lasiantha Nutt.	Accepted		WCSP (in review)
Clematis lasiantha subsp. fallax Kuntze	Synonym		WCSP (in review)
Clematis lasiantha subsp. pauciflora (Nutt. ex Torr. & A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis lasiantha var. pauciflora (Nutt.) Kuntze	Synonym		TRO
Clematis lasiantha subsp. pseudoligusticifolia Kuntze	Synonym		WCSP (in review)
Clematis lathyrifolia Besser ex Rchb.	Synonym		WCSP (in review)
Clematis lathyrifolia Bess. ex Reichenb.	Synonym		TRO
Clematis lavallei Decne. [Unplaced]	Unresolved		WCSP (in review)
Clematis laxiflora Baker	Synonym		WCSP (in review)
Clematis laxipaniculata C.Pei	Synonym		WCSP (in review)
Clematis laxistrigosa (W.T.Wang & M.C.Chang) W.T.Wang	Accepted		WCSP (in review)
Clematis leiocarpa Oliv.	Synonym		WCSP (in review)
Clematis leptomera Hance	Synonym		WCSP (in review)
Clematis leptophylla (F.Muell.) H.Eichler	Accepted		WCSP (in review)
Clematis leschenaultiana DC.	Accepted		WCSP (in review)
Clematis leschenaultiana var. angustifolia Hayata	Synonym		WCSP (in review)
Clematis leschenaultiana var. denticulata Merr.	Synonym		TRO
Clematis leschenaultiana var. fulva (Zoll. & Moritzi) Kuntze	Synonym		WCSP (in review)
Clematis leschenaultiana var. rubifolia (C.H.Wright) W.T.Wang	Synonym		WCSP (in review)
Clematis leschenaultiana var. subglabrifolia Merr.	Synonym		WCSP (in review)
Clematis liaotungensis Kitag.	Unresolved		WCSP (in review)
Clematis liboensis Z.R.Xu	Accepted		WCSP (in review)
Clematis ligusticifolia Nutt.	Accepted		WCSP (in review)
Clematis ligusticifolia var. angustifolia W.T.Wang	Synonym		WCSP (in review)
Clematis ligusticifolia var. bracteata Torr.	Synonym		WCSP (in review)
Clematis ligusticifolia var. brevifolia Nutt.	Synonym		WCSP (in review)
Clematis ligusticifolia var. californica S.Watson	Synonym		WCSP (in review)
Clematis limprichtii Ulbr.	Synonym		WCSP (in review)
Clematis linearifolia Steud.	Accepted		WCSP (in review)
Clematis linearifoliola W.T.Wang	Accepted		WCSP (in review)
Clematis lineariloba DC.	Synonym		WCSP (in review)
Clematis lineariloba (Hutch. & Summerh.) W.T. Wang	Synonym		TRO
Clematis lingyunensis W.T.Wang	Accepted		WCSP (in review)
Clematis liukiuensis Warb.	Synonym		WCSP (in review)
Clematis liuzhouensis Y.G.Wei & C.R. Lin	Unresolved		TRO
Clematis loasifolia DC.	Synonym		WCSP (in review)
Clematis loasifolia D.Don	Synonym		WCSP (in review)
Clematis longicauda Steud. ex A.Rich.	Accepted		WCSP (in review)
Clematis longicaudata Ledeb.	Synonym		WCSP (in review)
Clematis longifoliolata Kuntze	Synonym		WCSP (in review)
Clematis longiloba DC.	Synonym		WCSP (in review)
Clematis longipes Freyn	Accepted		WCSP (in review)
Clematis longipes Engl. [Illegitimate]	Synonym		WCSP (in review)
Clematis longisepala Hayata	Synonym		WCSP (in review)
Clematis longistyla Hand.-Mazz.	Accepted		WCSP (in review)
Clematis loureiroana DC.	Accepted		WCSP (in review)
Clematis loureiroana var. peltata W.T.Wang	Synonym		WCSP (in review)
Clematis loureiroana var. subpeltata (Wall.) Hand.-Mazz.	Synonym		WCSP (in review)
Clematis lugnignu De Wild.	Synonym		WCSP (in review)
Clematis lugubris Salisb.	Synonym		WCSP (in review)
Clematis luloni K.Koch	Synonym		WCSP (in review)
Clematis lushuiensis W.T. Wang	Accepted		TRO
Clematis lutchuensis Koidz.	Synonym		WCSP (in review)
Clematis macgregorii Merr.	Accepted		WCSP (in review)
Clematis macropetala Ledeb.	Accepted		WCSP (in review)
Clematis macropetala var. albiflora (Maxim. ex Kuntze) Hand.-Mazz.	Accepted		WCSP (in review)
Clematis macropetala var. puniciflora Y.Z.Zhao	Synonym		WCSP (in review)
Clematis macropetala f. rupestris (Turcz. ex Kuntze) Kitag.	Synonym		WCSP (in review)
Clematis macropetala var. rupestris (Turcz. ex Kuntze) Hand.-Mazz.	Synonym		WCSP (in review)
Clematis macrophylla (J.Raynal) W.T.Wang	Accepted		WCSP (in review)
Clematis magniflora Hoffmanns. [Unplaced]	Unresolved		WCSP (in review)
Clematis mairei H.Lév. [Unplaced]	Unresolved		WCSP (in review)
Clematis malacoclada W.T.Wang	Accepted		WCSP (in review)
Clematis malacocoma W.T.Wang	Accepted		WCSP (in review)
Clematis maldonadensis Larrañaga	Synonym		WCSP (in review)
Clematis mandschurensis K.Koch	Synonym		WCSP (in review)
Clematis mandshurica Rupr.	Synonym		TRO
Clematis maniana	Unresolved		TRO
Clematis manipurensis (Brühl) W.T.Wang	Accepted		WCSP (in review)
Clematis manshurica Rupr.	Unresolved		WCSP (in review)
Clematis marata Armstr.	Accepted		WCSP (in review)
Clematis maritima L.	Synonym		WCSP (in review)
Clematis marmoraria Sneddon	Accepted		WCSP (in review)
Clematis martini H.Lév.	Synonym		WCSP (in review)
Clematis mashanensis W.T.Wang	Accepted		WCSP (in review)
Clematis massoniana DC.	Synonym		WCSP (in review)
Clematis massoniana Maxim. [Illegitimate]	Synonym		WCSP (in review)
Clematis matsumurana Y.Yabe	Synonym		WCSP (in review)
Clematis mauritiana Lam.	Accepted		WCSP (in review)
Clematis mauritiana var. coriacea Kuntze	Synonym		WCSP (in review)
Clematis mauritiana subsp. humilis Kuntze	Synonym		WCSP (in review)
Clematis mauritiana var. humilis (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis mauritiana subsp. laxiflora (Baker) Kuntze	Synonym		WCSP (in review)
Clematis mauritiana var. laxiflora (Baker) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis mauritiana var. sonneratii Pers.	Synonym		WCSP (in review)
Clematis mauritiana subsp. strigillosa (Baker) Kuntze	Synonym		WCSP (in review)
Clematis mauritiana var. strigillosa (Baker) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis mauritiana var. sulfurea R.Vig. & Perrier	Synonym		WCSP (in review)
Clematis mauritiana var. sulfurea R. Vig. & H. Perrier	Synonym		TRO
Clematis maximowicziana Franch. & Sav.	Synonym		WCSP (in review)
Clematis maximowicziana var. robusta (Carrière) Nakai	Synonym		TRO
Clematis mechowiana Kuntze	Synonym		WCSP (in review)
Clematis medusaea Planch. & Linden	Synonym		WCSP (in review)
Clematis mendocina Phil.	Synonym		WCSP (in review)
Clematis menglaensis M.C.Chang	Accepted		WCSP (in review)
Clematis methifolia Hook.	Accepted		WCSP (in review)
Clematis metouensis M.Y.Fang	Accepted		WCSP (in review)
Clematis meyeniana Walp.	Accepted		WCSP (in review)
Clematis meyeniana var. granulata Finet & Gagnep.	Accepted		WCSP (in review)
Clematis meyeniana var. insularis Sprague	Synonym		WCSP (in review)
Clematis meyeniana f. major Sprague	Synonym		TRO
Clematis meyeniana var. meyeniana	Accepted		TRO
Clematis meyeniana var. pavoliniana (Pamp.) Sprague	Synonym		TRO
Clematis meyeniana f. retusa Sprague	Synonym		TRO
Clematis micrantha Small	Synonym		WCSP (in review)
Clematis microcuspis Baker	Accepted		WCSP (in review)
Clematis microphylla DC.	Accepted		WCSP (in review)
Clematis microphylla var. colorata F.M.Bailey	Synonym		WCSP (in review)
