| Hydrocotyle abbreviata A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle abyssinica Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle aconitifolia A.Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle acuminata Urb. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle acuminata var. acuminata | Synonym |  | TRO |  | 
	
		| Hydrocotyle acuminata var. boliviana Kuntze | Synonym |  | TRO |  | 
	
		| Hydrocotyle acutifolia Ruiz & Pav. | Accepted |  | TRO |  | 
	
		| Hydrocotyle acutiloba (F.Muell.) N.A.Wakef. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle adoensis Hochst. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle affinis Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle alata A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle alchemilloides A. Rich. | Accepted |  | TRO |  | 
	
		| Hydrocotyle algida N.A.Wakef. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle alpestris Gardner | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle alpina Vell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle alpina Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle alsophila Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle ambigua Pursh | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ambigua Britton, Sterns & Poggenb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle americana L. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle americana var. heteromeria (A.Rich.) Kirk | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle americana var. monticola (Hook. f.) Hiern | Synonym |  | TRO |  | 
	
		| Hydrocotyle amoena Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle andina Cuatrec. | Accepted |  | TRO |  | 
	
		| Hydrocotyle apiifolia A.Cunn. ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle apolobambensis M.Mend. & A. Fuentes | Accepted |  | TRO |  | 
	
		| Hydrocotyle araucana Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle araucana var. patagonica Speg. | Synonym |  | TRO |  | 
	
		| Hydrocotyle arbuscula Schltr. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle aristeguietae Mathias & Constance | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle artensis Montrouz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle asiatica L. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle asiatica var. floridana J.M.Coult. & Rose | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle asiatica var. monantha F.Muell. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle asterias Cham. & Schltdl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle australis J.M. Coult. & Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle barbarosa Cham. & Schltdl. | Unresolved |  | TRO |  | 
	
		| Hydrocotyle barbarossae Cham. & Schltdl. | Unresolved |  | TRO |  | 
	
		| Hydrocotyle batrachioides DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle batrachium Hance | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle benguetensis Elmer | Accepted |  | TRO |  | 
	
		| Hydrocotyle biflora P. Vell. | Synonym |  | TRO |  | 
	
		| Hydrocotyle bipinnata Raf. ex Muhl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle blepharocarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle boliviana (Kuntze) Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle bonariensis Comm. ex Lam. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle bonariensis var. multiflora (Lam.) Don | Synonym |  | TRO |  | 
	
		| Hydrocotyle bonariensis var. texana J.M. Coult. & Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle bonariensis var. tribotrys (Ruiz & Pav.) DC. | Accepted |  | TRO |  | 
	
		| Hydrocotyle bonplandii A.Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle bonplandii var. bonplandii | Synonym |  | TRO |  | 
	
		| Hydrocotyle bonplandii var. filipes (Griseb.) Pérez-Mor. | Synonym |  | TRO |  | 
	
		| Hydrocotyle bowlesioides Mathias & Constance | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle brachystachya DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle bracteata DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle bradei Rossbach | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle brasiliensis Scheidw. ex Otto & F. Dietr. | Synonym |  | TRO |  | 
	
		| Hydrocotyle brevipedata St. Lager & St.-Lag. | Synonym |  | TRO |  | 
	
		| Hydrocotyle brevipes DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle brittonii Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle bulbosa Eaton & Wright | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle bupleurifolia A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle burmanica Kurz | Accepted |  | TRO |  | 
	
		| Hydrocotyle burmanica subsp. chinensis (Dunn ex Shan & S.L. Liou) C.Y. Wu & F.T. Pu | Synonym |  | TRO |  | 
	
		| Hydrocotyle burmanica subsp. craibii (H. Eichler) C.Y. Wu & F.T. Pu | Synonym |  | TRO |  | 
	
		| Hydrocotyle burmanica subsp. forrestii (H. Wolff) C.Y. Wu & F.T. Pu | Synonym |  | TRO |  | 
	
		| Hydrocotyle burmanica subsp. handelii (H. Wolff ex Hand.-Mazz.) C.Y. Wu & F.T. Pu | Synonym |  | TRO |  | 
	
		| Hydrocotyle caffra Meisn. | Synonym |  | TRO |  | 
	
		| Hydrocotyle calcicola Y.H. Li | Accepted |  | TRO |  | 
	
		| Hydrocotyle callicarpa Bunge | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle callicephala Cham. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle callicephala Urb. | Accepted |  | TRO |  | 
	
