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- Cyperaceae (6 081)
- Tribe Abildgaardieae Lye (569)
- Tribe Ascopholeae Nijal.
- Tribe Bisboeckelereae Pax (31)
- Tribe Bolboschoeneae (Tatanov) J.R.Starr (17)
- Tribe Calliscirpeae Lév.‐Bourret & J.R.Starr (2)
- Tribe Cariceae Dumort. (2 342)
- Tribe Carpheae Semmouri & Larridon (18)
- Tribe Chrysitricheae Nees (14)
- Tribe Cladieae Nees (4)
- Tribe Cryptangieae Benth. (57)
- Tribe Cypereae Dumort. (1 133)
- Tribe Dulichieae W.Schultze‐Motel (3)
- Tribe Eleocharideae Goetgh. (312)
- Tribe Fimbristylideae Cherm. ex J.Raynal
- Tribe Fuireneae Rchb. ex Fenzl (55)
- Tribe Hypolytreae Pers. (175)
- Tribe IncertaeSedis (1)
- Tribe Khaosokieae Lév.‐Bourret & J.R.Starr (1)
- Tribe Koyamaeae W.W.Thomas & Davidse
- Tribe Lipocarpheae Cherm. ex T.Koyama
- Tribe Micropapyreae L.T.Eiten
- Tribe Pseudoschoeneae J.R.Starr (76)
- Tribe Rhynchosporeae Nees (389)
- Genus Rhynchospora Vahl (389)
- Subgenus Rhynchospora subg. Haplostylis (Nees) Pax
- Section Rhynchospora sect. Calyptrostylis Pax
- Section Rhynchospora sect. Fasciculares P.D.McMillan
- Section Rhynchospora sect. Oreoboloides Gómez-Laur.
- Section Rhynchospora sect. Psilocarya P.D.McMillan
- Section Rhynchospora sect. Pusillae P.D.McMillan
- Section Rhynchospora sect. Rariflorae P.D.McMillan
- Section Rhynchospora sect. Rigidifoliae W.W.Thomas
- Section Rhynchospora sect. Stipitatae M.T.Strong
- Species Rhynchospora aberrans C.B.Clarke
- Species Rhynchospora acanthoma A.C.Araújo & Longhi-Wagner
- Species Rhynchospora adscendens C.B.Clarke accepted as Rhynchospora candida (Nees) Boeckeler
- Species Rhynchospora adulta Schltdl. accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora affinis W.Fitzg.
- Species Rhynchospora africana Cherm. accepted as Rhynchospora angolensis Turrill
- Species Rhynchospora agostiniana T.Koyama
- Species Rhynchospora alba (L.) Vahl
- Species Rhynchospora albescens (Miq.) Kük.
- Species Rhynchospora albiceps Kunth
- Species Rhynchospora albida (Nees) Boeckeler
- Species Rhynchospora albobracteata A.C.Araújo
- Species Rhynchospora albomarginata Kük.
- Species Rhynchospora albotuberculata Kük.
- Species Rhynchospora almensis D.A.Simpson
- Species Rhynchospora alpina (R.Br.) Spreng. accepted as Carpha alpina R.Br.
- Species Rhynchospora alpina Palla accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora alta Boeckeler accepted as Rhynchospora loefgrenii Boeckeler
- Species Rhynchospora amazonica Poepp. ex Kunth
- Species Rhynchospora andina Kük. accepted as Rhynchospora caracasana (Kunth) Boeckeler
- Species Rhynchospora andresii Gómez-Laur.
- Species Rhynchospora angolensis Turrill
- Species Rhynchospora angosturensis W.W.Thomas
- Species Rhynchospora angusta (Gale) Sorrie, LeBlond & Weakley
- Species Rhynchospora angustifolia Palla
- Species Rhynchospora angustipaniculata M.T.Strong
- Species Rhynchospora anomala Steud. accepted as Fimbristylis fusca (Nees) Benth. ex C.B.Clarke
- Species Rhynchospora arechavaletae Boeckeler accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora arenicola Uittien
- Species Rhynchospora argentea Standl.
- Species Rhynchospora aripoensis Britton
- Species Rhynchospora aristata Boeckeler
- Species Rhynchospora armerioides J.Presl & C.Presl
- Species Rhynchospora arrojadii H.Pfeiff.
- Species Rhynchospora articulata (Roxb.) Schult. accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora arundinacea Boeckeler accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora asperula (Nees) Steud.
- Species Rhynchospora atlantica W.W.Thomas
- Species Rhynchospora aurea Vahl accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora aureiformis C.B.Clarke accepted as Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora auriculata Boeckeler accepted as Rhynchospora albiceps Kunth
- Species Rhynchospora austrobahiensis W.W.Thomas
- Species Rhynchospora avenacea (R.Br.) Spreng. accepted as Cyathochaeta avenacea (R.Br.) Benth.
- Species Rhynchospora axillaris (Lam.) Britton accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora ayangannensis M.T.Strong
- Species Rhynchospora bahamensis Britton accepted as Rhynchospora lindeniana Griseb.
- Species Rhynchospora bahiensis Steud. accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora baileyi Britton accepted as Rhynchospora albomarginata Kük.
- Species Rhynchospora bakhuisensis M.T.Strong
- Species Rhynchospora baldwinii A.Gray
- Species Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora barrosiana Guagl.
- Species Rhynchospora belizensis Naczi & Silva Filho
- Species Rhynchospora berteroana Boeckeler accepted as Rhynchospora berteroi (Spreng.) C.B.Clarke
- Species Rhynchospora berteroi (Spreng.) C.B.Clarke
- Species Rhynchospora beyrichii (Nees) Steud. accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora biceps Torr. ex A.Gray accepted as Rhynchospora cephalantha A.Gray
- Species Rhynchospora biflora Boeckeler
- Species Rhynchospora binervis Sieber ex C.Presl accepted as Hypolytrum mauritianum Nees ex Kunth
- Species Rhynchospora blauneri Britton accepted as Rhynchospora brachychaeta C.Wright
- Species Rhynchospora blepharophora (J.Presl & C.Presl) H.Pfeiff.
- Species Rhynchospora boeckeleriana Silva Filho & Boldrini
- Species Rhynchospora boivinii Boeckeler
- Species Rhynchospora bolivarana Steyerm.
- Species Rhynchospora boliviensis C.B.Clarke
- Species Rhynchospora boninensis Nakai ex Tuyama
- Species Rhynchospora borinquensis Britton accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora brachychaeta C.Wright
- Species Rhynchospora bracteovillosa A.C.Araújo & W.W.Thomas
- Species Rhynchospora bradei (R.Gross) W.W.Thomas
- Species Rhynchospora brasiliensis Boeckeler
- Species Rhynchospora brevifoliata (Kük.) Greuter & R.Rankin
- Species Rhynchospora brevirostris Griseb.
- Species Rhynchospora breviseta Palla accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora breviseta (Gale) Channell accepted as Rhynchospora galeana Naczi, W.M.Knapp & G.Moor
- Species Rhynchospora breviuscula H.Pfeiff.
- Species Rhynchospora brittonii Gale
- Species Rhynchospora broadwayi (Kük.) Raymond accepted as Rhynchospora comata (Link) Schult.
- Species Rhynchospora bromoides Kunth accepted as Rhynchospora comata (Link) Schult.
- Species Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora bruneri Britton accepted as Rhynchospora intermixta C.Wright
- Species Rhynchospora brunnea Boeckeler
- Species Rhynchospora brunnea Willd. ex Kunth accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora bucherorum León
- Species Rhynchospora buchii Urb. accepted as Rhynchospora mexicana (Liebm.) Steud.
- Species Rhynchospora buchtienii Palla in Buchtien
- Species Rhynchospora buchtienii Palla
- Species Rhynchospora bulbocaulis Boeckeler accepted as Cyperus mollipes K.Schum.
- Species Rhynchospora bulbosa Vahl.
- Species Rhynchospora burchellii C.B.Clarke accepted as Rhynchospora elatior Kunth
- Species Rhynchospora cabecarae Gómez-Laur.
- Species Rhynchospora cacuminicola Gale
- Species Rhynchospora caduca Elliott
- Species Rhynchospora caduciglumis P.Weber & R.Trevis.
- Species Rhynchospora caesionux T.Koyama
- Species Rhynchospora caespitosa Huber
- Species Rhynchospora cajennensis Boeckeler
- Species Rhynchospora calderana D.A.Simpson
- Species Rhynchospora californica Gale
- Species Rhynchospora calyptrocaryoides (R.Gross) W.W.Thomas
- Species Rhynchospora campanulata Kük. accepted as Rhynchospora lapensis C.B.Clarke
- Species Rhynchospora canaliculata (Steud.) Boeckeler accepted as Rhynchospora riparia (Nees) Boeckeler
- Species Rhynchospora candida (Nees) Boeckeler
- Species Rhynchospora canescens (Maury ex Micheli) H.Pfeiff. accepted as Rhynchospora albiceps Kunth
- Species Rhynchospora capillacea Torr.
- Species Rhynchospora capillacea Steud. accepted as Rhynchospora fusca (L.) W.T.Aiton
- Species Rhynchospora capillifolia Boeckeler
- Species Rhynchospora capillifolia W.W.Thomas accepted as Rhynchospora rigidifolia subsp. capillacea T.Koyama
- Species Rhynchospora capitata (Kunth) Roem. & Schult.
- Species Rhynchospora capitellata (Michx.) Vahl
- Species Rhynchospora capitellata Elliott accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora caracasana (Kunth) Boeckeler
- Species Rhynchospora careyana Fernald
- Species Rhynchospora cariciformis Nees
- Species Rhynchospora carrillensis Gómez-Laur.
- Species Rhynchospora castanea T.Koyama
- Species Rhynchospora castanea Nees & Meyen accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora catharinensis Barros
- Species Rhynchospora caucasica Palla
- Species Rhynchospora cayennensis Boeckeler
- Species Rhynchospora cephalantha A.Gray
- Species Rhynchospora cephalantha A.Rich. accepted as Rhynchospora globosa var. globosa (Kunth) Roem. & Schult.
- Species Rhynchospora cephalophora (Nees) Steud. accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora cephalotes (L.) Vahl
- Species Rhynchospora cephalotoides Griseb.
- Species Rhynchospora cernua Griseb.
- Species Rhynchospora ceylonica (Nees) Kunth accepted as Rhynchospora triflora Vahl
- Species Rhynchospora chalarocephala Fernald & Gale
- Species Rhynchospora chapadensis Silva Filho, W.W.Thomas & Boldrini
- Species Rhynchospora chapmanii M.A.Curtis
- Species Rhynchospora chimantensis W.W.Thomas
- Species Rhynchospora chinensis Nees & Meyen
- Species Rhynchospora ciliaris (Michx.) C.Mohr
- Species Rhynchospora ciliaris (Michx.) Vahl accepted as Rhynchospora ciliaris (Michx.) C.Mohr
- Species Rhynchospora ciliata Vahl accepted as Rhynchospora ciliaris (Michx.) C.Mohr
- Species Rhynchospora ciliata (Vahl) Kük. accepted as Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora ciliatifolia Steud. accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora ciliolata Boeckeler
- Species Rhynchospora cinnamomea Boeckeler
- Species Rhynchospora clandestina (R.Br.) Spreng. accepted as Cyathochaeta clandestina (R.Br.) Benth.
- Species Rhynchospora clarkei Rose accepted as Rhynchospora brevirostris Griseb.