Clematis microphylla var. fawcettii (F.Muell.) F.M.Bailey	Synonym		WCSP (in review)
Clematis microphylla var. leptophylla F.Muell.	Synonym		WCSP (in review)
Clematis microphylla var. linearifolia (Steud.) Ostenf.	Synonym		WCSP (in review)
Clematis microphylla var. muelleri (Kuntze) Domin	Synonym		WCSP (in review)
Clematis microphylla var. occidentalis Benth.	Synonym		WCSP (in review)
Clematis microphylla f. stenosepala Domin	Synonym		WCSP (in review)
Clematis millefoliata Eichler	Accepted		WCSP (in review)
Clematis minggangiana W.T.Wang	Synonym		WCSP (in review)
Clematis minor Lour.	Synonym		WCSP (in review)
Clematis missouriensis Rydb.	Synonym		WCSP (in review)
Clematis mociniana G.Don	Synonym		WCSP (in review)
Clematis moisseenkoi (Serov) W.T.Wang	Accepted		WCSP (in review)
Clematis moisseenkoi (Serov) Grey-Wilson	Synonym		TRO
Clematis mollissima (Hallier f.) H.Eichler	Accepted		WCSP (in review)
Clematis monstrosa K.Koch	Synonym		WCSP (in review)
Clematis montana Buch.-Ham. ex DC.	Accepted		WCSP (in review)
Clematis montana D.Don [Illegitimate]	Synonym		WCSP (in review)
Clematis montana var. anemoniflora Kuntze	Synonym		WCSP (in review)
Clematis montana var. batangensis Finet	Synonym		WCSP (in review)
Clematis montana subsp. bissetii Kuntze	Synonym		WCSP (in review)
Clematis montana var. brevifoliola Kuntze	Accepted		WCSP (in review)
Clematis montana var. brevipedunculata Kuntze	Synonym		WCSP (in review)
Clematis montana var. chumbica Brühl	Synonym		WCSP (in review)
Clematis montana var. edentata Kuntze	Synonym		WCSP (in review)
Clematis montana var. fasciculiflora (Franch.) Brühl	Synonym		TRO
Clematis montana var. glabrescens (H.F.Comber) W.T.Wang & M.C.Chang	Accepted		WCSP (in review)
Clematis montana var. grandiflora Hook.	Accepted		WCSP (in review)
Clematis montana var. incisa Kuntze	Synonym		WCSP (in review)
Clematis montana var. intermedia Brühl	Synonym		WCSP (in review)
Clematis montana var. khasiana Brühl	Synonym		WCSP (in review)
Clematis montana var. manipurensis Brühl	Synonym		WCSP (in review)
Clematis montana var. obtusisepala Kuntze	Synonym		WCSP (in review)
Clematis montana var. pentaphylla Maxim.	Synonym		WCSP (in review)
Clematis montana f. platysepala Rehder & E.H. Wilson	Synonym		TRO
Clematis montana var. potaninii (Maxim.) Finet & Gagnep.	Synonym		TRO
Clematis montana subsp. praecox Kuntze	Synonym		WCSP (in review)
Clematis montana var. praecox (Kuntze) Brühl	Accepted		WCSP (in review)
Clematis montana var. pubescens Kuntze	Synonym		WCSP (in review)
Clematis montana var. sericea Franch. ex Finet & Gagnep.	Synonym		WCSP (in review)
Clematis montana subsp. sinchungica Kuntze	Synonym		WCSP (in review)
Clematis montana var. tongluensis Bruehl	Synonym		WCSP (in review)
Clematis montana var. trichogyna M.C.Chang	Synonym		WCSP (in review)
Clematis montana var. uniflora Kuntze	Synonym		WCSP (in review)
Clematis montana var. wilsonii Spreng.	Accepted		WCSP (in review)
Clematis montevidensis Spreng.	Synonym		WCSP (in review)
Clematis montevidensis var. denticulata (Vell.) Bacigalupo	Synonym		WCSP (in review)
Clematis morefieldii Kral	Accepted		WCSP (in review)
Clematis × morelii Rehder [Unplaced]	Unresolved		WCSP (in review)
Clematis morii Hayata	Synonym		WCSP (in review)
Clematis multiflora (H.F.Comber) W.T.Wang	Synonym		WCSP (in review)
Clematis multistriata H.Eichler	Accepted		WCSP (in review)
Clematis munroiana Wight	Accepted		WCSP (in review)
Clematis nagaensis W.T.Wang	Accepted		WCSP (in review)
Clematis nainitalensis W.T.Wang	Accepted		WCSP (in review)
Clematis nannophylla Maxim.	Accepted		WCSP (in review)
Clematis nannophylla var. bifoliata Y.P.Hsu	Synonym		WCSP (in review)
Clematis nannophylla var. nannophylla	Accepted		TRO
Clematis nannophylla var. pinnatisecta W.T.Wang & L.Q.Li	Synonym		WCSP (in review)
Clematis napaulensis DC.	Accepted		WCSP (in review)
Clematis napoensis W.T.Wang	Accepted		WCSP (in review)
Clematis naravelioides Kuntze	Synonym		WCSP (in review)
Clematis neomexicana Wooton & Standl.	Synonym		WCSP (in review)
Clematis nepalensis Royle	Synonym		WCSP (in review)
Clematis nervata Benth.	Synonym		WCSP (in review)
Clematis ningjingshanica W.T.Wang	Accepted		WCSP (in review)
Clematis nobilis Nakai	Accepted		WCSP (in review)
Clematis noronhiana DC.	Synonym		WCSP (in review)
Clematis novocaledoniaensis W.T.Wang	Accepted		WCSP (in review)
Clematis nukiangensis M.Y.Fang	Accepted		WCSP (in review)
Clematis nutans Crantz	Synonym		WCSP (in review)
Clematis nutans Royle [Illegitimate]	Synonym		WCSP (in review)
Clematis nutans var. aethusifolia (Turcz.) Kuntze	Synonym		TRO
Clematis nutans var. pseudoconnata Kuntze	Synonym		WCSP (in review)
Clematis nutans var. thyrsoidea Rehder & E.H. Wilson	Synonym		TRO
Clematis nuttalii K.Koch	Synonym		WCSP (in review)
Clematis obliqua (Small) C.K. Schneid.	Accepted		TRO
Clematis obscura Maxim.	Accepted		WCSP (in review)
Clematis obtusidentata (Rehder & E.H.Wilson) H.Eichler	Synonym		WCSP (in review)
Clematis obtusifolia R.Br. ex W.T.Wang	Accepted		WCSP (in review)
Clematis obvallata (Ohwi) Tamura	Accepted		WCSP (in review)
Clematis occidentalis (Hornem.) DC.	Accepted		WCSP (in review)
Clematis occidentalis A.Cunn. ex Hook. [Invalid]	Synonym		WCSP (in review)
Clematis occidentalis var. albiflora Cockerell	Synonym		WCSP (in review)
Clematis occidentalis var. dissecta (C.L.Hitchc.) J.S.Pringle	Synonym		WCSP (in review)
Clematis occidentalis var. grosseserrata (Rydb.) J.S.Pringle	Accepted		WCSP (in review)
Clematis occidentalis subsp. grosseserrata (Rydb.) R.L.Taylor & MacBryde	Synonym		WCSP (in review)
Clematis ochotensis (Pall.) Poir.	Synonym		WCSP (in review)
Clematis ochotensis f. apiciflora H.Hara	Synonym		WCSP (in review)
Clematis ochotensis f. fauriei (H.Boissieu) Kadota	Synonym		WCSP (in review)
Clematis ochotensis var. fauriei (H.Boissieu) Murai	Synonym		WCSP (in review)
Clematis ochotensis var. japonica Nakai ex H.Hara	Synonym		WCSP (in review)
Clematis ochotensis var. subtriternata (Nakai) U.C.La	Synonym		WCSP (in review)
Clematis ochotensis var. tenuifolia (Nakai) U.C.La	Synonym		WCSP (in review)
Clematis ochotensis var. tenuifolia (Nakai) Tamura	Synonym		TRO
Clematis ochotensis var. ternata Nakai	Synonym		WCSP (in review)
Clematis ochotensis var. triphylla Ohwi	Synonym		WCSP (in review)
Clematis ochroleuca Aiton	Accepted		WCSP (in review)
Clematis ochroleuca var. fremontii (S.Watson) J.James	Synonym		WCSP (in review)
Clematis ochroleuca var. ovata (Pursh) Wherry	Synonym		WCSP (in review)
Clematis ochroleuca var. sericea (Michx.) Wherry	Synonym		WCSP (in review)
Clematis odontophylla Gand.	Synonym		WCSP (in review)
Clematis odora Wender. [Unplaced]	Unresolved		WCSP (in review)
Clematis odorata Wall. ex Steud. [Unplaced]	Unresolved		WCSP (in review)