		| Hydrocotyle callicephala var. hirtella Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle calliodus Cham. & Schltdl. | Synonym |  | TRO |  | 
	
		| Hydrocotyle canbyi J.M. Coult. & Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle candollei F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle capensis Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle capillaris F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle capitata Thouars | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle capitata Willd. ex Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle capitata Banks & Sol. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cardiophylla H. Wolff | Synonym |  | TRO |  | 
	
		| Hydrocotyle carrerae Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle centella Cham. & Schltdl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ceratocarpa W.Fitzg. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle chamaemorus Cham. & Schltdl. | Accepted |  | TRO |  | 
	
		| Hydrocotyle chamaemorus var. chamaemorus | Synonym |  | TRO |  | 
	
		| Hydrocotyle chamaemorus var. citriodora (Ruiz & Pav.) Reiche | Synonym |  | TRO |  | 
	
		| Hydrocotyle chamaemorus var. valdiviana Reiche | Synonym |  | TRO |  | 
	
		| Hydrocotyle changanensis X.C.Du & Y.Ren | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle chevalieri (Cherm.) Tardieu | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle chiangdaoensis Murata | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle chilensis Phil.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle chinensis L. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle citriodora Ruiz & Pav. | Synonym |  | TRO |  | 
	
		| Hydrocotyle colorata Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle communis DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle comocarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle compacta A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle composita Pursh | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle concinna Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle conferta Wight | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle confusa H.Wolff | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle cordata Walter | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cordifolia Hook. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle corynophora F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle costaricensis Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle craibii H. Eichler | Synonym |  | TRO |  | 
	
		| Hydrocotyle crassiuscula Tate | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle crinita Thouars ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cryptocarpa Speg. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle cuatrecasasii Mathias & Constance | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cuneata J.M. Coult. & Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle cuspidata Willd. ex Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cussonii Montrouz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cymbalaria Benth. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle cymbalarifolia Muhl. | Synonym |  | TRO |  | 
	
		| Hydrocotyle dahlgrenii Rose & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Hydrocotyle debilis Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle delicata Elmer | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle densiflora DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle dentata A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle diantha DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle dichondrifolia A.Cunn. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle dichondroides Makino | Accepted |  | TRO |  | 
	
		| Hydrocotyle dielsiana H. Wolff | Accepted |  | TRO |  | 
	
		| Hydrocotyle difformis Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle digitata A.R.Bean & Henwood | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle dipleura A.R.Bean | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle dissecta Hook.f. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle domingensis Mathias & Constance | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle dregeana Sond. | Synonym |  | TRO |  | 
	
		| Hydrocotyle dux Vell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle eccentrica Britton | Synonym |  | TRO |  | 
	
		| Hydrocotyle echinella Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle ecostata Collett & Hemsl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle elegans A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle elongata A.Cunn. ex Hook.f. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle elongata var. echinella (Colenso) Kirk | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle emarginata Vell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle erecta L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle eriantha A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle eriantha var. glabrata Sond. | Synonym |  | TRO |  | 
	
		| Hydrocotyle exigua Malme | Accepted |  | TRO |  | 
	
		| Hydrocotyle falcata Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle feaniana F.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle featherstoniana Jenn. | Synonym |  | TRO |  | 
	
		| Hydrocotyle fetherstoniana Jenn. ex Feth. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ficarifolia Stokes | Synonym |  | TRO |  | 
	
		| Hydrocotyle ficarioides Lam. | Synonym |  | TRO |  | 
	
		| Hydrocotyle filicaulis Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle filicaulis Baker | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle filipes Mathias | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle fistulosa Caley ex A.W.Hill [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle flaccida R.Br. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle flexuosa Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle fluitans DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle fluminensis Vell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle formosana Masam. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle forrestii H. Wolff | Synonym |  | TRO |  | 
	
		| Hydrocotyle foveolata H.Eichler | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle fusca Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle galapagensis B.L. Rob. | Accepted |  | TRO |  | 
	
		| Hydrocotyle gaudichaudiana DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle geraniifolia F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle geranioides A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle glabra Thunb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle glabrata L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle glechomoides A.Rich. | Synonym |  | WCSP |  | 
	