- Species Rhynchospora colorata (L.) H.Pfeiff.
- Species Rhynchospora columbiensis Boeckeler accepted as Rhynchospora macrochaeta var. macrochaeta Steud. ex Boeckeler
- Species Rhynchospora comata (Link) Schult.
- Species Rhynchospora compressa J.Carey ex Chapm.
- Species Rhynchospora conferta (Nees) Boeckeler
- Species Rhynchospora confinis (Nees) C.B.Clarke
- Species Rhynchospora confusa Ballard
- Species Rhynchospora conica Desv. accepted as Rhynchospora cephalotes (L.) Vahl
- Species Rhynchospora consanguinea (Kunth) Boeckeler
- Species Rhynchospora contracta (Nees) J.Raynal
- Species Rhynchospora contraligularis W.W.Thomas
- Species Rhynchospora cordatachenia M.T.Strong
- Species Rhynchospora coreana Palla accepted as Rhynchospora fujiiana Makino
- Species Rhynchospora coriifolia Boeckeler
- Species Rhynchospora corniculata (Lam.) A.Gray
- Species Rhynchospora corymbifera Nees accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora corymbifera Boeckeler accepted as Rhynchospora longiflora C.Presl
- Species Rhynchospora corymbifera (C.Wright) Kük. accepted as Rhynchospora scirpoides (Torr.) Griseb.
- Species Rhynchospora corymbiformis Britton accepted as Rhynchospora scirpoides (Torr.) Griseb.
- Species Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora costaricensis Boeckeler accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora crassipes Boeckeler accepted as Rhynchospora terminalis (Nees) Steud.
- Species Rhynchospora crinigera Boeckeler
- Species Rhynchospora crinipes Gale
- Species Rhynchospora crispa Gale
- Species Rhynchospora croydonensis R.Booth
- Species Rhynchospora cruegeriana Boeckeler accepted as Rhynchospora longiflora C.Presl
- Species Rhynchospora cryptantha C.B.Clarke accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora cubensis A.Rich.
- Species Rhynchospora cubensis Griseb. accepted as Rhynchospora filiformis Vahl
- Species Rhynchospora cubensis (Poepp. & Kunth) Griseb. accepted as Rhynchospora tenuis subsp. tenuis Link
- Species Rhynchospora culixa Gale accepted as Rhynchospora harveyi var. culixa (Gale) Kral
- Species Rhynchospora culmenicola Steyerm. accepted as Rhynchospora dissitiflora Steud. ex Boeckeler
- Species Rhynchospora curtisii Steud. accepted as Rhynchospora pallida M.A.Curtis
- Species Rhynchospora curtissii Britton
- Species Rhynchospora curvula Griseb.
- Species Rhynchospora curvula (Nees) Boeckeler accepted as Rhynchospora tenuis subsp. tenuis Link
- Species Rhynchospora cymosa (Willd.) Muhl. ex Elliott accepted as Scirpus polyphyllus Vahl
- Species Rhynchospora cyperoides Mart. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora davidsei W.W.Thomas
- Species Rhynchospora debilis Gale
- Species Rhynchospora decurrens Chapm.
- Species Rhynchospora deflexa Griseb. accepted as Rhynchospora cubensis A.Rich.
- Species Rhynchospora deightonii Hutch. accepted as Rhynchospora perrieri Cherm.
- Species Rhynchospora demerarensis C.B.Clarke accepted as Rhynchospora cajennensis Boeckeler
- Species Rhynchospora denticulata Huber accepted as Rhynchospora trichochaeta C.B.Clarke
- Species Rhynchospora dentinux C.B.Clarke
- Species Rhynchospora depauperata Palla
- Species Rhynchospora depressa (Kük.) Gale
- Species Rhynchospora depressirostris M.T.Strong
- Species Rhynchospora deusta (R.Br.) Spreng. accepted as Ptilothrix deusta (R.Br.) K.L.Wilson
- Species Rhynchospora diamantina C.B.Clarke ex Kük. accepted as Rhynchospora leucostachys Boeckeler
- Species Rhynchospora diandra (R.Br.) Spreng. accepted as Cyathochaeta diandra (R.Br.) Nees
- Species Rhynchospora diedrichsenii Boeckeler accepted as Rhynchospora comata (Link) Schult.
- Species Rhynchospora dilectissimi-patris Luceño accepted as Rhynchospora exilis Boeckeler
- Species Rhynchospora diodon (Nees) Griseb.
- Species Rhynchospora discolor Hochst. ex Steud. accepted as Rhynchospora wightiana (Nees) Steud.
- Species Rhynchospora dissitiflora Steud. ex Boeckeler
- Species Rhynchospora dissitispicula T.Koyama
- Species Rhynchospora distans Beyr. ex Kunth accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora distans (Michx.) Vahl accepted as Rhynchospora fascicularis subsp. fascicularis (Michx.) Vahl
- Species Rhynchospora distans Willd. ex Kunth accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora distans Elliott accepted as Rhynchospora grayi Kunth
- Species Rhynchospora distichophylla Boeckeler
- Species Rhynchospora divaricata (Ham.) M.T.Strong
- Species Rhynchospora divergens Chapm. ex M.A.Curtis
- Species Rhynchospora dives Standl.
- Species Rhynchospora dodecandra Baldwin ex A.Gray accepted as Rhynchospora megalocarpa A.Gray
- Species Rhynchospora dolichostyla K.Schum. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora domingensis Urb.
- Species Rhynchospora dommucensis A.H.Moore accepted as Rhynchospora fascicularis subsp. fascicularis (Michx.) Vahl
- Species Rhynchospora donselaarii M.T.Strong
- Species Rhynchospora drummondiana Steud. accepted as Rhynchospora colorata (L.) H.Pfeiff.
- Species Rhynchospora drummondiana Boeckeler accepted as Rhynchospora gracilenta A.Gray
- Species Rhynchospora duckei Gross
- Species Rhynchospora duidae Steyerm.
- Species Rhynchospora durandiana Boeckeler accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora durangensis Kral & W.W.Thomas
- Species Rhynchospora dussiana Boeckeler accepted as Rhynchospora watsonii (Britton) Davidse
- Species Rhynchospora dussii Boeckeler ex Duss accepted as Rhynchospora watsonii (Britton) Davidse
- Species Rhynchospora earlei Britton accepted as Rhynchospora harveyi var. harveyi W.Boott
- Species Rhynchospora ebracteata (Standl.) H.Pfeiff.
- Species Rhynchospora eburnea Kral & W.W.Thomas
- Species Rhynchospora echinata Willd. ex Kunth accepted as Actinoschoenus aphyllus (Vahl) Larridon
- Species Rhynchospora ecuadorensis C.B.Clarke accepted as Rhynchospora vulcani Boeckeler
- Species Rhynchospora edentula H.Pfeiff. accepted as Rhynchospora junciformis (Kunth) Boeckeler
- Species Rhynchospora edisoniana Britton ex Small accepted as Rhynchospora microcarpa Baldwin ex A.Gray
- Species Rhynchospora edwalliana Boeckeler
- Species Rhynchospora effusa Schrad. ex Nees accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora eggersiana Boeckeler accepted as Rhynchospora longiflora C.Presl
- Species Rhynchospora ekmanii Urb. accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora elatior Kunth
- Species Rhynchospora elegans Kük. accepted as Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora elegantula Maury
- Species Rhynchospora elliottii A.Dietr.
- Species Rhynchospora elliottii A.Gray accepted as Rhynchospora grayi Kunth
- Species Rhynchospora elongata Boeckeler accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora emaciata (Nees) Boeckeler
- Species Rhynchospora emmanueles Luceño & Rocha
- Species Rhynchospora enmanuelis Luceño & Rocha
- Species Rhynchospora epiglobosa C.B.Clarke accepted as Rhynchospora globosa var. globosa (Kunth) Roem. & Schult.
- Species Rhynchospora erinacea (Ridl.) C.B.Clarke accepted as Cyperus erinaceus (Ridl.) Kük.
- Species Rhynchospora etuberculata Steud. accepted as Schoenoplectus etuberculatus (Steud.) Soják
- Species Rhynchospora eurycarpa A.C.Araújo & Longhi-Wagner
- Species Rhynchospora exaltata Kunth
- Species Rhynchospora exaltata C.B.Clarke
- Species Rhynchospora exigua Boeckeler accepted as Rhynchospora nervosa (Vahl) Boeckeler
- Species Rhynchospora exilis Boeckeler
- Species Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora exserta C.B.Clarke
- Species Rhynchospora faberi C.B.Clarke
- Species Rhynchospora fallax Uittien
- Species Rhynchospora fascicularis (Michx.) Vahl
- Species Rhynchospora fauriei Franch.
- Species Rhynchospora fauriei C.B.Clarke ex H.Lév. accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora fernaldii Gale
- Species Rhynchospora ferruginea Sieber ex C.Presl accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora ferruginea Roem. & Schult. accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora fibrillosa Kük. accepted as Rhynchospora nipensis Britton
- Species Rhynchospora filifolia A.Gray
- Species Rhynchospora filifolia Torr.
- Species Rhynchospora filifolia Kunth accepted as Rhynchospora sellowiana Steud.
- Species Rhynchospora filiformis Vahl
- Species Rhynchospora filiformis Willd. ex Kunth accepted as Rhynchospora caracasana (Kunth) Boeckeler
- Species Rhynchospora filiformis Balb. ex Kunth accepted as Rhynchospora fascicularis subsp. fascicularis (Michx.) Vahl
- Species Rhynchospora filiformis Sieber ex C.Presl accepted as Rhynchospora recognita (Gale) Kral
- Species Rhynchospora flavida Boeckeler accepted as Rhynchospora trichochaeta C.B.Clarke
- Species Rhynchospora flexuosa C.B.Clarke accepted as Rhynchospora edwalliana Boeckeler
- Species Rhynchospora floribunda Boeckeler accepted as Rhynchospora glaziovii Boeckeler
- Species Rhynchospora florida (Rudge) Schult. accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora florida Griseb. accepted as Rhynchospora longiflora C.Presl
- Species Rhynchospora floridensis (Britton ex Small) H.Pfeiff.
- Species Rhynchospora fluminensis L.B.Sm.
- Species Rhynchospora foliata Steud.
- Species Rhynchospora foliosa (Kunth) L.B.Sm.
- Species Rhynchospora franchetiana C.B.Clarke ex H.Lév. accepted as Rhynchospora fujiiana Makino
- Species Rhynchospora fuertesii Urb. accepted as Rhynchospora aristata var. aristata Boeckeler
- Species Rhynchospora fujiiana Makino
- Species Rhynchospora fusca (L.) W.T.Aiton
- Species Rhynchospora fusca A.Gray accepted as Rhynchospora gracilenta A.Gray
- Species Rhynchospora fuscoides C.B.Clarke ex Britton accepted as Rhynchospora filifolia A.Gray
- Species Rhynchospora gageri Britton
- Species Rhynchospora galeana Naczi, W.M.Knapp & G.Moor
- Species Rhynchospora gaudichaudii (Brongn.) L.B.Sm.
- Species Rhynchospora gigantea Link
- Species Rhynchospora glauca C.B.Clarke accepted as Rhynchospora barrosiana Guagl.
- Species Rhynchospora glauca Baldwin ex A.Gray accepted as Rhynchospora baldwinii A.Gray
- Species Rhynchospora glauca Vahl accepted as Rhynchospora rugosa (Vahl) Gale
- Species Rhynchospora glaziovii Boeckeler
- Species Rhynchospora globosa (Kunth) Roem. & Schult.