Clematis okinawensis Ohwi	Synonym		WCSP (in review)
Clematis okinawensis var. trichocarpa (Tamura) Tamura	Synonym		WCSP (in review)
Clematis oligantha Nakai [Unplaced]	Unresolved		WCSP (in review)
Clematis oligocarpa H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis oligophylla Hook.	Accepted		WCSP (in review)
Clematis oliveri Kuntze	Synonym		WCSP (in review)
Clematis orbiculata Correll	Synonym		WCSP (in review)
Clematis oreophila Hance	Synonym		WCSP (in review)
Clematis orientalis L.	Accepted		WCSP (in review)
Clematis orientalis var. acutifolia Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis orientalis var. aitchisonii Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. akebioides Maxim.	Synonym		WCSP (in review)
Clematis orientalis var. albida (Klotzsch) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. baluchistanica Grey-Wilson	Synonym		WCSP (in review)
Clematis orientalis var. bolusiana Kuntze	Synonym		WCSP (in review)
Clematis orientalis subsp. brachiata (Thunb.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis subsp. brachiata (Thunb.) H. Perrier	Synonym		TRO
Clematis orientalis var. brevifoliola Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. daurica (Pers.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. flava (Moench) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. glabrescens Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. glauca Maxim.	Synonym		TRO
Clematis orientalis f. glaucescens (Fresen.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. glaucescens (Fresen.) Engl.	Synonym		WCSP (in review)
Clematis orientalis var. globosa (Royle) Mukerjee	Synonym		WCSP (in review)
Clematis orientalis subsp. graveolens (Lindl.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. hindukushensis Grey-Wilson	Synonym		WCSP (in review)
Clematis orientalis var. hoffmannii Kuntze	Synonym		WCSP (in review)
Clematis orientalis f. incisodentata (A.Rich.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. intricata (Bunge) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. intricata (Bunge) Maxim.	Synonym		TRO
Clematis orientalis var. latifolia Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis orientalis var. longicaudata (Ledeb.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. longifoliola Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. longifoliolata Tamura	Synonym		WCSP (in review)
Clematis orientalis f. massoniana (DC.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. microcuspis (Baker) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. orientalis	Accepted		TRO
Clematis orientalis subsp. oweniae (Harv.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. pauciflora Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. robusta Grey-Wilson	Synonym		WCSP (in review)
Clematis orientalis var. robusta W.T.Wang [Illegitimate]	Synonym		WCSP (in review)
Clematis orientalis var. roschanica Korsh.	Synonym		WCSP (in review)
Clematis orientalis var. serrata Maxim.	Synonym		WCSP (in review)
Clematis orientalis subsp. simensis (Fresen.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis subsp. simensis (Fresen.) H. Perrier	Synonym		TRO
Clematis orientalis var. sinorobusta W.T.Wang	Synonym		WCSP (in review)
Clematis orientalis var. subglabra Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. subtripinnata Kuntze	Synonym		WCSP (in review)
Clematis orientalis var. tangutica Maxim.	Synonym		WCSP (in review)
Clematis orientalis var. tenuifolia (Royle) Grey-Wilson	Synonym		WCSP (in review)
Clematis orientalis var. uniflora Tamura	Synonym		WCSP (in review)
Clematis orientalis subsp. wightiana (Wall. ex Wight & Arn.) Kuntze	Synonym		WCSP (in review)
Clematis orientalis subsp. wightiana (Wall.) H. Perrier	Accepted		TRO
Clematis orientalis var. wilfordii Maxim.	Synonym		WCSP (in review)
Clematis ornithopus Ulbr.	Synonym		WCSP (in review)
Clematis orveniae Harvey & Sonder	Synonym		TRO
Clematis otophora Franch. ex Finet & Gagnep.	Accepted		WCSP (in review)
Clematis otophora var. longnanensis K.Sun & M.S.Yan	Synonym		WCSP (in review)
Clematis otophora var. nanensis K. Sun & M.S. Yan	Synonym		TRO
Clematis ovata Pursh	Synonym		WCSP (in review)
Clematis ovatifolia Ito ex Maxim.	Synonym		WCSP (in review)
Clematis owatarii Hayata	Synonym		WCSP (in review)
Clematis oweniae Harv.	Synonym		WCSP (in review)
Clematis oweniae var. junodii Burtt Davy	Synonym		WCSP (in review)
Clematis pallasii J.F.Gmel.	Synonym		WCSP (in review)
Clematis pallida A.Rich.	Synonym		WCSP (in review)
Clematis palmeri N.E.Rose	Synonym		WCSP (in review)
Clematis pamiralaica Grey-Wilson	Accepted		WCSP (in review)
Clematis paniculata J.F.Gmel.	Accepted		WCSP (in review)
Clematis paniculata Thunb. [Illegitimate]	Synonym		WCSP (in review)
Clematis paniculata Hayata	Synonym		TRO
Clematis paniculata var. denticulata Nakai	Synonym		WCSP (in review)
Clematis paniculata var. dioscoreifolia (H. Lév. & Vaniot) Rehder	Accepted		TRO
Clematis papillosa H.Eichler	Accepted		WCSP (in review)
Clematis papuasica Merr. & L.M.Perry	Accepted		WCSP (in review)
Clematis papuligera Ohwi	Accepted		WCSP (in review)
Clematis parkinsoniana Colenso	Synonym		WCSP (in review)
Clematis parviflora DC.	Synonym		WCSP (in review)
Clematis parviflora Nutt. [Illegitimate]	Synonym		WCSP (in review)
Clematis parviflora A.Cunn. [Illegitimate]	Synonym		WCSP (in review)
Clematis parvifolia Edgew.	Synonym		WCSP (in review)
Clematis parvifolia Hook.f. & Thomson	Synonym		WCSP (in review)
Clematis parvifrons Ulbr.	Synonym		WCSP (in review)
Clematis parviloba Gardner & Champ.	Accepted		WCSP (in review)
Clematis parviloba subsp. bartlettii (Yamam.) T.Y.A.Yang & T.C.Huang	Synonym		WCSP (in review)
Clematis parviloba var. bartlettii (Yamam.) W.T.Wang	Accepted		WCSP (in review)
Clematis parviloba var. ganpiniana (H. Lév. & Vaniot) Rehder	Synonym		TRO
Clematis parviloba var. glabrescens Finet & Gagnep.	Synonym		WCSP (in review)
Clematis parviloba subsp. pierotii (Miq.) Kuntze	Synonym		WCSP (in review)
Clematis parviloba subsp. puberula (Hook. f. & Thomson) Kuntze	Synonym		TRO
Clematis parviloba var. tenuipes (W.T.Wang) C.T.Ting	Synonym		WCSP (in review)
Clematis pashanensis (M.C.Chang) W.T.Wang	Accepted		WCSP (in review)
Clematis pashanensis var. latisepala (M.C.Chang) W.T.Wang	Accepted		WCSP (in review)
Clematis pashanensis var. pashanensis (M.C. Chang)	Synonym		TRO
Clematis patens C.Morren & Decne.	Accepted		WCSP (in review)
Clematis patens f. alba Makino	Synonym		WCSP (in review)
Clematis patens f. coerulescens Makino	Synonym		WCSP (in review)
Clematis patens var. gablenzii Courtin	Synonym		WCSP (in review)
Clematis patens var. sophia Van Houtte	Synonym		WCSP (in review)
Clematis patens subsp. tientaiensis M.Y.Fang	Accepted		WCSP (in review)