		| Hydrocotyle globata Blume | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle globifera Urb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle globiflora Ruiz & Pav. | Accepted |  | TRO |  | 
	
		| Hydrocotyle globosa Ruiz & Pav. | Unresolved |  | TRO |  | 
	
		| Hydrocotyle glochidiata Benth. | Synonym |  | TRO |  | 
	
		| Hydrocotyle gracilenta Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle gracilis Ruiz & Pav. | Accepted |  | TRO |  | 
	
		| Hydrocotyle grammatocarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle grossulariifolia Rusby | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle grossularioides A. Rich. | Accepted |  | TRO |  | 
	
		| Hydrocotyle grumosa Moc. & Sessé ex DC. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle gummifera Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle gunnerifolia Wedd. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle handelii H. Wolff ex Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Hydrocotyle hazenii Rose | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle hebecarpa DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hederacea Mathias | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle hederifolia Burch. | Synonym |  | TRO |  | 
	
		| Hydrocotyle hermanniifolia Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle hermanniifolia var. littoralis Sond. | Synonym |  | TRO |  | 
	
		| Hydrocotyle heteromeria A.Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle heterophylla Schinz | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle heucheraefolia Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle hexagona Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle heyneana Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle himalaica P.K. Mukh. | Accepted |  | TRO |  | 
	
		| Hydrocotyle himalaica subsp. himalaica | Synonym |  | TRO |  | 
	
		| Hydrocotyle himalaica subsp. salwinica (Shan & S.L. Liou) C.Y. Wu & F.T. Pu | Synonym |  | TRO |  | 
	
		| Hydrocotyle hirsuta Sw. | Accepted |  | TRO |  | 
	
		| Hydrocotyle hirsuta var. exigua Urb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle hirsuta var. leptostachys (A. Rich.) Urb. | Accepted |  | TRO |  | 
	
		| Hydrocotyle hirta R. Br. ex A. Rich. | Accepted |  | TRO |  | 
	
		| Hydrocotyle hirta var. acutiloba F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hispida D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hispidula Bunge | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hispidula var. tenella Benth. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle hitchcockii Rose ex Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle homalocarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hookeri (C.B. Clarke) W. G. Craib | Accepted |  | TRO |  | 
	
		| Hydrocotyle hookeri subsp. chinensis (Dunn ex Shan & S.L. Liou) M.F. Watson & M.L. Sheh | Accepted |  | TRO |  | 
	
		| Hydrocotyle hookeri subsp. handelii (H. Wolff ex Hand.-Mazz.) M.F. Watson & M.L. Sheh | Accepted |  | TRO |  | 
	
		| Hydrocotyle hookeri subsp. hookeri | Synonym |  | TRO |  | 
	
		| Hydrocotyle humboldtii Willd. ex DC. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle humboldtii A. Rich. | Accepted |  | TRO |  | 
	
		| Hydrocotyle humboldtii var. isoloba Mathias | Synonym |  | TRO |  | 
	
		| Hydrocotyle humboldtii var. macrophylla Mathias | Synonym |  | TRO |  | 
	
		| Hydrocotyle humboldtii var. pubescens Mathias | Synonym |  | TRO |  | 
	
		| Hydrocotyle humifusa Pohl ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle hydrophila Petrie | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle inaequipes DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle incrassata Ruiz & Pav. | Accepted |  | TRO |  | 
	
		| Hydrocotyle indecora DC. | Accepted |  | TRO |  | 
	
		| Hydrocotyle indivisa Banks & Sol. ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle intermixta Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle interrupta Muhl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle intertexta R.Br. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle inundata (L.) Sm. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle involucrata Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle isoloba Wedd. | Synonym |  | TRO |  | 
	
		| Hydrocotyle itatiaiensis Brade | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle jacksonii M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle japonica Makino | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle javanica Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle javanica var. chinensis Dunn ex Shan & S.L. Liou | Synonym |  | TRO |  | 
	