- Species Rhynchospora globosa (Rudge) Desv. accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora globularis (Chapm.) Small
- Species Rhynchospora globulifera Link accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora glomerata Vahl ex Kunth accepted as Isolepis digitata Nees ex Schrad.
- Species Rhynchospora gollmeri Boeckeler
- Species Rhynchospora gracilenta A.Gray
- Species Rhynchospora gracilis (Sw.) Vahl accepted as Rhynchospora racemosa C.Wright
- Species Rhynchospora gracilis (Spreng.) Kuntze accepted as Rhynchospora tenuis subsp. tenuis Link
- Species Rhynchospora gracillima Thwaites
- Species Rhynchospora gracillima C.Wright accepted as Rhynchospora wrightiana Boeckeler
- Species Rhynchospora graminea Uittien accepted as Rhynchospora spruceana C.B.Clarke
- Species Rhynchospora graminifolia (Brongn.) L.B.Sm. accepted as Rhynchospora pilulifera Bertol.
- Species Rhynchospora graminosa H.Pfeiff. accepted as Rhynchospora pilosa Boeckeler
- Species Rhynchospora grandifolia Boeckeler
- Species Rhynchospora grayana Chapm. ex M.A.Curtis accepted as Rhynchospora chapmanii M.A.Curtis
- Species Rhynchospora grayi Kunth
- Species Rhynchospora griffithii Boeckeler accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora grisebachii Boeckeler ex C.B.Clarke accepted as Rhynchospora hispidula Griseb.
- Species Rhynchospora grosserugosa Kük. accepted as Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora guaramacalensis M.T.Strong
- Species Rhynchospora guianensis Lindeman & Donsel. accepted as Rhynchospora trispicata (Nees) Schrad. ex Steud.
- Species Rhynchospora haenkei J.Presl & C.Presl accepted as Rhynchospora rubra subsp. rubra (Lour.) Makino
- Species Rhynchospora hakkodensis Mochizuki
- Species Rhynchospora hamiltonii Kunth accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora harleyi Silva Filho, W.W.Thomas & Boldrini
- Species Rhynchospora harperi Small
- Species Rhynchospora harveyi W.Boott
- Species Rhynchospora hassleri C.B.Clarke
- Species Rhynchospora hatschbachii T.Koyama
- Species Rhynchospora hattoriana Makino accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora hemicephala Boeckeler accepted as Rhynchospora recurvata (Nees) Steud.
- Species Rhynchospora heterocaulis C.B.Clarke accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora heterochaeta S.T.Blake
- Species Rhynchospora heterolepis Boeckeler accepted as Rhynchospora confinis (Nees) C.B.Clarke
- Species Rhynchospora heterophylla (Boeckeler) Boeckeler accepted as Rhynchospora chapmanii M.A.Curtis
- Species Rhynchospora hieronymi Boeckeler
- Species Rhynchospora hildebrantii Boeckeler
- Species Rhynchospora hirsuta (Vahl) Vahl
- Species Rhynchospora hirsuta Griseb. accepted as Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora hirta (Nees) Boeckeler
- Species Rhynchospora hirticeps (Kük.) T.Koyama
- Species Rhynchospora hispidula Griseb.
- Species Rhynchospora hispidula (Vahl) Boeckeler accepted as Rhynchospora divaricata (Ham.) M.T.Strong
- Species Rhynchospora hitchcockii Gand. accepted as Rhynchospora tracyi Britton
- Species Rhynchospora hoffmannii Boeckeler accepted as Rhynchospora vulcani Boeckeler
- Species Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora hookeri Boeckeler
- Species Rhynchospora humboldtiana (Nees) Griseb. accepted as Rhynchospora nervosa (Vahl) Boeckeler
- Species Rhynchospora humilis Beyr. ex Kunth accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora hunnewellii L.B.Sm. accepted as Rhynchospora pilulifera Bertol.
- Species Rhynchospora hyalinolepis Boeckeler accepted as Rhynchospora praecincta Maury ex Micheli
- Species Rhynchospora iberae Guagl.
- Species Rhynchospora ierensis C.D.Adams
- Species Rhynchospora igarapicola T.Koyama accepted as Rhynchospora cariciformis Nees
- Species Rhynchospora ignorata Boeckeler accepted as Rhynchospora scirpoides (Torr.) Griseb.
- Species Rhynchospora imeriensis (Kük.) W.W.Thomas
- Species Rhynchospora immensa Kük.
- Species Rhynchospora indianolensis Small accepted as Rhynchospora scutellata Griseb.
- Species Rhynchospora inexpansa (Michx.) Vahl
- Species Rhynchospora inexpansa Sieber ex Steud. accepted as Rhynchospora filiformis Vahl
- Species Rhynchospora infuscata Boeckeler accepted as Rhynchospora ruiziana Boeckeler
- Species Rhynchospora intermedia (Chapm.) Britton
- Species Rhynchospora intermedia Beyr. ex Kunth accepted as Rhynchospora cephalantha A.Gray
- Species Rhynchospora intermixta C.Wright
- Species Rhynchospora inundata (Oakes) Fernald
- Species Rhynchospora jaliscensis McVaugh
- Species Rhynchospora jamaicensis Britton
- Species Rhynchospora japonica Makino accepted as Rhynchospora chinensis subsp. chinensis Nees & Meyen
- Species Rhynchospora jelskiana Boeckeler accepted as Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora joveroensis Britton
- Species Rhynchospora jubata Liebm.
- Species Rhynchospora juncea Willd. ex Kunth accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora juncellus C.B.Clarke accepted as Rhynchospora tenuis subsp. tenuis Link
- Species Rhynchospora junciformis (Kunth) Boeckeler
- Species Rhynchospora kamphoeveneri Boeckeler accepted as Rhynchospora gracillima subsp. gracillima Thwaites
- Species Rhynchospora karuaiana Steyerm. accepted as Rhynchospora triflora Vahl
- Species Rhynchospora killipii Gross
- Species Rhynchospora knieskernii J.Carey
- Species Rhynchospora kuekenthalii H.Pfeiff. accepted as Rhynchospora umbraticola Poepp. & Kunth
- Species Rhynchospora kuekenthalii Herter accepted as Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora kukenthalii Pfeiff.
- Species Rhynchospora kunthii Nees ex Kunth
- Species Rhynchospora kuntzei C.B.Clarke ex Kuntze accepted as Rhynchospora umbraticola Poepp. & Kunth
- Species Rhynchospora kysoor (Roxb.) A.Dietr. accepted as Actinoscirpus grossus var. kysoor (Roxb.) Noltie
- Species Rhynchospora laevigata Steud. accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora laevis Schltdl. accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora lamprosperma C.Wright accepted as Rhynchospora divergens Chapm. ex M.A.Curtis
- Species Rhynchospora lanceolata Willd. ex Kunth accepted as Rhynchospora capitata (Kunth) Roem. & Schult.
- Species Rhynchospora lapensis C.B.Clarke
- Species Rhynchospora latibracteata Guagl.
- Species Rhynchospora latifolia (Baldwin ex Elliott) W.W.Thomas
- Species Rhynchospora lavarum Hook. & Arn. accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora lavarum Gaudich. accepted as Rhynchospora rugosa subsp. lavarum (Gaudich.) T.Koyama
- Species Rhynchospora laxa Benth. accepted as Rhynchospora chinensis Nees & Meyen
- Species Rhynchospora laxa R.Br. accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora laxa Vahl accepted as Rhynchospora corniculata (Lam.) A.Gray
- Species Rhynchospora laxa Schult. accepted as Rhynchospora longiflora C.Presl
- Species Rhynchospora leae C.B.Clarke
- Species Rhynchospora lechleri Steud. ex Boeckeler accepted as Rhynchospora vulcani Boeckeler
- Species Rhynchospora legrandii Kük. ex Barros
- Species Rhynchospora leptocarpa (Chapm. ex Britton) Small
- Species Rhynchospora leptorhyncha C.Wright
- Species Rhynchospora leptostachya Boeckeler accepted as Rhynchospora emaciata (Nees) Boeckeler
- Species Rhynchospora leucantha Boeckeler accepted as Rhynchospora albiceps Kunth
- Species Rhynchospora leucocarpa Ridl. accepted as Costularia leucocarpa (Ridl.) H.Pfeiff.
- Species Rhynchospora leucocephala (Michx.) Boeckeler accepted as Rhynchospora colorata (L.) H.Pfeiff.
- Species Rhynchospora leucoloma A.C.Araújo & Longhi-Wagner
- Species Rhynchospora leucostachys Boeckeler
- Species Rhynchospora limaensis H.Pfeiff.
- Species Rhynchospora lindeniana Griseb.
- Species Rhynchospora lindmanii H.Pfeiff.
- Species Rhynchospora lingulata Kük. accepted as Rhynchospora shaferi Britton
- Species Rhynchospora locuples C.B.Clarke
- Species Rhynchospora loefgrenii Boeckeler
- Species Rhynchospora longa (Lindm.) H.Pfeiff.
- Species Rhynchospora longibracteata Boeckeler
- Species Rhynchospora longiflora C.Presl
- Species Rhynchospora longifolia Boeckeler accepted as Rhynchospora speciosa (Kunth) Boeckeler
- Species Rhynchospora longifrons Kük. accepted as Rhynchospora joveroensis Britton
- Species Rhynchospora longigluma Kük.
- Species Rhynchospora longirostris (Michx.) Elliott accepted as Rhynchospora corniculata (Lam.) A.Gray
- Species Rhynchospora longirostris (Nees) Steud. accepted as Rhynchospora rionegrensis P.Weber & W.W.Thomas
- Species Rhynchospora longiseta Steud. accepted as Rhynchospora caduca Elliott
- Species Rhynchospora longisetigera Hayata accepted as Rhynchospora chinensis subsp. chinensis Nees & Meyen
- Species Rhynchospora longisetis R.Br.
- Species Rhynchospora longisetis F.Muell. accepted as Rhynchospora subtenuifolia Kük.
- Species Rhynchospora longispicata Boeckeler accepted as Rhynchospora filiformis Vahl
- Species Rhynchospora luetzelburgiana Kük.
- Species Rhynchospora lunata Griseb. accepted as Rhynchospora diodon (Nees) Griseb.
- Species Rhynchospora lundii Boeckeler accepted as Rhynchospora confinis (Nees) C.B.Clarke
- Species Rhynchospora luquillensis Britton accepted as Rhynchospora alba (L.) Vahl
- Species Rhynchospora luzuliformis Boeckeler accepted as Rhynchospora megapotamica (A.Spreng.) H.Pfeiff.
- Species Rhynchospora macra (C.B.Clarke ex Britton) Small
- Species Rhynchospora macrantha (Kunth) W.W.Thomas
- Species Rhynchospora macrocarpa Boeckeler accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora macrocephala Boeckeler accepted as Rhynchospora elatior Kunth
- Species Rhynchospora macrochaeta Steud. ex Boeckeler
- Species Rhynchospora macrostachya Torr. ex A.Gray
- Species Rhynchospora macrostachya Palla accepted as Rhynchospora splendens Lindm.
- Species Rhynchospora macrostylis A.Dietr. accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora maculata Maury ex Micheli accepted as Rhynchospora megapotamica (A.Spreng.) H.Pfeiff.