Clematis patens var. tientaiensis (M.Y.Fang) W.T.Wang	Synonym		WCSP (in review)
Clematis pauciflora Nutt.	Accepted		WCSP (in review)
Clematis pavoliniana Pamp.	Synonym		WCSP (in review)
Clematis pedicellata (DC.) Sweet	Synonym		WCSP (in review)
Clematis pensylvanica Donn ex Turcz.	Synonym		WCSP (in review)
Clematis perrieri H.Lév.	Accepted		WCSP (in review)
Clematis perrieri var. parvifolia H. Lév.	Synonym		TRO
Clematis perspicuinervia Merr. & L.M.Perry	Synonym		WCSP (in review)
Clematis perulata Kuntze	Synonym		WCSP (in review)
Clematis peruviana DC.	Accepted		WCSP (in review)
Clematis peruviana var. andina Ball	Synonym		WCSP (in review)
Clematis petelotii Gagnep.	Synonym		WCSP (in review)
Clematis peterae Hand.-Mazz.	Accepted		WCSP (in review)
Clematis peterae var. lishanensis (A.T.Y.Yang & T.C.Huang) W.T.Wang	Accepted		WCSP (in review)
Clematis peterae var. mollis W.T. Wang	Synonym		TRO
Clematis peterae var. peterae	Accepted		TRO
Clematis petersiana Klotzsch	Synonym		WCSP (in review)
Clematis petriei Allan	Accepted		WCSP (in review)
Clematis phanerophlebia Merr. & L.M.Perry	Accepted		WCSP (in review)
Clematis phaseolifolia W.T.Wang	Synonym		WCSP (in review)
Clematis philippiana H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis phlebantha L.H.J.Williams	Accepted		WCSP (in review)
Clematis pianmaensis W.T.Wang	Accepted		WCSP (in review)
Clematis picardae Urb.	Synonym		WCSP (in review)
Clematis pickeringii A.Gray	Accepted		WCSP (in review)
Clematis pickeringii var. novoguineensis Merr. & L.M.Perry	Synonym		WCSP (in review)
Clematis pierotii Miq.	Accepted		WCSP (in review)
Clematis pierotii auct. [Illegitimate]	Synonym		WCSP (in review)
Clematis pilosa Dulac	Synonym		WCSP (in review)
Clematis pimpinellifolia Hook.	Accepted		WCSP (in review)
Clematis pimpinellifolia var. pseudoscabiosifolia (H.Perrier) W.T.Wang	Synonym		WCSP (in review)
Clematis pinchuanensis W.T.Wang & M.Y.Fang	Accepted		WCSP (in review)
Clematis pinchuanensis var. tomentosa (Finet & Gagnep.) W.T.Wang	Accepted		WCSP (in review)
Clematis pinetorum Tidestr.	Synonym		WCSP (in review)
Clematis pingbianensis W.T.Wang	Accepted		WCSP (in review)
Clematis pinnata Maxim.	Accepted		WCSP (in review)
Clematis pinnata var. tatarinowii (Maxim.) Kuntze	Synonym		TRO
Clematis pinnata var. ternatifolia W.T.Wang	Synonym		WCSP (in review)
Clematis pitcheri Torr. & A.Gray	Accepted		WCSP (in review)
Clematis pitcheri Sarg. ex Lavallée [Illegitimate]	Synonym		WCSP (in review)
Clematis pitcheri var. bigelovii (Torr.) B.L.Rob.	Synonym		WCSP (in review)
Clematis pitcheri var. coloradoensis (Buckley) Lavallée	Synonym		WCSP (in review)
Clematis pitcheri var. dictyota (Greene) W.M.Dennis	Accepted		WCSP (in review)
Clematis pitcheri var. filifera (Benth.) B.L.Rob.	Synonym		WCSP (in review)
Clematis pitcheri var. filifera (Benth.) R.O. Erickson	Synonym		TRO
Clematis pitcheri f. lasiostylis A.Gray	Synonym		WCSP (in review)
Clematis pitcheri f. leiostylis A.Gray	Synonym		WCSP (in review)
Clematis planmaensis W.T. Wang	Unresolved		TRO
Clematis plattensis A.Nelson [Unplaced]	Unresolved		WCSP (in review)
Clematis platysepala (Trautv. & C.A.Mey.) Hand.-Mazz.	Synonym		WCSP (in review)
Clematis plukenetii DC.	Accepted		WCSP (in review)
Clematis pogonandra Maxim.	Accepted		WCSP (in review)
Clematis poizatii Lavallée	Unresolved		WCSP (in review)
Clematis polycephala Bertol.	Synonym		WCSP (in review)
Clematis polygama Jacq.	Accepted		WCSP (in review)
Clematis polymorpha Viv.	Synonym		WCSP (in review)
Clematis polypetala Poir. [Unplaced]	Unresolved		WCSP (in review)
Clematis polypetala DC.	Synonym		WCSP (in review)
Clematis populifolia Turcz.	Accepted		WCSP (in review)
Clematis populifolia var. goudotiana (Triana & Planch.) W.T.Wang	Synonym		WCSP (in review)
Clematis potaninii Maxim.	Accepted		WCSP (in review)
Clematis potaninii var. fargesii (Franch.) Hand.-Mazz.	Synonym		TRO
Clematis prattii Hemsl.	Synonym		WCSP (in review)
Clematis prostrata Hutch. [Invalid]	Synonym		WCSP (in review)
Clematis pseudo-orientalis Kuntze	Synonym		WCSP (in review)
Clematis pseudoalpina (Kuntze) A.Nelson	Synonym		WCSP (in review)
Clematis pseudoalpina var. tenuiloba (A.Gray) A.Nelson	Synonym		WCSP (in review)
Clematis pseudoatragene Kuntze	Synonym		WCSP (in review)
Clematis pseudoatragene subsp. pseudoalpina Kuntze	Synonym		WCSP (in review)
Clematis pseudoatragene var. pseudoalpina Kuntze	Synonym		TRO
Clematis pseudoatragene subsp. subtriternata Kuntze	Synonym		WCSP (in review)
Clematis pseudoatragene subsp. wenderothioides Kuntze	Synonym		WCSP (in review)
Clematis × pseudococcinea C.K.Schneid. [Unplaced]	Unresolved		WCSP (in review)
Clematis pseudoflammula Schmalh. ex Lipsky	Accepted		WCSP (in review)
Clematis pseudograndiflora Kuntze	Synonym		WCSP (in review)
Clematis pseudokoreana R.J.Im & U.C.La	Accepted		WCSP (in review)
Clematis pseudomicrophylla Kuntze [Invalid]	Synonym		WCSP (in review)
Clematis pseudootophora M.Y.Fang	Accepted		WCSP (in review)
Clematis pseudootophora var. integra W.T.Wang	Synonym		WCSP (in review)
Clematis pseudopogonandra Finet & Gagnep.	Accepted		WCSP (in review)
Clematis pseudopogonandra var. paucidenta Finet & Gagnep.	Synonym		TRO
Clematis pseudoscabiosifolia H.Perrier	Accepted		WCSP (in review)
Clematis pseudoscabiosifolia var. sericeopannosa (W.T.Wang) W.T.Wang	Accepted		WCSP (in review)
Clematis psilandra Kitag.	Accepted		WCSP (in review)
Clematis pterantha Dunn	Accepted		WCSP (in review)
Clematis pterantha var. grossedentata Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis puberula Hook.f. & Thomson	Accepted		WCSP (in review)
Clematis puberula var. ganpiniana (H.Lév. & Vaniot) W.T.Wang	Accepted		WCSP (in review)
Clematis puberula var. puberula	Accepted		TRO
Clematis puberula var. subsericea (Rehder & E.H.Wilson) W.T.Wang	Accepted		WCSP (in review)
Clematis puberula var. tenuisepala (Maxim.) W.T.Wang	Accepted		WCSP (in review)
Clematis pubescens Hügel ex Endl.	Accepted		WCSP (in review)
Clematis pubescens Benth. [Illegitimate]	Synonym		WCSP (in review)
Clematis pubipes (W.T.Wang) W.T.Wang	Synonym		WCSP (in review)
Clematis pulchella Pers.	Synonym		WCSP (in review)
Clematis punduana Wall. [Invalid]	Synonym		WCSP (in review)
Clematis purshii D.Dietr.	Synonym		WCSP (in review)
Clematis pycnocoma W.T.Wang	Accepted		WCSP (in review)
Clematis qingchengshanica W.T.Wang	Accepted		WCSP (in review)
Clematis quadribracteolata Colenso	Accepted		WCSP (in review)
Clematis queenslandica W.T.Wang	Accepted		WCSP (in review)
Clematis quinquefoliolata Hutch.	Accepted		WCSP (in review)
Clematis ranunculoides Franch.	Accepted		WCSP (in review)
Clematis ranunculoides var. grossedentata (Rehder & E.H. Wilson) Hand.-Mazz.	Synonym		TRO