		| Hydrocotyle javanica var. hookeri C.B. Clarke | Synonym |  | TRO |  | 
	
		| Hydrocotyle javanica var. podantha (Molk.) C.B. Clarke | Synonym |  | TRO |  | 
	
		| Hydrocotyle keelungensis Liu, Chao & Chuang | Synonym |  | TRO |  | 
	
		| Hydrocotyle lachnolina Diels | Synonym |  | TRO |  | 
	
		| Hydrocotyle langsdorffii DC. | Accepted |  | TRO |  | 
	
		| Hydrocotyle lanipes Urb. & Ekman | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle lanuginosa Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle larranagii M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle latisecta Zoll. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle laxiflora Masam. | Synonym |  | TRO |  | 
	
		| Hydrocotyle lechleri Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle lehmannii Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle lemnoides Benth. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle leptostachya A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle leptostachys A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle leucocephala Cham. & Schltdl. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle leucocephala var. minuta (Pohl ex DC.) Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle leucocephala var. obtusiloba Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle leucocephala var. truncatiloba Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle ligulata Bosc ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle linearis E.Mey. ex Sond. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle linearis Larrañaga | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle lineata Michx. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle linifolia L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle littoralis Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle lobocarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle longipes Mathias & Killip | Accepted |  | TRO |  | 
	
		| Hydrocotyle lunata Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle lurida Hance | Synonym |  | TRO |  | 
	
		| Hydrocotyle macbridei Mathias & Constance | Synonym |  | TRO |  | 
	
		| Hydrocotyle macbridii Rose | Unresolved |  | TRO |  | 
	
		| Hydrocotyle macrocarpa Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle macrodonta St.-Lag. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle macrodus Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle macrophylla Pohl ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle mannii Hook.f. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle marchantioides Clos | Synonym |  | TRO |  | 
	
		| Hydrocotyle maritima Honda | Synonym |  | TRO |  | 
	
		| Hydrocotyle masamunei M. Hiroe | Synonym |  | TRO |  | 
	
		| Hydrocotyle maxonii Rose | Synonym |  | TRO |  | 
	
		| Hydrocotyle medicaginoides Turcz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle mercurialis (J.M.Black) M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle mexicana Schltdl. & Cham. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle microphylla A.Cunn. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle minima Hochst. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle minuta Pohl ex DC. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle minutifolia Rose | Accepted |  | TRO |  | 
	
		| Hydrocotyle miranda A.R.Bean & Henwood | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle modesta Cham. & Schltdl. | Accepted |  | TRO |  | 
	
		| Hydrocotyle mollissima E.Mey. ex Sond. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle monopetala Blanco | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle montana Cham. & Schltdl. | Synonym |  | TRO |  | 
	
		| Hydrocotyle monticola Hook. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle moschata G.Forst. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle moschata var. parvifolia Carse | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle multicaulis Pohl ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle multifida A.Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle multiflora Ruiz & Pav. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle muriculata Turcz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle muscosa R.Br. ex A.Rich. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle natans Cirillo | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle nepalensis Hook. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle new-guinensis M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle nitens Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle nitidula A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle nixoides Mathias & Constance | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle novae-zelandiae DC. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle novae-zelandiae var. involucrata (Colenso) Allan | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle novae-zelandiae var. robusta (Kirk) Cheeseman | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle novoguineensis Warb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle × nubigena Lucas Rodr. | Unresolved |  | TRO |  | 
	
		| Hydrocotyle nummularioides A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle nutans G. Don ex Loudon | Synonym |  | TRO |  | 
	
		| Hydrocotyle oligantha F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle oligantha Urb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle oraria A.R.Bean | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pallida DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pallida Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle palmata Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle paludosa A.R.Bean | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle paratyensis Vell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pauciflora Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pedicellosa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle peduncularis R.Br. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle peduncularis var. gracilenta (Hook.f.) Benth. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle peltata Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pelviformis Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pennellii Rose ex Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle perexigua Hance | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle peruviana H. Wolff | Accepted |  | TRO |  | 
	
		| Hydrocotyle petelotii Tardieu | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle petiolaris DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle pilifera Turcz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pilifera var. glabrata Benth. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle pilosa Larrañaga | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pinnatifida Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle plantaginea Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle plebeia R.Br. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pleiantha Ces. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle podantha Molk. | Synonym |  | TRO |  | 
	
		| Hydrocotyle poeppigii DC. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle poeppigii var. filipes Griseb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle poeppigii var. poeppigii | Synonym |  | TRO |  | 
	