- Species Rhynchospora madagascariensis (Steud.) Cherm. accepted as Rhynchospora rubra subsp. africana J.Raynal
- Species Rhynchospora magarensis Leon
- Species Rhynchospora maguireana T.Koyama
- Species Rhynchospora malasica C.B.Clarke
- Species Rhynchospora mandonii C.B.Clarke
- Species Rhynchospora marcelo-guerrae Luceño & M.Alves
- Species Rhynchospora marginata (Liebm.) Steud. accepted as Rhynchospora globosa var. globosa (Kunth) Roem. & Schult.
- Species Rhynchospora marginata C.B.Clarke accepted as Rhynchospora submarginata Kük.
- Species Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora marisculus C.B.Clarke
- Species Rhynchospora marliniana Naczi, W.M.Knapp & W.W.Thomas
- Species Rhynchospora marquisensis F.Br.
- Species Rhynchospora martiana (Nees) L.B.Sm. accepted as Rhynchospora tenuiflora (Brongn.) L.B.Sm.
- Species Rhynchospora massieana E.G.Camus accepted as Rhynchospora longisetis R.Br.
- Species Rhynchospora mauritii Steud. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora mayarensis León
- Species Rhynchospora megalocarpa A.Gray
- Species Rhynchospora megaplumosa E.L.Bridges & Orzell
- Species Rhynchospora megapotamica (A.Spreng.) H.Pfeiff.
- Species Rhynchospora melanocarpa A.C.Araújo & W.W.Thomas
- Species Rhynchospora mendoncana Boeckeler
- Species Rhynchospora mesoatlantica A.Eberly & Naczi
- Species Rhynchospora metralis C.B.Clarke
- Species Rhynchospora mexicana (Liebm.) Steud.
- Species Rhynchospora mexicana (Liebm.) C.Wright accepted as Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora micrantha Vahl accepted as Rhynchospora rariflora (Michx.) Elliott
- Species Rhynchospora micrantha Pursh accepted as Rhynchospora rariflora (Michx.) Elliott
- Species Rhynchospora micrantha A.Gray accepted as Rhynchospora torreyana A.Gray
- Species Rhynchospora microcarpa Baldwin ex A.Gray
- Species Rhynchospora microcephala (Britton) Britton
- Species Rhynchospora microcephala (Bertero ex Spreng.) Kük. accepted as Rhynchospora radicans subsp. microcephala (Bertero ex Spreng.) W.W.Thomas
- Species Rhynchospora microseta Steud. accepted as Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora miliacea (Lam.) A.Gray
- Species Rhynchospora millegrana Schrad. ex Steud.
- Species Rhynchospora millegrana (Nees) L.B.Sm. accepted as Rhynchospora orbignyana (Brongn.) L.B.Sm.
- Species Rhynchospora minarum Steud. accepted as Rhynchospora terminalis (Nees) Steud.
- Species Rhynchospora minor (Nees) Steud. accepted as Rhynchospora leucostachys Boeckeler
- Species Rhynchospora minor Nees accepted as Rhynchospora leucostachys Boeckeler
- Species Rhynchospora minor Nelmes accepted as Rhynchospora rubra subsp. africana J.Raynal
- Species Rhynchospora minutiflora C.D.Adams accepted as Rhynchospora contracta (Nees) J.Raynal
- Species Rhynchospora mixta Britton
- Species Rhynchospora miyakeana Makino accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora modesti-lucennoi Castrov.
- Species Rhynchospora mollis (Wall.) Schult.
- Species Rhynchospora monadelpha C.B.Clarke accepted as Rhynchospora hirta (Nees) Boeckeler
- Species Rhynchospora monostachya Steud. accepted as Eleocharis tuberculosa (Michx.) Roem. & Schult.
- Species Rhynchospora monostachya Boeckeler accepted as Rhynchospora albescens (Miq.) Kük.
- Species Rhynchospora montana (Uittien) H.Pfeiff.
- Species Rhynchospora montevidensis (Barros) Herter accepted as Rhynchospora hieronymi var. montevidensis Barros
- Species Rhynchospora moritziana Boeckeler accepted as Rhynchospora aristata var. moritziana (Boeckeler) Kük.
- Species Rhynchospora multiflora A.Gray accepted as Rhynchospora elliottii A.Dietr.
- Species Rhynchospora multiflora Nees accepted as Rhynchospora polyantha Steud.
- Species Rhynchospora nana (Boeckeler) H.Pfeiff. accepted as Rhynchospora pilosa Boeckeler
- Species Rhynchospora nanuzae Rocha & Luceño
- Species Rhynchospora nardifolia (Kunth) Boeckeler
- Species Rhynchospora neesii Steud.
- Species Rhynchospora nervosa (Vahl) Boeckeler
- Subspecies Rhynchospora nervosa subsp. ciliata (Vahl) T.Koyama accepted as Rhynchospora pura (Nees) Griseb.
- Subspecies Rhynchospora nervosa subsp. nervosa (Vahl) Boeckeler accepted as Rhynchospora nervosa (Vahl) Boeckeler
- Variety Rhynchospora nervosa var. blepharophora (J.Presl & C.Presl) Kük. accepted as Rhynchospora blepharophora (J.Presl & C.Presl) H.Pfeiff.
- Variety Rhynchospora nervosa var. ciliata (Vahl) Kük. accepted as Rhynchospora pura (Nees) Griseb.
- Variety Rhynchospora nervosa var. cinnamomea (Kük.) Kük. accepted as Rhynchospora pura (Nees) Griseb.
- Variety Rhynchospora nervosa var. jelskiana (Boeckeler) Kük. accepted as Rhynchospora pura (Nees) Griseb.
- Variety Rhynchospora nervosa var. polystachys (Turrill) Kük. accepted as Rhynchospora polystachys (Turrill) H.Pfeiff.
- Variety Rhynchospora nervosa var. standleyana (H.Pfeiff.) Kük. accepted as Rhynchospora blepharophora (J.Presl & C.Presl) H.Pfeiff.
- Variety Rhynchospora nervosa var. subfiliformis (H.Pfeiff.) Kük. accepted as Rhynchospora berteroi (Spreng.) C.B.Clarke
- Variety Rhynchospora nervosa var. tenuifolia (Kunth) H.Pfeiff. accepted as Rhynchospora nervosa (Vahl) Boeckeler
- Species Rhynchospora niederleiniana Boeckeler accepted as Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora nipensis Britton
- Species Rhynchospora nipensis Kük. accepted as Rhynchospora mayarensis León
- Species Rhynchospora nipponica Makino accepted as Rhynchospora malasica C.B.Clarke
- Species Rhynchospora nitens (Vahl) A.Gray
- Species Rhynchospora nitida Spreng. accepted as Schoenus compar L.
- Species Rhynchospora nivea Boeckeler
- Species Rhynchospora nuda Gale
- Species Rhynchospora oaxacana Kral & W.W.Thomas accepted as Rhynchospora consanguinea (Kunth) Boeckeler
- Species Rhynchospora obliterata Gale accepted as Rhynchospora globularis var. globularis (Chapm.) Small
- Species Rhynchospora ochrocephala Boeckeler accepted as Cyperus rhynchosporoides Kük.
- Species Rhynchospora odorata C. Wright ex Griseb.
- Species Rhynchospora oligantha A.Gray
- Species Rhynchospora oligosantha Endl. ex Kunth accepted as Isolepis digitata Nees ex Schrad.
- Species Rhynchospora orbignyana (Brongn.) L.B.Sm.
- Species Rhynchospora oreoboloidea Gómez-Laur.
- Species Rhynchospora organensis C.B.Clarke
- Species Rhynchospora orizabensis C.B.Clarke ex Britton accepted as Rhynchospora dives Standl.
- Species Rhynchospora orizabensis C.B.Clarke ex Kük. accepted as Rhynchospora dives Standl.
- Species Rhynchospora ostenii Kük. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora ouensanensis Koidz. accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora oxycephala C.Wright accepted as Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora pallens Schrad. ex Nees accepted as Rhynchospora sellowiana Steud.
- Species Rhynchospora pallida M.A.Curtis
- Species Rhynchospora pallida (Nees) Steud. accepted as Rhynchospora patuligluma C.B.Clarke ex Lindm.
- Species Rhynchospora palustris Boeckeler accepted as Rhynchospora confinis (Nees) C.B.Clarke
- Species Rhynchospora panduranganii Viji, Shaju & Geetha Kum.
- Species Rhynchospora panicifolia Maury
- Species Rhynchospora panicoides Nees ex L.B.Sm.
- Species Rhynchospora paniculata A.Gray accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora paniculata C.Presl accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora paniculifera Steud. accepted as Rhynchospora schiedeana Kunth
- Species Rhynchospora papillosa W.W.Thomas
- Species Rhynchospora paraensis Schrad. ex Kunth
- Species Rhynchospora paramora Steyerm.
- Species Rhynchospora paramora Mora accepted as Rhynchospora oreoboloidea Gómez-Laur.
- Species Rhynchospora paranaensis A.C.Araújo & W.W.Thomas
- Species Rhynchospora parva (Nees) Steud. accepted as Rhynchospora rubra (Lour.) Makino
- Species Rhynchospora parva Aké Assi accepted as Rhynchospora rubra subsp. africana J.Raynal
- Species Rhynchospora parva (Nees) Kunth accepted as Rhynchospora rubra subsp. rubra (Lour.) Makino
- Species Rhynchospora parviflora Vahl ex Kunth accepted as Rhynchospora contracta (Nees) J.Raynal
- Species Rhynchospora parviflora Beyr. ex Kunth accepted as Rhynchospora microcarpa Baldwin ex A.Gray
- Species Rhynchospora patula A.Gray accepted as Rhynchospora caduca Elliott
- Species Rhynchospora patuligluma Lindm.
- Species Rhynchospora patuligluma C.B.Clarke ex Lindm.
- Species Rhynchospora pauciflora Willd. ex Kunth accepted as Actinoschoenus aphyllus (Vahl) Larridon
- Species Rhynchospora pauciflora C.Presl accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora pauloensis Boeckeler accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora pearcei (C.B.Clarke) W.W.Thomas
- Species Rhynchospora pedatifidus Sm.
- Species Rhynchospora pedersenii Guagl.
- Species Rhynchospora pendula A.Gray accepted as Rhynchospora elliottii A.Dietr.
- Species Rhynchospora penniseta Griseb. accepted as Rhynchospora plumosa Elliott
- Species Rhynchospora perplexa Britton
- Species Rhynchospora perrieri Cherm.
- Species Rhynchospora perrigida Boeckeler accepted as Bulbostylis paradoxa (Spreng.) Lindm.
- Species Rhynchospora persooniana Griseb. accepted as Rhynchospora colorata (L.) H.Pfeiff.
- Species Rhynchospora peruviana (C.B.Clarke) W.W.Thomas
- Species Rhynchospora petraea Nees accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora pfeifferi Herter
- Species Rhynchospora pilosa Boeckeler
- Species Rhynchospora pilulifera Bertol.
- Species Rhynchospora pineticola C.B.Clarke accepted as Rhynchospora intermedia (Chapm.) Britton
- Species Rhynchospora pinetorum Britton & Small accepted as Rhynchospora globularis var. pinetorum (Britton & Small) Gale
- Species Rhynchospora pirrensis W.W.Thomas
- Species Rhynchospora pittieri (Standl.) H.Pfeiff. accepted as Rhynchospora blepharophora (J.Presl & C.Presl) H.Pfeiff.