Clematis ranunculoides var. pterantha (Dunn) M.Y.Fang	Synonym		WCSP (in review)
Clematis ranunculoides var. ranunculoides	Accepted		TRO
Clematis ranunculoides var. tomentosa Finet & Gagnep.	Synonym		WCSP (in review)
Clematis recta L.	Accepted		WCSP (in review)
Clematis recta var. canescens (Turcz.) Kuntze	Synonym		WCSP (in review)
Clematis recta subsp. kirilowii (Maxim.) Kuntze	Synonym		TRO
Clematis recta f. lancifolia Nakai	Synonym		WCSP (in review)
Clematis recta var. mandshurica (Rupr.) Maxim.	Synonym		TRO
Clematis recta subsp. nannophylla (Maxim.) Kuntze	Synonym		TRO
Clematis recta subsp. songarica (Bunge) Kuntze	Synonym		TRO
Clematis recta var. uncinata (Champ. ex Benth.) Kuntze	Synonym		TRO
Clematis rehderiana Craib	Accepted		WCSP (in review)
Clematis repens Finet & Gagnep.	Accepted		WCSP (in review)
Clematis reticulata Walter	Accepted		WCSP (in review)
Clematis retusifolia J.Q.Fu & S.B.Ho	Synonym		WCSP (in review)
Clematis revoluta Desf.	Synonym		WCSP (in review)
Clematis revoluta Steud.	Synonym		WCSP (in review)
Clematis rhodocarpa Rose	Accepted		WCSP (in review)
Clematis rhodocarpoides W.T.Wang	Accepted		WCSP (in review)
Clematis rhodochlora André [Unplaced]	Unresolved		WCSP (in review)
Clematis rigoi W.T.Wang	Accepted		WCSP (in review)
Clematis robertsiana Aitch. & Hemsl.	Accepted		WCSP (in review)
Clematis rosea Sm.	Synonym		WCSP (in review)
Clematis rosea Lavallée	Synonym		WCSP (in review)
Clematis roylei Rehder	Accepted		WCSP (in review)
Clematis rubella Pers.	Synonym		WCSP (in review)
Clematis rubifolia C.H.Wright	Accepted		WCSP (in review)
Clematis × rubroviolacea Van Houtte [Unplaced]	Unresolved		WCSP (in review)
Clematis rufa Rose	Accepted		WCSP (in review)
Clematis rutoides W.T.Wang	Accepted		WCSP (in review)
Clematis salsuginea Bunge ex W.T.Wang	Synonym		WCSP (in review)
Clematis sanderi Watts	Synonym		WCSP (in review)
Clematis sapinii De Wild.	Synonym		WCSP (in review)
Clematis sarezica Ikonn.	Accepted		WCSP (in review)
Clematis sargentii Lavallée	Synonym		WCSP (in review)
Clematis sasakii Shimizu	Synonym		WCSP (in review)
Clematis satomiana Kadota	Accepted		WCSP (in review)
Clematis savatieri Decne.	Synonym		WCSP (in review)
Clematis saxicola Hils. & Bojer ex Baill.	Synonym		TRO
Clematis scabiosifolia DC.	Synonym		WCSP (in review)
Clematis scandens Borkh.	Synonym		WCSP (in review)
Clematis schillingii K.Koch	Synonym		WCSP (in review)
Clematis schinziana Engl. & Gilg [Unplaced]	Unresolved		WCSP (in review)
Clematis sclerophylla W.T.Wang	Accepted		WCSP (in review)
Clematis scottii Porter	Accepted		WCSP (in review)
Clematis scottii var. eriophora (Rydb.) Tidestr.	Synonym		WCSP (in review)
Clematis × secondaireana Sennen [Unplaced]	Unresolved		WCSP (in review)
Clematis seemannii Kuntze	Accepted		WCSP (in review)
Clematis semitriloba Lag.	Synonym		WCSP (in review)
Clematis sepium Lam.	Synonym		WCSP (in review)
Clematis sericea Michx.	Synonym		WCSP (in review)
Clematis sericea Kunth ex DC. [Illegitimate]	Synonym		WCSP (in review)
Clematis sericea Kunth	Synonym		TRO
Clematis sericea var. costata DC.	Synonym		WCSP (in review)
Clematis sericea var. striatula DC.	Synonym		WCSP (in review)
Clematis sericea var. tereticaula DC.	Synonym		TRO
Clematis sericea var. tereticaulis DC.	Synonym		WCSP (in review)
Clematis sericeopannosa W.T.Wang	Synonym		WCSP (in review)
Clematis serrata (Maxim.) Kom.	Synonym		WCSP (in review)
Clematis serratifolia Rehder	Accepted		WCSP (in review)
Clematis serratifolia f. wilfordii (Maxim.) Kitag.	Synonym		WCSP (in review)
Clematis shenlungchiaensis M.Y.Fang	Accepted		WCSP (in review)
Clematis shensiensis W.T.Wang	Accepted		WCSP (in review)
Clematis siamensis Drumm. & Craib	Accepted		WCSP (in review)
Clematis siamensis var. andersonii (Brühl) W.T.Wang	Synonym		WCSP (in review)
Clematis siamensis var. clarkei (Kuntze) W.T.Wang	Accepted		WCSP (in review)
Clematis siamensis var. monantha (W.T.Wang & L.Q.Li) W.T.Wang & L.Q.Li	Accepted		WCSP (in review)
Clematis siamensis var. siamensis	Accepted		TRO
Clematis sibirica (L.) Mill.	Synonym		WCSP (in review)
Clematis sibirica var. iliensis (Y.S.Hou & W.H.Hou) J.G.Liu	Synonym		WCSP (in review)
Clematis sibirica var. ochotensis (Pall.) S.H.Li & Y.H.Huang	Synonym		WCSP (in review)
Clematis sibirica var. tianschanica (Pavlov) M.Johnson	Synonym		WCSP (in review)
Clematis sibirica var. tianzhuensis M.S.Yan & K.Sun	Synonym		WCSP (in review)
Clematis sibiricoides Nakai	Synonym		WCSP (in review)
Clematis sichotealinensis Ulanova	Accepted		WCSP (in review)
Clematis sieboldii D.Don ex Steud.	Synonym		WCSP (in review)
Clematis sigensis Engl.	Synonym		WCSP (in review)
Clematis sikkimensis (Hook.f. & Thomson) Drumm. ex Burkill	Synonym		WCSP (in review)
Clematis sikkimensis var. clarkei (Kuntze) W.T.Wang	Synonym		WCSP (in review)
Clematis sikkimensis var. monantha W.T.Wang & L.Q.Li	Synonym		WCSP (in review)
Clematis simensis Fresen.	Accepted		WCSP (in review)
Clematis simensis f. glabrescens De Wild.	Synonym		WCSP (in review)
Clematis simensis var. kilimandscharica Engl.	Synonym		WCSP (in review)
Clematis simensis var. ruwenzoriensis De Wild.	Synonym		WCSP (in review)
Clematis simplicifolia Qureshi & Chaudhri	Accepted		WCSP (in review)
Clematis simsii Sweet	Synonym		WCSP (in review)
Clematis simsii var. chrysocarpa Kuntze	Synonym		WCSP (in review)
Clematis simsii subsp. filifera (Benth.) Kuntze	Synonym		WCSP (in review)
Clematis simsii subsp. lobata Kuntze	Synonym		WCSP (in review)
Clematis simsii var. micrantha Kuntze	Synonym		WCSP (in review)
Clematis simsii subsp. pitcheri (Torr. & A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis simsii var. sargentii (Lavallée) K.C.Davis	Synonym		WCSP (in review)
Clematis sinensis Lour.	Synonym		WCSP (in review)
Clematis sinii W.T.Wang	Accepted		WCSP (in review)
Clematis smilacifolia Wall.	Accepted		WCSP (in review)
Clematis smilacifolia var. andersonii C.B.Clarke ex Kunze	Synonym		WCSP (in review)
Clematis smilacifolia var. angustifolia Tamura	Synonym		WCSP (in review)
Clematis smilacifolia var. chrysocarpa Kuntze	Synonym		WCSP (in review)
Clematis smilacifolia var. coriacea Kuntze	Synonym		WCSP (in review)
Clematis smilacifolia subsp. glandulosa (Blume) Kuntze	Synonym		WCSP (in review)
Clematis smilacifolia var. grandiflora Craib	Synonym		WCSP (in review)
Clematis smilacifolia subsp. munroiana (Wight) Kuntze	Synonym		WCSP (in review)
Clematis smilacifolia var. peltata (W.T.Wang) W.T.Wang	Accepted		WCSP (in review)
Clematis smilacifolia var. stipulata Miq.	Synonym		WCSP (in review)
Clematis smilacifolia var. subpeltata (Wall.) Kuntze	Synonym		WCSP (in review)
Clematis smilacifolia var. zollingeri (Turcz.) Kuntze	Synonym		WCSP (in review)
Clematis smilacina Blume	Synonym		WCSP (in review)