		| Hydrocotyle polycephala Wight & Arn. | Synonym |  | TRO |  | 
	
		| Hydrocotyle polyrhiza DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle polystachya A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle polystachya var. quinqueradiata Thouars ex A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle polystachya var. triradiata A. Rich. | Synonym |  | TRO |  | 
	
		| Hydrocotyle prolifera Kellogg | Synonym |  | TRO |  | 
	
		| Hydrocotyle pseudoconferta Masam. | Accepted |  | TRO |  | 
	
		| Hydrocotyle pseudosanicula H.Boissieu | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle pterocarpa F.Muell. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle pulchella R.Br. ex A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle puncticulata Miq. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pusilla R.Br. ex Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle pusilla A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle pygmaea C.Wright | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle quinqueloba Ruiz & Pav. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle quinqueloba var. stella Urb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle quinqueloba f. subglabra Urb. ex Thell. | Synonym |  | TRO |  | 
	
		| Hydrocotyle quinqueloba f. yanghuangensis Hieron. | Synonym |  | TRO |  | 
	
		| Hydrocotyle quinqueradiata Thouars ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle racemosa Sessé & Moc. ex DC. | Synonym |  | TRO |  | 
	
		| Hydrocotyle rahmeri Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ramiflora Maxim. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle ramiflora var. maritima (Honda) M. Hiroe | Synonym |  | TRO |  | 
	
		| Hydrocotyle ranunculifolia Ohwi | Synonym |  | TRO |  | 
	
		| Hydrocotyle ranunculoides L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle ranunculoides var. genuina Urb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle ranunculoides f. minima Kuntze | Synonym |  | TRO |  | 
	
		| Hydrocotyle ranunculoides var. natans (Cirillo) Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle ranunculoides var. ranunculoides | Synonym |  | TRO |  | 
	
		| Hydrocotyle reniformis Walter | Synonym |  | TRO |  | 
	
		| Hydrocotyle repanda Pers. | Synonym |  | TRO |  | 
	
		| Hydrocotyle rhombifolia F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ribifolia Rose & Standl. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle rigescens Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle robusta Kirk | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle rotundifolia Roxb. ex DC. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle rotundifolia Roxb. | Accepted |  | TRO |  | 
	
		| Hydrocotyle rotundifolia var. pauciflora Y. Yabe | Synonym |  | TRO |  | 
	
		| Hydrocotyle rotundifolium var. batrachium (Hance) Cherm. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle rubescens Franch. | Synonym |  | TRO |  | 
	
		| Hydrocotyle rugulosa Turcz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle rupestris Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle sagasteguii Constance & M.O. Dillon | Accepted |  | TRO |  | 
	
		| Hydrocotyle salwinica Shan & S.L. Liou | Accepted |  | TRO |  | 
	
		| Hydrocotyle salwinica var. obtusiloba S.L. Liou | Synonym |  | TRO |  | 
	
		| Hydrocotyle saniculifolia Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle sarmentosa Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle scaposa Steud. | Synonym |  | TRO |  | 
	
		| Hydrocotyle schkuhriana Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle schlechteri H.Wolff | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle scutellifera Benth. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle septemloba Schinz | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle setulosa Hayata | Accepted |  | TRO |  | 
	
		| Hydrocotyle shanii Boufford [Illegitimate] | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle siamensis H.Wolff | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle siamica Craib | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle sibthorpioides Lam. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle sibthorpioides Colenso [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle sibthorpioides var. batrachium (Hance) Hand.-Mazz. ex Shan | Synonym |  | TRO |  | 
	
		| Hydrocotyle sibthorpioides var. dichondroides (Makino) M. Hiroe | Synonym |  | TRO |  | 
	
		| Hydrocotyle sibthorpioides var. laciniata Kirk | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle sibthorpioides var. pauciflorra (Y. Yabe) T. Yamaz. | Accepted |  | TRO |  | 
	
		| Hydrocotyle sibthorpioides var. sibthorpioides | Synonym |  | TRO |  | 
	
		| Hydrocotyle sibthorpioides var. tuberifera (Ohwi) T. Yamaz. | Accepted |  | TRO |  | 
	
		| Hydrocotyle sinensis J.F.Gmel. [Spelling variant] | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle skottsbergii Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle solandra L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle spananthe Willd. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle sphenoloba Wedd. | Accepted |  | TRO |  | 
	