- Species Rhynchospora pittieri Boeckeler accepted as Rhynchospora macrochaeta var. macrochaeta Steud. ex Boeckeler
- Species Rhynchospora planifolia (T.Koyama) W.W.Thomas
- Species Rhynchospora plankii Britton accepted as Rhynchospora harveyi var. harveyi W.Boott
- Species Rhynchospora pleiantha (Kük.) Gale
- Species Rhynchospora plumosa Elliott
- Species Rhynchospora pluricarpa Pilg.
- Species Rhynchospora plusquamrobusta Luceño & M.Martins
- Species Rhynchospora podosperma C.Wright accepted as Rhynchospora filiformis Vahl
- Species Rhynchospora pohliana (Nees) Steud. accepted as Rhynchospora globosa var. globosa (Kunth) Roem. & Schult.
- Species Rhynchospora polyantha Steud.
- Species Rhynchospora polycephala (Nees) Wydler ex Kunth accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora polycephala C.Presl accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora polyphylla Balb. ex Kunth accepted as Rhynchospora contracta (Nees) J.Raynal
- Species Rhynchospora polystachys (Turrill) H.Pfeiff.
- Species Rhynchospora ponapensis Hosok. accepted as Rhynchospora rugosa f. ponapensis (Hosok.) T.Koyama
- Species Rhynchospora poratenuis Link
- Species Rhynchospora praecincta Maury ex Micheli
- Species Rhynchospora praecinctha Maury
- Species Rhynchospora prenteloupiana Boeckeler
- Species Rhynchospora prescottiana Wall. accepted as Rhynchospora longisetis R.Br.
- Species Rhynchospora presleana Steud. accepted as Rhynchospora globosa var. globosa (Kunth) Roem. & Schult.
- Species Rhynchospora pringlei C.B.Clarke accepted as Rhynchospora brevirostris Griseb.
- Species Rhynchospora pringlei Greenm. accepted as Rhynchospora scutellata Griseb.
- Species Rhynchospora prolifera Small accepted as Rhynchospora mixta Britton
- Species Rhynchospora prolifera (Nees) C.B.Clarke accepted as Rhynchospora schomburgkiana (Boeckeler) T.Koyama
- Species Rhynchospora pruinosa Griseb.
- Species Rhynchospora pruinosa C.B.Clarke
- Species Rhynchospora psammophila K. Alves, W. Thomas & A. Gil
- Species Rhynchospora pseudolunata Boeckeler accepted as Rhynchospora tenuis subsp. tenuis Link
- Species Rhynchospora pseudomacrostachya Gerry Moore, Guagl. & Zartman
- Species Rhynchospora pseudomariscus Kunth accepted as Rhynchospora gigantea Link
- Species Rhynchospora pseudosellowiana Kük. accepted as Rhynchospora sellowiana Steud.
- Species Rhynchospora psilocaryoides Griseb. accepted as Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora ptaritepuiana Steyerm. accepted as Rhynchospora vulcani Boeckeler
- Species Rhynchospora pterocarpa (Kunth) Roem. & Schult. accepted as Rhynchospora barbata (Vahl) Kunth
- Species Rhynchospora pterochaeta F.Muell.
- Species Rhynchospora pubera (Vahl) Boeckeler
- Species Rhynchospora puberula (Boeckeler) L.B.Sm. accepted as Rhynchospora orbignyana (Brongn.) L.B.Sm.
- Species Rhynchospora pubisquama M.T.Strong
- Species Rhynchospora punctata Elliott
- Species Rhynchospora punctata Boeckeler
- Species Rhynchospora puncticulata Kük. ex Osten accepted as Rhynchospora scutellata Griseb.
- Species Rhynchospora pungens Liebm. accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora pusilla Chapm. ex M.A.Curtis
- Species Rhynchospora pusilla (Sw.) Griseb. accepted as Rhynchospora berteroi (Spreng.) C.B.Clarke
- Species Rhynchospora pusilla Chapm. accepted as Rhynchospora intermixta C.Wright
- Species Rhynchospora pycnocarpa A.Gray accepted as Rhynchospora megalocarpa A.Gray
- Species Rhynchospora pyramidata Desv. accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora quadrispicata Boeckeler accepted as Rhynchospora ruiziana Boeckeler
- Species Rhynchospora quinquespicata Boeckeler accepted as Rhynchospora ruiziana Boeckeler
- Species Rhynchospora racemosa C.Wright
- Species Rhynchospora racemosa C.B.Clarke
- Species Rhynchospora radicans (Schltdl. & Cham.) H.Pfeiff.
- Species Rhynchospora randii Britton accepted as Rhynchospora scabrata Griseb.
- Species Rhynchospora rappiana Small accepted as Rhynchospora ciliaris (Michx.) C.Mohr
- Species Rhynchospora rariflora (Michx.) Elliott
- Species Rhynchospora ravenelii M.A.Curtis accepted as Rhynchospora divergens Chapm. ex M.A.Curtis
- Species Rhynchospora recognita (Gale) Kral
- Species Rhynchospora recurvata (Nees) Steud.
- Species Rhynchospora reitzii Silva Filho, W.W.Thomas & Boldrini
- Species Rhynchospora repens (Vahl) Boeckeler accepted as Rhynchospora reptans (Rich.) Kük.
- Species Rhynchospora reptans (Rich.) Kük.
- Species Rhynchospora reptans (Rich.) Boeckeler accepted as Rhynchospora reptans (Rich.) Kük.
- Species Rhynchospora rheophytica W.W.Thomas & Silva Filho
- Species Rhynchospora ridleyi C.B.Clarke
- Species Rhynchospora riedeliana C.B.Clarke
- Species Rhynchospora riedeliana Gand. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora rigida (Kunth) Boeckeler accepted as Rhynchospora albobracteata A.C.Araújo
- Species Rhynchospora rigida Schrad. ex Kunth accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora rigida Spreng. accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora rigidifolia (Gilly) T.Koyama
- Species Rhynchospora rigidula Schrad. ex Knuth accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora rionegrensis P.Weber & W.W.Thomas
- Species Rhynchospora riparia (Nees) Boeckeler
- Species Rhynchospora robusta (Kunth) Boeckeler
- Species Rhynchospora roraimae Kük.
- Species Rhynchospora rosae W.W.Thomas
- Species Rhynchospora rosemariana D.A.Simpson
- Species Rhynchospora rostrata Lindm.
- Species Rhynchospora rubra (Lour.) Makino
- Species Rhynchospora rudioi Boeckeler accepted as Rhynchospora riparia (Nees) Boeckeler
- Species Rhynchospora rudis C.B.Clarke
- Species Rhynchospora rufa (Nees) Boeckeler accepted as Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora rugosa (Vahl) Gale
- Species Rhynchospora ruiziana Boeckeler
- Species Rhynchospora rupestris A.C.Araújo & W.W.Thomas
- Species Rhynchospora rupicola M.T.Strong
- Species Rhynchospora ruppioides Benth. accepted as Eleocharis confervoides (Poir.) Steud.
- Species Rhynchospora sampaioana Gross
- Species Rhynchospora sampaioana Gross,R.
- Species Rhynchospora sanariapensis Steyerm.
- Species Rhynchospora sartoriana Boeckeler
- Species Rhynchospora saxicola Small accepted as Rhynchospora globularis var. saxicola (Small) Kük.
- Species Rhynchospora saxisavannicola M.T.Strong
- Species Rhynchospora scaberrima Boeckeler accepted as Rhynchospora gigantea Link
- Species Rhynchospora scabrata Griseb.
- Species Rhynchospora scalaris L.B.Sm.
- Species Rhynchospora scapigera Boeckeler accepted as Rhynchospora curvula Griseb.
- Species Rhynchospora schaffneri Boeckeler accepted as Rhynchospora kunthii Nees ex Kunth
- Species Rhynchospora schenckiana Boeckeler accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora schiedeana Kunth
- Species Rhynchospora schmidtii Kük.
- Species Rhynchospora schoenoides Alph.Wood accepted as Rhynchospora elliottii A.Dietr.
- Species Rhynchospora schoenoides Britton accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora schomburgkiana (Boeckeler) T.Koyama
- Species Rhynchospora schottmuelleri Boeckeler accepted as Rhynchospora pilulifera Bertol.
- Species Rhynchospora schraderiana Steud. accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora schroederi K.Schum. ex C.B.Clarke accepted as Rhynchospora eximia (Nees) Boeckeler
- Species Rhynchospora schroeteri C.B.Clarke
- Species Rhynchospora schwackei C.B.Clarke accepted as Rhynchospora lapensis C.B.Clarke
- Species Rhynchospora scirpoides (Torr.) Griseb.
- Species Rhynchospora sclerioides Hook. & Arn.
- Species Rhynchospora scutellata Griseb.
- Species Rhynchospora seccoi C.S.Nunes, Silva Filho & A.Gil
- Species Rhynchospora selloana Boeck.
- Species Rhynchospora selloiana Boeckeler accepted as Rhynchospora subsetosa C.B.Clarke
- Species Rhynchospora sellowiana Steud.
- Species Rhynchospora sellowiana Boeckeler accepted as Rhynchospora subsetosa C.B.Clarke
- Species Rhynchospora semihirsuta Boeckeler accepted as Rhynchospora robusta (Kunth) Boeckeler
- Species Rhynchospora semiinvolucrata J.Presl & C.Presl
- Species Rhynchospora semiplumosa A.Gray accepted as Rhynchospora plumosa Elliott
- Species Rhynchospora senegalensis Steud. accepted as Fuirena stricta subsp. stricta Steud.
- Species Rhynchospora serrana Silva Filho, W.W.Thomas & Boldrini
- Species Rhynchospora seslerioides Griseb.
- Species Rhynchospora setacea MacMill. accepted as Rhynchospora capillacea Torr.
- Species Rhynchospora setacea Vahl accepted as Rhynchospora fascicularis subsp. fascicularis (Michx.) Vahl
- Species Rhynchospora setacea Willd. ex Kunth accepted as Rhynchospora rariflora (Michx.) Elliott
- Species Rhynchospora setacea (P.J.Bergius) Boeckeler accepted as Rhynchospora tenerrima subsp. tenerrima Nees ex Spreng.
- Species Rhynchospora setigera (Kunth) Griseb.
- Species Rhynchospora setigera (Kunth) Boeck.
- Species Rhynchospora setigera Griseb. accepted as Rhynchospora subsetigera H.Pfeiff.
- Species Rhynchospora shaferi Britton
- Species Rhynchospora shepherdii K.N.L.Alves, W.W.Thomas & A.Gil
- Species Rhynchospora siguaneana Britton
- Species Rhynchospora sikkimensis C.B.Clarke accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora simplex (Kük.) Kük.
- Species Rhynchospora sinensis Steud. accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora smallii Britton accepted as Rhynchospora capitellata (Michx.) Vahl
- Species Rhynchospora smithii W.W.Thomas
- Species Rhynchospora sola Gale
- Species Rhynchospora solitaria R.M.Harper
- Species Rhynchospora sororopana Steyerm. accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora sparganioides (Lindl. ex Nees) Steud. accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora sparganioides Bojer accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora sparganoides Steud. accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora sparsa Sieber ex C.Presl accepted as Rhynchospora contracta (Nees) J.Raynal
- Species Rhynchospora sparsa (Michx.) Vahl accepted as Rhynchospora miliacea (Lam.) A.Gray
- Species Rhynchospora sparsiflora (Kunth) L.B.Sm.