Clematis socialis Kral	Accepted		WCSP (in review)
Clematis songarica Siev. ex Steud.	Synonym		WCSP (in review)
Clematis songorica Bunge	Accepted		WCSP (in review)
Clematis songorica var. asplenifolia (Schrenk) Trautv.	Accepted		WCSP (in review)
Clematis songorica var. intermedia Trautv.	Synonym		TRO
Clematis songorica var. songorica	Accepted		TRO
Clematis sonneratii Pers.	Synonym		WCSP (in review)
Clematis souliei Franch. ex Finet & Gagnep.	Synonym		TRO
Clematis spathulifolia (Kuntze) Prantl	Accepted		WCSP (in review)
Clematis speciosa (Makino) Makino	Accepted		WCSP (in review)
Clematis speciosa Hutch. [Illegitimate]	Synonym		WCSP (in review)
Clematis spectabilis Palib. [Unplaced]	Unresolved		WCSP (in review)
Clematis splendens H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis spooneri Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis spooneri var. subglabra S.Y.Hu	Synonym		WCSP (in review)
Clematis staintonii W.T.Wang	Accepted		WCSP (in review)
Clematis standishii Van Houtte	Synonym		WCSP (in review)
Clematis stanleyi Hook.	Unresolved		WCSP (in review)
Clematis stanleyi var. hirsuta (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis stanleyi var. pubescens (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis stanleyi var. tomentosa (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis stans Siebold & Zucc.	Accepted		WCSP (in review)
Clematis stans var. austrojaponensis (Ohwi) Ohwi	Accepted		WCSP (in review)
Clematis stenanthera H.Eichler	Accepted		WCSP (in review)
Clematis stenopetala R.Br. ex DC.	Synonym		WCSP (in review)
Clematis stenophylla Fraser ex Hook.	Synonym		WCSP (in review)
Clematis stenosepala DC.	Synonym		WCSP (in review)
Clematis stewartiae Burtt Davy	Synonym		WCSP (in review)
Clematis stewartiae var. wilmsii Burtt Davy	Synonym		WCSP (in review)
Clematis stipulata Kuntze	Synonym		WCSP (in review)
Clematis stolzii Engl.	Synonym		WCSP (in review)
Clematis striata Raf. [Unplaced]	Unresolved		WCSP (in review)
Clematis stricta Wender. [Unplaced]	Unresolved		WCSP (in review)
Clematis strigillosa Baker	Accepted		WCSP (in review)
Clematis strobeliana Ces. [Unplaced]	Unresolved		WCSP (in review)
Clematis stronachii Hance	Synonym		WCSP (in review)
Clematis stuhlmannii Hieron.	Synonym		WCSP (in review)
Clematis suaveolens Salisb.	Synonym		WCSP (in review)
Clematis subfalcata S.J.Pei ex M.Y.Fang	Synonym		WCSP (in review)
Clematis subfalcata var. pubipes W.T.Wang	Synonym		WCSP (in review)
Clematis subfalcata var. stenophylla (Hand.-Mazz.) W.T.Wang	Synonym		WCSP (in review)
Clematis subpeltata Wall.	Synonym		WCSP (in review)
Clematis substipulata Kuntze	Synonym		WCSP (in review)
Clematis subtriflora Walp.	Synonym		WCSP (in review)
Clematis subtriloba Nees ex G.Don	Accepted		WCSP (in review)
Clematis subtriternata Nakai	Accepted		WCSP (in review)
Clematis subtriternata var. tenuifolia Nakai	Synonym		WCSP (in review)
Clematis subumbellata Kurz	Accepted		WCSP (in review)
Clematis suksdorfii Rob.	Synonym		WCSP (in review)
Clematis sulcata Wall. [Invalid]	Synonym		WCSP (in review)
Clematis sumatrana Ridl.	Synonym		WCSP (in review)
Clematis taeguensis Y.N.Lee	Accepted		WCSP (in review)
Clematis taiwaniana Hayata	Synonym		WCSP (in review)
Clematis taiwaniana var. ryukiuensis (Tamura) Tamura	Synonym		WCSP (in review)
Clematis takedana Makino	Accepted		WCSP (in review)
Clematis tamurae T.Y.A.Yang & T.C.Huang	Accepted		WCSP (in review)
Clematis tangutica (Maxim.) Korsh.	Accepted		WCSP (in review)
Clematis tangutica var. mongolica (Grey-Wilson) W.T.Wang	Synonym		WCSP (in review)
Clematis tangutica subsp. mongolica Grey-Wilson	Accepted		WCSP (in review)
Clematis tangutica var. obtusiuscula Rehder & E.H.Wilson	Synonym		WCSP (in review)
Clematis tangutica subsp. obtusiuscula (Rehder & E.H.Wilson) Grey-Wilson	Synonym		WCSP (in review)
Clematis tashiroi Maxim.	Accepted		WCSP (in review)
Clematis tatarinowii Maxim.	Synonym		WCSP (in review)
Clematis taurica Besser ex Nyman	Synonym		WCSP (in review)
Clematis tengchongensis W.T. Wang	Accepted		TRO
Clematis tenii Ulbr. [Unplaced]	Unresolved		WCSP (in review)
Clematis tenuiflora DC.	Synonym		WCSP (in review)
Clematis tenuifolia Poir.	Synonym		WCSP (in review)
Clematis tenuifolia Royle	Synonym		WCSP (in review)
Clematis tenuiloba (A.Gray) C.L.Hitchc.	Synonym		WCSP (in review)
Clematis tenuimarginata H.Eichler	Accepted		WCSP (in review)
Clematis tenuipes W.T.Wang	Accepted		WCSP (in review)
Clematis teretipes W.T.Wang	Accepted		WCSP (in review)
Clematis ternata Makino	Synonym		WCSP (in review)
Clematis terniflora DC.	Accepted		WCSP (in review)
Clematis terniflora var. boninensis (Hayata) W.T.Wang	Synonym		WCSP (in review)
Clematis terniflora f. denticulata (Nakai) W.Lee	Synonym		WCSP (in review)
Clematis terniflora var. denticulata (Nakai) U.C.La	Synonym		WCSP (in review)
Clematis terniflora var. garanbiensis (Hayata) M.C.Chang	Accepted		WCSP (in review)
Clematis terniflora var. lancifolia (Nakai) U.C.La	Synonym		WCSP (in review)
Clematis terniflora var. latisepala M.C.Chang	Synonym		WCSP (in review)
Clematis terniflora var. mandshurica (Rupr.) Ohwi	Accepted		TRO
Clematis terniflora var. robusta T.S. Liu & C.F. Hsieh	Synonym		TRO
Clematis terniflora var. robusta (Carrière) Tamura	Synonym		TRO
Clematis terniflora var. terniflora	Accepted		TRO
Clematis ternifolia var. manshurica (Rupr.) Ohwi	Unresolved		WCSP (in review)
Clematis tessen Hassk.	Synonym		WCSP (in review)
Clematis teuszii (Kuntze) Engl.	Accepted		WCSP (in review)
Clematis texensis Buckley	Accepted		WCSP (in review)
Clematis texensis var. major (Bean) Rehder	Synonym		WCSP (in review)
Clematis texensis f. major (Bean) Rehder	Synonym		WCSP (in review)
Clematis texensis var. parviflora Lavallée	Synonym		WCSP (in review)
Clematis thaiana Tamura	Accepted		WCSP (in review)
Clematis thaimontana Tamura	Synonym		WCSP (in review)
Clematis thalictrifolia Engl.	Accepted		WCSP (in review)
Clematis thalictroides Steud.	Accepted		WCSP (in review)
Clematis theobromina Dunn	Accepted		WCSP (in review)
Clematis thunbergii Steud.	Synonym		WCSP (in review)
Clematis thunbergii var. angustisecta Engl.	Synonym		WCSP (in review)
Clematis thunbergii var. congensis A.Chev.	Synonym		WCSP (in review)
Clematis thunbergii var. glabrescens (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis thunbergii var. microcuspis (Baker) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis thunbergii var. pauciflora (Kuntze) T.Durand & Schinz	Synonym		WCSP (in review)
Clematis tibestica Quézel	Synonym		WCSP (in review)
Clematis tibetana Kuntze	Accepted		WCSP (in review)
Clematis tibetana subsp. brevipes (Tamura) Yonek.	Synonym		WCSP (in review)
Clematis tibetana var. lineariloba W.T.Wang	Synonym		WCSP (in review)