		| Hydrocotyle spicata Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle spicata Sessé & Moc. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle splendens Blume | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle splendens Zoll. ex Miq. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle stella Pohl ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle stellata St.-Lag. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle steyermarkii Mathias & Constance | Accepted |  | TRO |  | 
	
		| Hydrocotyle striata Benth. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle strigosa Buch.-Ham. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle sulcata C.J.Webb & P.N.Johnson | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle sundaica Blume | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle superposita Baker | Synonym |  | TRO |  | 
	
		| Hydrocotyle sylvicola E. Jacob Cordemoy | Synonym |  | TRO |  | 
	
		| Hydrocotyle tabularis Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tambalomaensis H. Wolff | Accepted |  | TRO |  | 
	
		| Hydrocotyle tasmanica Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tenella Buch.-Ham. ex D. Don | Synonym |  | TRO |  | 
	
		| Hydrocotyle tenerrima Rose ex Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle tetragonocarpa Bunge | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle thunbergiana Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tomentosa Thunb. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tonkinensis Tardieu | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle torresiana Rose & Standl. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle trachycarpa F.Muell. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tribotrys Ruiz & Pav. | Synonym |  | TRO |  | 
	
		| Hydrocotyle trichophylla Eckl. & Zeyh. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tridentata L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle triflora Ruiz & Pav. | Synonym |  | TRO |  | 
	
		| Hydrocotyle triloba Thunb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle trilobulata Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tripartita R.Br. ex A.Rich. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle tripartita var. hydrophila (Petrie) Cheeseman | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle tripartita var. muscosa (A.Rich.) Benth. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle tuberifera Ohwi | Synonym |  | TRO |  | 
	
		| Hydrocotyle tumida A.R.Bean & Henwood | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle turczaninowii M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle tussilaginifolia Baker | Synonym |  | TRO |  | 
	
		| Hydrocotyle ulei H.Wolff | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle uliginosa Phil. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle ulugurensis Engl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle umbellata L. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle umbellata var. bonariensis (Comm. ex Lam.) Spreng. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle umbellulata Michx. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle uncinata Turcz. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle uniflora Colenso | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle urbaniana H. Wolff | Accepted |  | TRO |  | 
	
		| Hydrocotyle uruguayica M.Hiroe | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle vagans Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle valdiviana Phil. | Synonym |  | TRO |  | 
	
		| Hydrocotyle valida Larrañaga | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle varians Pohl ex DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle venezuelensis Rose ex Mathias | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle versteegii Hemsl. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle verticillata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle verticillata var. bonariensis (Lam.) Urb. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle verticillata var. featherstoniana (Jenn.) Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle verticillata var. pluriradiata Urb. | Synonym |  | TRO |  | 
	
		| Hydrocotyle verticillata var. racemosa (Sessé & Moc. ex DC.) Mathias | Synonym |  | TRO |  | 
	
		| Hydrocotyle verticillata var. triradiata (A. Rich.) Fernald | Synonym |  | TRO |  | 
	
		| Hydrocotyle verticillata var. verticillata | Synonym |  | TRO |  | 
	
		| Hydrocotyle vestita Mathias & Killip | Accepted |  | TRO |  | 
	
		| Hydrocotyle villosa (L.) L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle villosa var. latifolia Eckl. & Zeyh. | Synonym |  | TRO |  | 
	
		| Hydrocotyle virgata L. f. | Synonym |  | TRO |  | 
	
		| Hydrocotyle volckmannii Phil. | Accepted |  | TRO |  | 
	
		| Hydrocotyle vulgaris L. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle vulgaris var. verticillata (Thunb.) Pers. | Synonym |  | WCSP (in review) |  | 
	
		| Hydrocotyle wightiana Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle wilfordii Maxim. | Accepted |  | WCSP (in review) |  | 
	
		| Hydrocotyle wilsonii Diels ex Shan & S.L. Liou | Accepted |  | TRO |  | 
	
		| Hydrocotyle yabei Makino | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle yanghuangensis (Hieron.) Mathias | Accepted |  | TRO |  | 
	
		| Hydrocotyle yucatanensis Millsp. | Synonym |  | TRO |  | 
	
		| Hydrocotyle zeylanica DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Hydrocotyle zollingeri Molk. | Unresolved |  | WCSP (in review) |  |