- Species Rhynchospora speciosa (Kunth) Boeckeler
- Species Rhynchospora spectabilis Hochst. ex C.Krauss accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora spermodon Griseb. accepted as Rhynchospora tenerrima subsp. tenerrima Nees ex Spreng.
- Species Rhynchospora sphaerocephala Boeckeler accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora spicata Boeckeler accepted as Rhynchospora megapotamica (A.Spreng.) H.Pfeiff.
- Species Rhynchospora spicata Spreng. accepted as Scleria spicata (Spreng.) J.F.Macbr.
- Species Rhynchospora spiciformis Hillebr. accepted as Rhynchospora chinensis subsp. spiciformis (Hillebr.) T.Koyama
- Species Rhynchospora splendens Lindm.
- Species Rhynchospora spruceana C.B.Clarke
- Species Rhynchospora sprucei Boeckeler accepted as Rhynchospora reptans (Rich.) Kük.
- Species Rhynchospora squamulosa Kük.
- Species Rhynchospora standleyana H.Pfeiff. accepted as Rhynchospora blepharophora (J.Presl & C.Presl) H.Pfeiff.
- Species Rhynchospora stellata (Lam.) Griseb. accepted as Rhynchospora colorata (L.) H.Pfeiff.
- Species Rhynchospora stelligera Herter accepted as Rhynchospora setigera (Kunth) Griseb.
- Species Rhynchospora stenocarpa Kunth
- Species Rhynchospora stenophylla Chapm.
- Species Rhynchospora stenophylloidea (Kük.) Gale accepted as Rhynchospora cubensis A.Rich.
- Species Rhynchospora stenorhyncha Griseb. accepted as Rhynchospora triflora Vahl
- Species Rhynchospora steyermarkii T.Koyama
- Species Rhynchospora stiletto Naczi & Ciafré
- Species Rhynchospora stipitata C.B.Clarke
- Species Rhynchospora stipitata Chapm. accepted as Rhynchospora odorata C. Wright ex Griseb.
- Species Rhynchospora stokesii F.Br. accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora stolonifera (Nees) Boeckeler
- Species Rhynchospora stricta Boeckeler
- Species Rhynchospora stuebeli Boeck.
- Species Rhynchospora stuebelii Boeckeler accepted as Rhynchospora ruiziana Boeckeler
- Species Rhynchospora subcapitata Boeckeler accepted as Rhynchospora terminalis (Nees) Steud.
- Species Rhynchospora subdicephala T.Koyama
- Species Rhynchospora suberostris Boeckeler accepted as Rhynchospora grayi Kunth
- Species Rhynchospora subfiliformis H.Pfeiff. accepted as Rhynchospora berteroi (Spreng.) C.B.Clarke
- Species Rhynchospora subimberbis Griseb.
- Species Rhynchospora subimberbis C.B.Clarke
- Species Rhynchospora sublanata Lindeman & Donsel.
- Species Rhynchospora sublateralis Steud. accepted as Schoenus sublateralis (Steud.) C.B.Clarke
- Species Rhynchospora submarginata Kük.
- Species Rhynchospora subnipensis Kük. accepted as Rhynchospora mayarensis León
- Species Rhynchospora subplumosa C.B.Clarke
- Species Rhynchospora subquadrata Cherm. accepted as Rhynchospora gracillima subsp. subquadrata (Cherm.) J.Raynal
- Species Rhynchospora subsetigera H.Pfeiff.
- Species Rhynchospora subsetosa C.B.Clarke
- Species Rhynchospora subtenuifolia Kük.
- Species Rhynchospora subtilis Boeckeler
- Species Rhynchospora subulirostris Steud. accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora sulcata Gale
- Species Rhynchospora surinamensis (Rottb.) Nees accepted as Rhynchospora corymbosa (L.) Britton
- Species Rhynchospora sylvatica Nees accepted as Rhynchospora comata (Link) Schult.
- Species Rhynchospora talamancensis Gómez-Laur. & W.W.Thomas
- Species Rhynchospora tamana Steyerm. accepted as Rhynchospora macrochaeta var. macrochaeta Steud. ex Boeckeler
- Species Rhynchospora tenella (Nees) Boeckeler
- Species Rhynchospora tenerrima Nees ex Spreng.
- Species Rhynchospora tenerrima Boeckeler accepted as Rhynchospora tepuiana Steyerm.
- Species Rhynchospora tenuiflora (Brongn.) L.B.Sm.
- Species Rhynchospora tenuifolia Griseb.
- Species Rhynchospora tenuifolia Benth. accepted as Rhynchospora subtenuifolia Kük.
- Species Rhynchospora tenuirostris (Nees) Kunth accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora tenuis Link
- Species Rhynchospora tenuis Baldwin ex A.Gray accepted as Rhynchospora wrightiana Boeckeler
- Species Rhynchospora tenuiseta C.Wright accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora tepuiana Steyerm.
- Species Rhynchospora teres Eaton accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora terminalis (Nees) Steud.
- Species Rhynchospora testacea Boeckeler
- Species Rhynchospora testui Cherm. accepted as Rhynchospora gracillima subsp. subquadrata (Cherm.) J.Raynal
- Species Rhynchospora texensis (Torr.) Boeckeler accepted as Rhynchospora nitens (Vahl) A.Gray
- Species Rhynchospora thornei Kral
- Species Rhynchospora thouarsii Nees accepted as Rhynchospora brownii Roem. & Schult.
- Species Rhynchospora thyrsoidea Nees & Meyen accepted as Rhynchospora sclerioides Hook. & Arn.
- Species Rhynchospora thyrsoidea Nees & Meyen ex Kunth accepted as Rhynchospora sclerioides Hook. & Arn.
- Species Rhynchospora tomentosa Steyerm.
- Species Rhynchospora torresiana Britton & Standl.
- Species Rhynchospora torreyana A.Gray
- Species Rhynchospora torreyana Griseb. accepted as Rhynchospora glomerata (L.) Vahl
- Species Rhynchospora tracyi Britton
- Species Rhynchospora triceps (Cham. & Schltdl.) Steud. accepted as Rhynchospora exaltata Kunth
- Species Rhynchospora triceps (Vahl) Hochst. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora triceps Boeckeler accepted as Rhynchospora macrochaeta var. triceps Kük.
- Species Rhynchospora trichochaeta C.B.Clarke
- Species Rhynchospora trichodes C.B.Clarke accepted as Rhynchospora divaricata (Ham.) M.T.Strong
- Species Rhynchospora trichophora Nees
- Species Rhynchospora trichophylla Fernald accepted as Rhynchospora gracilenta A.Gray
- Species Rhynchospora triflora Vahl
- Species Rhynchospora triflora M.A.Curtis accepted as Rhynchospora oligantha A.Gray
- Species Rhynchospora trigyna Hochst.
- Species Rhynchospora trispicata (Nees) Schrad. ex Steud.
- Species Rhynchospora tuerckheimii C.B.Clarke ex Kük.
- Species Rhynchospora uleana Boeckeler accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora uleana Kük. accepted as Rhynchospora umbraticola Poepp. & Kunth
- Species Rhynchospora umbraticola Poepp. & Kunth
- Species Rhynchospora umemurae Makino accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora unguinux C.S.Nunes & A.Gil
- Species Rhynchospora uniflora Boeckeler accepted as Rhynchospora biflora Boeckeler
- Species Rhynchospora unisetosa T.Koyama
- Species Rhynchospora urbanii Boeckeler
- Species Rhynchospora urvillei Steud. accepted as Rhynchospora holoschoenoides (Rich.) Herter
- Species Rhynchospora vahliana Griseb. accepted as Rhynchospora pura (Nees) Griseb.
- Species Rhynchospora velloziiformis T.Koyama accepted as Rhynchospora confusa Ballard
- Species Rhynchospora velutina (Kunth) Boeckeler
- Species Rhynchospora venezolana Kük. accepted as Rhynchospora hirsuta (Vahl) Vahl
- Species Rhynchospora vicozensis Schult. accepted as Rhynchospora rugosa subsp. rugosa (Vahl) Gale
- Species Rhynchospora viridilutea C.B.Clarke accepted as Rhynchospora hassleri C.B.Clarke
- Species Rhynchospora vulcani Boeckeler
- Species Rhynchospora wageneriana (Schltdl.) Schnee accepted as Rhynchospora polyphylla (Vahl) Vahl
- Species Rhynchospora wallichiana Kunth accepted as Rhynchospora rubra subsp. rubra (Lour.) Makino
- Species Rhynchospora wallichii (Nees) Kunth accepted as Rhynchospora rubra (Lour.) Makino
- Species Rhynchospora wallichii (Nees) K.Schum. accepted as Rhynchospora rubra subsp. rubra (Lour.) Makino
- Species Rhynchospora warmingii Boeckeler
- Species Rhynchospora warmingii Boeck.
- Species Rhynchospora waspamensis Kral & W.W.Thomas
- Species Rhynchospora watsonii (Britton) Davidse
- Species Rhynchospora waytii Silva Filho & P.Weber
- Species Rhynchospora weberbaueri C.B.Clarke accepted as Rhynchospora marisculus Lindl. & Nees
- Species Rhynchospora widgrenii Boeckeler
- Species Rhynchospora wightiana (Nees) Steud.
- Species Rhynchospora wrightiana Boeckeler
- Species Rhynchospora wrightiana Boeck.
- Species Rhynchospora yakusimensis (Masam.) Masam. accepted as Rhynchospora faberi C.B.Clarke
- Species Rhynchospora yasudana Makino
- Species Rhynchospora zacualtipanensis M.T.Strong
- Species Rhynchospora zeylanica (Nees) Kunth
- Tribe Schenoplectae
- Tribe Schoeneae Dumort. (461)
- Tribe Schoenoplecteae Lye accepted as Schoenoplectieae Lye
- Tribe Schoenoplectieae Lye (25)
- Tribe Scirpeae T.Lestib. (82)
- Tribe Sclerieae Wight & Arn. (261)
- Tribe Sumatroscirpeae Lév.‐Bourret & J.R.Starr (4)
- Tribe Syntrinemeae L.T.Eiten
- Tribe Trichophoreae Lév.‐Bourret & J.R.Starr (21)
- Tribe Trilepideae Goetgh. (16)
- Subtribe Actinoscirpinae Tatanov
- Subtribe Bolboschoeninae Tatanov
- Subtribe Lipocarphinae
- Subtribe Schoenoplectinae Tatanov
- Genus Abildgardia Rchb. accepted as Fimbristylis Vahl
- Genus Abilgaardia Poir.
- Genus Acorellus Palla ex Kneuck. accepted as Cyperus L.
- Genus Acorus
- Genus Acriulus Ridl. accepted as Scleria P.J.Bergius
- Genus Acrocarpus Nees accepted as Krenakia S.M.Costa
- Genus Acrolepis Schrad. accepted as Ficinia Schrad.
- Genus Actaeogeton Steud. accepted as Scirpus Tourn. ex L.
- Genus Adamantogeton Schrad. ex Nees accepted as Lagenocarpus Nees
- Genus Adulpa Endl.
- Genus Adupla Bosc ex Juss. accepted as Cyperus L.
- Genus Adupla Bosc
- Genus Agistron Raf. accepted as Carex L.
- Genus Agylla Phil. accepted as Machaerina Vahl
- Genus Albikia J.Presl & C.Presl accepted as Hypolytrum Pers.
- Genus Aliniella J.Raynal accepted as Cyperus L.
- Genus Alinula J.Raynal accepted as Cyperus L.