Clematis tibetana var. pamiralaica (Grey-Wilson) W.T.Wang	Synonym		WCSP (in review)
Clematis tibetana subsp. tangutica (Maxim.) Brandenb.	Synonym		TRO
Clematis tibetana subsp. vernayi (C.E.C.Fisch.) Grey-Wilson	Synonym		WCSP (in review)
Clematis tibetana var. vernayi (C.E.C.Fisch.) Grey-Wilson	Accepted		WCSP (in review)
Clematis tibetana var. vernayi (C.E.C. Fisch.) W.T. Wang	Synonym		TRO
Clematis tinghuensis C.T.Ting	Accepted		WCSP (in review)
Clematis tomentella (Maxim.) W.T.Wang & L.Q.Li	Accepted		WCSP (in review)
Clematis tongluensis (Brühl) Tamura	Accepted		WCSP (in review)
Clematis tortuosa Wall. ex C.E.C.Fisch.	Accepted		WCSP (in review)
Clematis tosaensis Makino	Accepted		WCSP (in review)
Clematis tournefortii DC.	Accepted		WCSP (in review)
Clematis tozanensis Hayata	Synonym		WCSP (in review)
Clematis transiens Gand.	Synonym		WCSP (in review)
Clematis traversiana Kuntze	Synonym		WCSP (in review)
Clematis trichocarpa Tamura	Synonym		WCSP (in review)
Clematis trichotoma Nakai	Accepted		WCSP (in review)
Clematis trifida Hook.	Accepted		WCSP (in review)
Clematis triflora Vahl	Synonym		WCSP (in review)
Clematis trifoliata Thunb. [Unplaced]	Unresolved		WCSP (in review)
Clematis triloba Thunb.	Synonym		WCSP (in review)
Clematis triloba B.Heyne ex Roth [Illegitimate]	Synonym		WCSP (in review)
Clematis triloba A.St.-Hil. [Illegitimate]	Synonym		WCSP (in review)
Clematis triloba var. congensis (A.Chev.) M.Johnson	Synonym		WCSP (in review)
Clematis triloba var. guaranitica A.St.-Hil.	Synonym		WCSP (in review)
Clematis trinervis Buch.-Ham. ex DC.	Synonym		WCSP (in review)
Clematis tripartita W.T.Wang	Accepted		WCSP (in review)
Clematis × triternata DC.	Unresolved		WCSP (in review)
Clematis × troutbeckiana Spingarn [Unplaced]	Unresolved		WCSP (in review)
Clematis trullifera (Franch.) Finet & Gagnep.	Synonym		WCSP (in review)
Clematis tsaii W.T.Wang	Accepted		WCSP (in review)
Clematis tsengiana F.P.Metcalf	Synonym		WCSP (in review)
Clematis tsugetorum Ohwi	Accepted		WCSP (in review)
Clematis tuaensis H.Eichler ex W.T.Wang	Accepted		WCSP (in review)
Clematis tubulosa Turcz.	Synonym		WCSP (in review)
Clematis tubulosa Hook.f.	Synonym		WCSP (in review)
Clematis tubulosa f. albicalyx (D.Z.Lu) W.T.Wang	Synonym		WCSP (in review)
Clematis tubulosa var. davidiana (Decne. ex Verl.) Franch.	Synonym		TRO
Clematis tubulosa var. hookeri (Decne.) Hook. f.	Synonym		TRO
Clematis tubulosa var. ichangensis (Rehder & E.H.Wilson) W.T.Wang	Synonym		WCSP (in review)
Clematis tubulosa var. rosea Nakai	Synonym		WCSP (in review)
Clematis × tunbridgensis Lavallée [Unplaced]	Unresolved		WCSP (in review)
Clematis tunisiatica W.T.Wang	Accepted		WCSP (in review)
Clematis turkestanica M.Johnson	Synonym		WCSP (in review)
Clematis turyusanensis U.C.La & Chae G.Chen	Accepted		WCSP (in review)
Clematis uhehensis Engl.	Accepted		WCSP (in review)
Clematis ulbrichiana Pilg.	Accepted		WCSP (in review)
Clematis umbellifera Gagnep.	Synonym		WCSP (in review)
Clematis umbraticola Schur	Synonym		WCSP (in review)
Clematis uncinata Champ. ex Benth.	Accepted		WCSP (in review)
Clematis uncinata var. biternata W.T.Wang	Synonym		WCSP (in review)
Clematis uncinata var. coriacea Pamp.	Synonym		WCSP (in review)
Clematis uncinata var. floribunda Hayata	Synonym		WCSP (in review)
Clematis uncinata var. okinawensis (Ohwi) Ohwi	Accepted		WCSP (in review)
Clematis uncinata var. ovatifolia (Ito ex Maxim.) Ohwi	Synonym		WCSP (in review)
Clematis uncinata var. ovatifolia (T. Itô ex Maxim.) Ohwi ex Tamura	Synonym		TRO
Clematis uncinata var. taitongensis Y.C.Liu & C.H.Ou	Synonym		WCSP (in review)
Clematis uncinata var. uncinata	Accepted		TRO
Clematis uniflora Balb.	Synonym		WCSP (in review)
Clematis urophylla Franch.	Accepted		WCSP (in review)
Clematis urophylla var. heterophylla H.Lév.	Synonym		WCSP (in review)
Clematis urophylla var. obtusiuscula C.K. Schneid.	Synonym		TRO
Clematis urticifolia Nakai ex Kitag.	Synonym		WCSP (in review)
Clematis uruboensis Lourteig	Accepted		WCSP (in review)
Clematis uruguayensis Arechav.	Synonym		WCSP (in review)
Clematis vaniotii H.Lév. & C.E.Porter	Accepted		WCSP (in review)
Clematis variifolia W.T.Wang	Accepted		WCSP (in review)
Clematis × vedrariensis J.Vilm. [Unplaced]	Unresolved		WCSP (in review)
Clematis veitchiana Craib	Synonym		WCSP (in review)
Clematis velutina Edgew.	Synonym		WCSP (in review)
Clematis venosa Royle	Synonym		WCSP (in review)
Clematis venusta M.C.Chang	Accepted		WCSP (in review)
Clematis vermifuga Rojas Acosta [Unplaced]	Unresolved		WCSP (in review)
Clematis vernayi C.E.C.Fisch.	Synonym		WCSP (in review)
Clematis versicolor Small	Accepted		WCSP (in review)
Clematis versicolor f. pubescens Steyerm.	Synonym		WCSP (in review)
Clematis verticillaris DC.	Synonym		WCSP (in review)
Clematis verticillaris var. cacuminis Fernald	Synonym		WCSP (in review)
Clematis verticillaris var. columbiana (Nutt.) A.Gray	Synonym		WCSP (in review)
Clematis verticillaris var. grandiflora B.Boivin	Synonym		WCSP (in review)
Clematis vietnamensis W.T.Wang & N.T.Do	Accepted		WCSP (in review)
Clematis villosa DC.	Accepted		WCSP (in review)
Clematis villosa B.M.Yang [Illegitimate]	Synonym		WCSP (in review)
Clematis villosa f. acutiloba Welw. ex Hiern	Synonym		WCSP (in review)
Clematis villosa subsp. anethifolia (Hook.) Kuntze	Unresolved		WCSP (in review)
Clematis villosa var. angolensis Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. argentea Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. backeri Kuntze	Synonym		WCSP (in review)
Clematis villosa f. bojeri (Hook.) Kuntze	Synonym		TRO
Clematis villosa var. brevifolia Kuntze	Unresolved		WCSP (in review)
Clematis villosa subsp. emirnensis Kuntze	Synonym		WCSP (in review)
Clematis villosa var. hildebrandtii Kuntze	Synonym		WCSP (in review)
Clematis villosa var. hirsuta Kuntze	Synonym		WCSP (in review)
Clematis villosa var. kirkii (Oliv.) Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. kirkii (Oliv.) Brummitt	Accepted		WCSP (in review)
Clematis villosa var. normalis	Synonym		TRO
Clematis villosa f. obtusiloba Hiern	Synonym		WCSP (in review)
Clematis villosa subsp. oligophylla (Hook.) Kuntze	Synonym		TRO
Clematis villosa subsp. oliveri (Hutch.) Brummitt	Synonym		WCSP (in review)
Clematis villosa var. poggei Kuntze	Synonym		WCSP (in review)
Clematis villosa var. pubescens Kuntze	Synonym		WCSP (in review)
Clematis villosa var. scabiosifolia (DC.) Kuntze	Synonym		TRO
Clematis villosa subsp. schinziana Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. spathulifolia Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. stanleyi (Hook.) Kuntze	Accepted		WCSP (in review)
Clematis villosa f. stenophylla Hiern	Synonym		WCSP (in review)
Clematis villosa var. stipulata Kuntze	Synonym		WCSP (in review)