- Genus Ammorrhiza Ehrh. accepted as Carex L.
- Genus Androcoma Nees accepted as Cyperus L.
- Genus Androtrichum (Brongn.) Brongn. accepted as Cyperus L.
- Genus Anerma Schrad. ex Nees accepted as Scleria P.J.Bergius
- Genus Anithista Raf. accepted as Carex L.
- Genus Anogyna Nees accepted as Lagenocarpus Nees
- Genus Anosporum Nees accepted as Cyperus L.
- Genus Anthophyllum Steud. accepted as Ficinia Schrad.
- Genus Antrolepis Welw. accepted as Cyperus L.
- Genus Apartea Pellegr. accepted as Mapania Aubl.
- Genus Aplostemon Raf. accepted as Fimbristylis Vahl
- Genus Archaeocarex Börner accepted as Carex L.
- Genus Ascolepis Nees ex Steud. accepted as Cyperus L.
- Genus Ascopholis C.E.C.Fisch. accepted as Cyperus L.
- Genus Asterochaete Nees (9)
- Genus Asteroschoenus Nees accepted as Rhynchospora Vahl
- Genus Astroschoenus Lindl. accepted as Rhynchospora Vahl
- Genus Atomostylis Steud. accepted as Cyperus L.
- Genus Aulacorhynchus Nees accepted as Tetraria P.Beauv.
- Genus Baeochortus Ehrh. accepted as Carex L.
- Genus Baeothryon Ehrh. ex A.Dietr. accepted as Eleocharis R.Br.
- Genus Baumea Gaudich. accepted as Machaerina Vahl
- Genus Beera P.Beauv. ex T.Lestib. accepted as Hypolytrum Pers.
- Genus Bitteria Börner accepted as Carex L.
- Genus Blepharolepis Nees accepted as Scirpus Tourn. ex L.
- Genus Blismus Friche-Joset & Montandon
- Genus Blysmocarex N.A.Ivanova accepted as Carex L.
- Genus Blysmopsis Oteng-Yeb. accepted as Blysmus Panz. ex Schult.
- Genus Blysmoschoenus Palla
- Genus Boeckeleria T.Durand accepted as Tetraria P.Beauv.
- Genus Bolboschoenoplectus Tatanov accepted as Bolboschoenus (Asch.) Palla
- Genus Borabora Steud. accepted as Cyperus L.
- Genus Buekia Nees accepted as Neesenbeckia Levyns
- Genus Buekia A.Rich.
- Genus Bulbostylis Steven accepted as Eleocharis R.Br.
- Genus Callistachys Heuff. accepted as Carex L.
- Genus Calyptrolepis Steud. accepted as Rhynchospora Vahl
- Genus Calyptrostylis Nees accepted as Rhynchospora Vahl
- Genus Campylostachys E.Mey. accepted as Fimbristylis Vahl
- Genus Capitularia Valck.Sur. accepted as Capitularina J.Kern
- Genus Caricella Ehrh. accepted as Carex L.
- Genus Caricina St.-Lag. accepted as Carex L.
- Genus Caricina C.H.Hitchc.
- Genus Caricinella St.-Lag. accepted as Carex L.
- Genus Catagyna P.Beauv. ex T.Lestib. accepted as Scleria P.J.Bergius
- Genus Catagyna Hutch. & Dalziel accepted as Afrotrilepis (Gilly) J.Raynal
- Genus Cephaloschoenus Nees accepted as Rhynchospora Vahl
- Genus Cephaloscirpus Kurz accepted as Mapania Aubl.
- Genus Ceratoschoenus Nees accepted as Rhynchospora Vahl
- Genus Chaetocyperus Nees accepted as Eleocharis R.Br.
- Genus Chaetospora R.Br. (3)
- Genus Chamaegyne Suess. accepted as Eleocharis R.Br.
- Genus Chamaeschoenus Ehrh. accepted as Scirpus Tourn. ex L.
- Genus Chamaexiphium Hochst. ex Steud. accepted as Ficinia Schrad.
- Genus Chapelliera Nees accepted as Machaerina Vahl
- Genus Chillania Roiv. accepted as Eleocharis R.Br.
- Genus Chionanthula Börner accepted as Carex L.
- Genus Chlorocharis Rikli accepted as Eleocharis R.Br.
- Genus Chlorocyperus Rikli accepted as Cyperus L.
- Genus Chondrachne R.Br. accepted as Lepironia Rich. in Pers.
- Genus Chondrolomia Nees accepted as Scleria P.J.Bergius
- Genus Chordorrhiza Ehrh. accepted as Carex L.
- Genus Choricarpha Boeckeler accepted as Lepironia Rich. in Pers.
- Genus Cladotheca Steud. accepted as Lagenocarpus Nees
- Genus Clavula Dumort. accepted as Eleocharis R.Br.
- Genus Cleistocalyx Steud. accepted as Rhynchospora Vahl
- Genus Cobresia Pers. accepted as Carex L.
- Genus Coleachyron J.Gay ex Boiss. accepted as Carex L.
- Genus Comostemum Nees accepted as Cyperus L.
- Genus Courtoisia Nees accepted as Cyperus L.
- Genus Courtoisina Soják accepted as Cyperus L.
- Genus Crepidocarpus Klotzsch ex Boeckeler accepted as Cyperus L.
- Genus Crosslandia W.Fitzg. accepted as Fimbristylis Vahl
- Genus Cryptoglochin Heuff. accepted as Carex L.
- Genus Cryptopodium Schrad. ex Nees accepted as Scleria P.J.Bergius
- Genus Cyathochaete Benth.
- Genus Cyatochaete Kük.
- Genus Cyclocampe Steud. accepted as Schoenus L.
- Genus Cyclocampe Benth. & Hook.f. accepted as Costularia C.B.Clarke
- Genus Cylindrolepis Boeckeler accepted as Cyperus L.
- Genus Cylindropus Nees accepted as Scleria P.J.Bergius
- Genus Cymophyllus Mack. ex Britton & A.Br. accepted as Carex L.
- Genus Cyperoides Ség. accepted as Carex L.
- Genus Cypringlea M.T.Strong accepted as Trichophorum Pers.
- Genus Cyprolepis Steud. accepted as Cyperus L.
- Genus Dapedostachys Börner accepted as Carex L.
- Genus Decalepis Boeckeler accepted as Tetraria P.Beauv.
- Genus Desmiograstis Börner accepted as Carex L.
- Genus Desmoschoenus Hook.f. accepted as Ficinia Schrad.
- Genus Deweya Raf. accepted as Carex L.
- Genus Diaphora Lour. accepted as Scleria P.J.Bergius
- Genus Dichismus Raf. accepted as Scirpus Tourn. ex L.
- Genus Dichostylis P.Beauv. ex T.Lestib. accepted as Fimbristylis Vahl
- Genus Dichroma Ham. accepted as Rhynchospora Vahl
- Genus Dichromena Michx. accepted as Rhynchospora Vahl
- Genus Diclidium Schrad. ex Nees accepted as Cyperus L.
- Genus Didymia Phil. accepted as Cyperus L.
- Genus Didymonema C.Presl accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Diemisa Raf. accepted as Carex L.
- Genus Diplarinus Raf. accepted as Scirpus Tourn. ex L.
- Genus Diplocarex Hayata accepted as Carex L.
- Genus Diplochaete Nees accepted as Rhynchospora Vahl
- Genus Diploscyphus Liebm. accepted as Scleria P.J.Bergius
- Genus Discopodium Steud. accepted as Tricostularia Nees ex Lehm.
- Genus Distimus Raf. accepted as Cyperus L.
- Genus Dornera Heuff. ex Schur accepted as Carex L.
- Genus Drymeia Ehrh. accepted as Carex L.
- Genus Durandia Boeckeler accepted as Scleria P.J.Bergius
- Genus Duval-jouvea Palla accepted as Cyperus L.
- Genus Echinochlaenia Börner accepted as Carex L.
- Genus Echinolytrum Desv. accepted as Fimbristylis Vahl
- Genus Echinoschoenus Nees & Meyen accepted as Rhynchospora Vahl
- Genus Ecklonea Steud. accepted as Trianoptiles Fenzl ex Endl.
- Genus Edritria Raf. accepted as Carex L.
- Genus Egleria L.T.Eiten accepted as Eleocharis R.Br.
- Genus Elaeocharis Brongn. accepted as Eleocharis R.Br.
- Genus Eleogenus Nees accepted as Eleocharis R.Br.
- Genus Eleogiton Link accepted as Isolepis R.Br.
- Genus Elyna Schrad. accepted as Carex L.
- Genus Elynanthus Nees accepted as Tetraria P.Beauv.
- Genus Elynanthus P.Beauv. ex T.Lestib.
- Genus Elytrospermum C.A.Mey. accepted as Schoenoplectus (Rchb.) Palla
- Genus Ephippiorhynchium Nees accepted as Rhynchospora Vahl
- Genus Epiandria C.Presl accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Epiphystis Trin. accepted as Cyperus L.
- Genus Epischoenus C.B.Clarke accepted as Schoenus L.
- Genus Eriochaeta Torr. ex Steud. accepted as Rhynchospora Vahl
- Genus Eriophorella Holub accepted as Trichophorum Pers.
- Genus Eriophoropsis Palla accepted as Eriophorum L.
- Genus Eriospora Hochst. ex A.Rich. accepted as Coleochloa Gilly
- Genus Eucyperus Rikli accepted as Cyperus L.
- Genus Eurostorhiza Steud. accepted as Caustis R.Br.
- Genus Everardia Ridl. accepted as Cephalocarpus Nees
- Genus Exphaloschoenus Nees
- Genus Facolos Raf. accepted as Carex L.
- Genus Fimbristyles Schult.
- Genus Fintelmannia Kunth accepted as Trilepis Nees
- Genus Forexeta Raf. accepted as Carex L.
- Genus Froelichia Wulfen accepted as Carex L.
- Genus Galilea Parl. accepted as Cyperus L.
- Genus Gaunia Scop.
- Genus Gavnia Scop.
- Genus Genersichia Heuff. accepted as Carex L.
- Genus Gussonea A.Rich. accepted as Fimbristylis Vahl
- Genus Gussonea J.Presl & C.Presl accepted as Fimbristylis Vahl
- Genus Gymnochaeta Steud. accepted as Schoenus L.
- Genus Haloschoenus Nees accepted as Rhynchospora Vahl
- Genus Haplostylis Nees accepted as Rhynchospora Vahl
- Genus Hedychloa
- Genus Hedychloe Raf. accepted as Cyperus L.
- Genus Heleocharis T.Lestib. accepted as Eleocharis R.Br.
- Genus Heleogiton Schult. accepted as Schoenoplectus (Rchb.) Palla
- Genus Heleonastes Ehrh. accepted as Carex L.
- Genus Heleophylax P.Beauv. ex T.Lestib. accepted as Schoenoplectus (Rchb.) Palla
- Genus Heliocharis Lindl. accepted as Eleocharis R.Br.
- Genus Helonema Suess. accepted as Eleocharis R.Br.
- Genus Helothrix Nees accepted as Schoenus L.
- Genus Hemicarex Benth. accepted as Carex L.
- Genus Hemicarpha Nees accepted as Cyperus L.
- Genus Hemichlaena Schrad. accepted as Ficinia Schrad.
- Genus Heuffelia Opiz accepted as Carex L.
- Genus Holmia Börner accepted as Carex L.
- Genus Holoschoenus Link accepted as Scirpoides Ség.
- Genus Homalostachys Boeckeler accepted as Carex L.