Clematis villosa var. teuszii Kuntze	Synonym		WCSP (in review)
Clematis villosa var. tomentosa Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. trifida (Hook.) Kuntze	Synonym		WCSP (in review)
Clematis villosa subsp. villosa	Accepted		TRO
Clematis violacea A.DC. [Unplaced]	Unresolved		WCSP (in review)
Clematis viorna L.	Accepted		WCSP (in review)
Clematis viorna subsp. coccinea (Engelm. ex A.Gray) Kuntze	Synonym		WCSP (in review)
Clematis viorna var. flaccida (Small) R.O.Erickson	Synonym		WCSP (in review)
Clematis viorna var. flavida Kuntze	Synonym		WCSP (in review)
Clematis viorna var. membranacea Kuntze	Synonym		WCSP (in review)
Clematis viorna var. obtusifoliola Kuntze	Synonym		WCSP (in review)
Clematis viorna var. parviflora (Lavallée) Kuntze	Synonym		WCSP (in review)
Clematis viorna var. pitcheri (Torr. & A.Gray) J.James	Synonym		WCSP (in review)
Clematis viorna subsp. reticulata (Walter) Kuntze	Synonym		WCSP (in review)
Clematis viorna var. sargentii (Lavallée) Kuntze	Synonym		WCSP (in review)
Clematis viorna var. segreziensis Kuntze	Synonym		WCSP (in review)
Clematis × viornioides Britton [Unplaced]	Unresolved		WCSP (in review)
Clematis viornoides Schrad. ex Steud.	Synonym		WCSP (in review)
Clematis virginiana L.	Accepted		WCSP (in review)
Clematis virginiana Lour. [Illegitimate]	Synonym		WCSP (in review)
Clematis virginiana var. bracteata (Moench) DC.	Synonym		WCSP (in review)
Clematis virginiana var. campestris (A.St.-Hil.) Macloskie	Synonym		WCSP (in review)
Clematis virginiana var. catesbyana (Pursh) Britton	Synonym		WCSP (in review)
Clematis virginiana var. cordata (Pursh) Kuntze	Synonym		WCSP (in review)
Clematis virginiana var. dioica (L.) Kuntze	Synonym		WCSP (in review)
Clematis virginiana subsp. dioica (L.) Voss	Synonym		WCSP (in review)
Clematis virginiana var. missouriensis (Rydb.) E.J.Palmer & Steyerm.	Synonym		WCSP (in review)
Clematis virginiana f. missouriensis (Rydb.) Fernald	Synonym		WCSP (in review)
Clematis virginiana f. paucidentata Kuntze	Synonym		WCSP (in review)
Clematis virginiana subsp. sericea Voss	Synonym		WCSP (in review)
Clematis virginica Thunb.	Synonym		WCSP (in review)
Clematis viridiflora Bertol.	Accepted		WCSP (in review)
Clematis viridis (W.T.Wang & M.C.Chang) W.T.Wang	Accepted		WCSP (in review)
Clematis virosa Steud. [Unplaced]	Unresolved		WCSP (in review)
Clematis vitalba L.	Accepted		WCSP (in review)
Clematis vitalba var. acuminatissima Kuntze	Synonym		WCSP (in review)
Clematis vitalba var. angustiloba Schur	Synonym		WCSP (in review)
Clematis vitalba var. angustisecta Gremli	Synonym		WCSP (in review)
Clematis vitalba var. argentilucida H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis vitalba var. bannatica Wierzb. ex Rchb.	Synonym		WCSP (in review)
Clematis vitalba subsp. brevicaudata (DC.) Kuntze	Synonym		TRO
Clematis vitalba var. cordata Schur	Synonym		WCSP (in review)
Clematis vitalba subsp. cumingii Kuntze	Synonym		WCSP (in review)
Clematis vitalba var. ganpiniana H.Lév. & Vaniot	Synonym		WCSP (in review)
Clematis vitalba subsp. gouriana (Roxb. ex DC.) Kuntze	Synonym		TRO
Clematis vitalba var. gouriana (Roxb. ex DC.) Finet & Gagnep.	Synonym		TRO
Clematis vitalba subsp. grata (Wall.) Kuntze	Synonym		TRO
Clematis vitalba var. grata (Maxim.) Finet & Gagnep.	Accepted		TRO
Clematis vitalba var. integra DC.	Synonym		WCSP (in review)
Clematis vitalba var. micrantha H. Lév. & Vaniot	Synonym		TRO
Clematis vitalba var. microcarpa Franch.	Synonym		WCSP (in review)
Clematis vitalba var. mollissima Hallier	Synonym		WCSP (in review)
Clematis vitalba var. simplicifolia Godet	Synonym		WCSP (in review)
Clematis vitalba var. syriaca Boiss.	Synonym		WCSP (in review)
Clematis vitalba var. timbali Drabble	Synonym		WCSP (in review)
Clematis viticaulis Steele	Accepted		WCSP (in review)
Clematis viticella L.	Accepted		WCSP (in review)
Clematis viticella var. campaniflora (Brot.) Willk.	Synonym		WCSP (in review)
Clematis viticella subsp. campaniflora (Brot.) Kuntze	Synonym		WCSP (in review)
Clematis viticella subsp. crispa (L.) Kuntze	Synonym		WCSP (in review)
Clematis viticella f. gigantiflora Kuntze	Synonym		WCSP (in review)
Clematis viticella var. leiostylis Kuntze	Synonym		WCSP (in review)
Clematis viticella var. lineariloba (DC.) Kuntze	Synonym		WCSP (in review)
Clematis viticella subsp. revoluta (Desf.) Kuntze	Synonym		WCSP (in review)
Clematis viticella subsp. scandens Kuntze	Synonym		WCSP (in review)
Clematis viticella var. scandens (Kuntze) Fiori	Synonym		WCSP (in review)
Clematis viticella f. scandens (Kuntze) Pamp.	Synonym		WCSP (in review)
Clematis viticella subsp. sibthorpii Kuntze	Synonym		WCSP (in review)
Clematis viticella subsp. walteri (Pursh) Kuntze	Synonym		WCSP (in review)
Clematis vitifolia Wall. [Invalid]	Synonym		WCSP (in review)
Clematis wallichii W.T.Wang	Accepted		WCSP (in review)
Clematis walteri Pursh	Synonym		WCSP (in review)
Clematis wattii Drumm. & Craib	Accepted		WCSP (in review)
Clematis welwitschii Hiern ex Kuntze	Accepted		WCSP (in review)
Clematis wenderothii (Schltdl.) Steud.	Synonym		WCSP (in review)
Clematis wenshanensis W.T.Wang	Accepted		WCSP (in review)
Clematis wenxianensis W.T.Wang	Accepted		WCSP (in review)
Clematis wightiana Wall. ex Wight & Arn.	Synonym		WCSP (in review)
Clematis wightiana Wall.	Synonym		TRO
Clematis wightiana var. gallaensis Engl.	Synonym		WCSP (in review)
Clematis wightiana var. pilosissima Engl.	Synonym		WCSP (in review)
Clematis wilfordii (Maxim.) Kom.	Synonym		WCSP (in review)
Clematis williamsii A.Gray	Accepted		WCSP (in review)
Clematis wissmanniana Hand.-Mazz.	Accepted		WCSP (in review)
Clematis wutangensis W.T. Wang	Synonym		TRO
Clematis wyethii Nutt.	Synonym		WCSP (in review)
Clematis xiangguiensis W.T.Wang	Accepted		WCSP (in review)
Clematis xinhuiensis R.J.Wang	Accepted		WCSP (in review)
Clematis yingtzulinia S.S.Ying	Synonym		WCSP (in review)
Clematis yuanjiangensis W.T.Wang	Accepted		WCSP (in review)
Clematis yui W.T.Wang	Accepted		WCSP (in review)
Clematis yunnanensis Franch.	Accepted		WCSP (in review)
Clematis yunnanensis var. brevipedunculata W.T.Wang	Synonym		WCSP (in review)
Clematis yunnanensis var. chingtungensis M.Y.Fang	Synonym		WCSP (in review)
Clematis zaireensis W.T.Wang	Accepted		WCSP (in review)
Clematis zandaensis W.T.Wang	Accepted		WCSP (in review)
Clematis zanzebarica Sweet	Synonym		WCSP (in review)
Clematis zanzibarensis Bojer ex Loudon [Invalid]	Synonym		WCSP (in review)
Clematis zemuensis W.W.Sm.	Accepted		WCSP (in review)
Clematis zeylanica Poir.	Unresolved		WCSP (in review)
Clematis zhejiangensis R.J.Wang	Accepted		WCSP (in review)
Clematis zollingeri Turcz.	Synonym		WCSP (in review)
Clematis zygophylla Hand.-Mazz.	Accepted		WCSP (in review)