- Genus Hoppia Nees accepted as Bisboeckelera Kuntze
- Genus Hydroschoenus Zoll. & Moritzi accepted as Cyperus L.
- Genus Hygrocharis Nees accepted as Rhynchospora Vahl
- Genus Hymenochaeta P.Beauv. ex T.Lestib. accepted as Actinoscirpus (Ohwi) R.W.Haines & Lye
- Genus Hymenolytrum Schrad. ex Nees accepted as Scleria P.J.Bergius
- Genus Hypaelyptum Vahl accepted as Cyperus L.
- Genus Hypelythrum D.Dietr.
- Genus Hypoelytrum Kunth
- Genus Hypolepis P.Beauv. ex T.Lestib. accepted as Ficinia Schrad.
- Genus Hypophialium Nees accepted as Ficinia Schrad.
- Genus Hypoporum Nees accepted as Scleria P.J.Bergius
- Genus Ideleria Kunth accepted as Tetraria P.Beauv.
- Genus Indocourtoisia Bennet & Raizada accepted as Cyperus L.
- Genus Iria (Pers.) R.Hedw. accepted as Fimbristylis Vahl
- Genus Iriha Kuntze accepted as Fimbristylis Vahl
- Genus Isoschoenus Nees accepted as Schoenus L.
- Genus Itheta Raf. accepted as Carex L.
- Genus Juncellus C.B.Clarke accepted as Cyperus L.
- Genus Karinia Reznicek & McVaugh accepted as Scirpoides Ség.
- Genus Killinga T.Lestib. accepted as Cyperus L.
- Genus Killyngia Ham.
- Genus Kleistrocalyx Steud. accepted as Rhynchospora Vahl
- Genus Kobresia Willd. accepted as Carex L.
- Genus Kobria St.-Lag. accepted as Carex L.
- Genus Kolerma Raf. accepted as Carex L.
- Genus Kreczetoviczia Tzvelev accepted as Trichophorum Pers.
- Genus Kuekenthalia Börner accepted as Carex L.
- Genus Kyllinga Rottb. accepted as Cyperus L.
- Genus Kyllingiella R.W.Haines & Lye accepted as Cyperus L.
- Genus Lampocarya R.Br. accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Lamprochlaenia Börner accepted as Carex L.
- Genus Langevinia Jacq.-Fél. accepted as Mapania Aubl.
- Genus Lechleria Phil. accepted as Carex L.
- Genus Leiophyllum Ehrh. accepted as Scirpus Tourn. ex L.
- Genus Lepidospora (F.Muell.) F.Muell. accepted as Schoenus L.
- Genus Lepidotosperma Roem. & Schult. accepted as Lepidosperma Labill.
- Genus Lepisia C.Presl accepted as Tetraria P.Beauv.
- Genus Lepistachya Zipp. ex Miq. accepted as Mapania Aubl.
- Genus Leptolepis Boeckeler accepted as Blysmus Panz. ex Schult.
- Genus Leptoschoenus Nees accepted as Rhynchospora Vahl
- Genus Leptostachys Ehrh. accepted as Carex L.
- Genus Leptovignea Börner accepted as Carex L.
- Genus Lepyronia Rich in Pers. accepted as Lepironia Rich. in Pers.
- Genus Lerisca Schltdl. accepted as Lagenocarpus Nees
- Genus Leucocoma Rydb. accepted as Trichophorum Pers.
- Genus Leucoglochin Heuff. accepted as Carex L.
- Genus Leucoma Ehrh. accepted as Eriophorum L.
- Genus Limivasculum Börner accepted as Carex L.
- Genus Limnocharis Kunth accepted as Eleocharis R.Br.
- Genus Limnochloa P.Beauv. ex T.Lestib. accepted as Eleocharis R.Br.
- Genus Limonaetes Ehrh. accepted as Carex L.
- Genus Linagrostis Guett. accepted as Eriophorum L.
- Genus Lipocarpha R.Br. accepted as Cyperus L.
- Genus Lonchostylis Torr. accepted as Rhynchospora Vahl
- Genus Loncoperis Raf. accepted as Carex L.
- Genus Lophocarpus Link accepted as Schoenus L.
- Genus Lophocarpus Boeckeler accepted as Schoenus L.
- Genus Lophoschoenus Stapf accepted as Costularia C.B.Clarke
- Genus Loxanisa Raf. accepted as Carex L.
- Genus Loxotrema Raf. accepted as Carex L.
- Genus Lyprolepis Steud. accepted as Cyperus L.
- Genus Machaerina Nees accepted as Lepidosperma Labill.
- Genus Macrochaetium Steud. accepted as Tetraria P.Beauv.
- Genus Macrolomia Schrad. ex Nees accepted as Scleria P.J.Bergius
- Genus Malachochaete Nees ex Benth. & Hook.f.
- Genus Malacochaete Nees accepted as Schoenoplectus (Rchb.) Palla
- Genus Manochlaenia Börner accepted as Carex L.
- Genus Mapaniopsis C.B.Clarke accepted as Mapania Aubl.
- Genus Mariscopsis Cherm. accepted as Cyperus L.
- Genus Marisculus Goetgh. accepted as Cyperus L.
- Genus Mariscus Scop. accepted as Cladium P. Browne
- Genus Mariscus Vahl accepted as Cyperus L.
- Genus Mariscus Gaertn. accepted as Cyperus L.
- Genus Mastigloscleria Nees accepted as Scleria P.J.Bergius
- Genus Maukschia Heuff. accepted as Carex L.
- Genus Maximoviczia A.P.Khokhr. accepted as Scirpus Tourn. ex L.
- Genus Maximowicziella A.P.Khokhr. accepted as Scirpus Tourn. ex L.
- Genus Megadenus Raf. accepted as Eleocharis R.Br.
- Genus Megarrhena Schrad. ex Nees accepted as Cyperus L.
- Genus Melachne Schrad. ex Schult. & Schult.f. accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Melancranis Vahl accepted as Ficinia Schrad.
- Genus Melanoschoenos Ség. accepted as Schoenus L.
- Genus Meltrema Raf. accepted as Carex L.
- Genus Microchaeta Rchb. accepted as Rhynchospora Vahl
- Genus Microlepis Schrad. ex Nees accepted as Lagenocarpus Nees
- Genus Micropapyrus Suess. accepted as Rhynchospora Vahl
- Genus Mischospora Boeckeler accepted as Fimbristylis Vahl
- Genus Mitrospora Nees accepted as Rhynchospora Vahl
- Genus Morisia Nees accepted as Rhynchospora Vahl
- Genus Naikia Wad.Khan, Bhuskute & Kahalkar accepted as Diplacrum R.Br.
- Genus Neilreichia Kotula accepted as Carex L.
- Genus Nemocharis Beurl. accepted as Scirpus Tourn. ex L.
- Genus Nemochloa Nees accepted as Rhynchospora Vahl
- Genus Nemum Desv. accepted as Bulbostylis Kunth
- Genus Neolophocarpus E.G.Camus accepted as Schoenus L.
- Genus Neoscirpus Y.N.Lee & Y.C.Oh accepted as Trichophorum Pers.
- Genus Neo-senaea K.Schum. ex H.Pfeiff. accepted as Lagenocarpus Nees
- Genus Neskiza Raf. accepted as Carex L.
- Genus Nomochloa P.Beauv. ex T.Lestib. accepted as Blysmus Panz. ex Schult.
- Genus Nomochloa Nees accepted as Rhynchospora Vahl
- Genus Olamblis Raf. accepted as Carex L.
- Genus Olotrema Raf. accepted as Carex L.
- Genus Omoscleria Nees accepted as Scleria P.J.Bergius
- Genus Oncostylis Nees accepted as Bulbostylis Kunth
- Genus Onkerma Raf. accepted as Carex L.
- Genus Opetiola Gaertn. accepted as Cyperus L.
- Genus Ophryoscleria Nees accepted as Scleria P.J.Bergius
- Genus Oreobolopsis T.Koyama & Guagl. accepted as Trichophorum Pers.
- Genus Oreograstis K.Schum. accepted as Carpha Banks & Sol. ex R.Br.
- Genus Oriophorum Gunn.
- Genus Orobium Schrad. ex Nees accepted as Lagenocarpus Nees
- Genus Osculisa Raf. accepted as Carex L.
- Genus Osmoscleria Lindl.
- Genus Oxycaryum Nees accepted as Cyperus L.
- Genus Pachymitra Nees accepted as Rhynchospora Vahl
- Genus Pandanophyllum Hassk. accepted as Mapania Aubl.
- Genus Papyrus Willd. accepted as Cyperus L.
- Genus Pentasticha Turcz. accepted as Fuirena Rottb.
- Genus Phacellanthus Steud. accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Phaenopyrum Schrad. ex Nees accepted as Lagenocarpus Nees
- Genus Phaeocephalum Ehrh. accepted as Rhynchospora Vahl
- Genus Phaeocephalum Ehrh. ex House
- Genus Phaeolorum Ehrh. accepted as Carex L.
- Genus Phyllostachys Torr. accepted as Carex L.
- Genus Physiglochis Neck. accepted as Carex L.
- Genus Picreus Juss.
- Genus Platylepis Kunth accepted as Cyperus L.
- Genus Pleurachne Schrad. accepted as Ficinia Schrad.
- Genus Pleuranthus Pers. accepted as Dulichium Pers.
- Genus Pleurostachys Brongn. accepted as Rhynchospora Vahl
- Genus Plumaria Heist. ex Fabr. accepted as Eriophorum L.
- Genus Plumaria Bubani accepted as Eriophorum L.
- Genus Pogonostylis Bertol. accepted as Fimbristylis Vahl
- Genus Polyglochin Ehrh. accepted as Carex L.
- Genus Proteocarpus Börner accepted as Carex L.
- Genus Pseudocarex Miq. accepted as Carex L.
- Genus Pseudocyperus Steud. accepted as Fimbristylis Vahl
- Genus Pseudoeverardia Gilly accepted as Cephalocarpus Nees
- Genus Pseudomariscus Rauschert accepted as Cyperus L.
- Genus Psilocarya Torr. accepted as Rhynchospora Vahl
- Genus Psittacoschoenus Nees accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Psyllophora Ehrh. accepted as Carex L.
- Genus Ptacoseia Ehrh. accepted as Carex L.
- Genus Pterachne Schrad. ex Nees accepted as Cyperus L.
- Genus Pterochaete Arn. ex Boeckeler accepted as Rhynchospora Vahl
- Genus Pterocyperus Opiz accepted as Cyperus L.
- Genus Pterogyne Schrad. ex Nees accepted as Cyperus L.
- Genus Pterolepis Schrad. accepted as Schoenoplectus (Rchb.) Palla
- Genus Pteroscleria Nees accepted as Diplacrum R.Br.
- Genus Pterotheca C.Presl accepted as Rhynchospora Vahl
- Genus Pterygolepis Rchb. accepted as Schoenoplectus (Rchb.) Palla
- Genus Ptilanthelium Steud. accepted as Schoenus L.
- Genus Ptilochaeta Nees accepted as Rhynchospora Vahl
- Genus Ptilosciadium Steud. accepted as Rhynchospora Vahl
- Genus Ptychocaryum R.Br. ex Kuntze accepted as Scirpodendron Zipp. ex Kurz
- Genus Pycreus P.Beauv. accepted as Cyperus L.
- Genus Queenslandiella Domin accepted as Cyperus L.
- Genus Raymondiella B.Boivin
- Genus Raynalia Soják accepted as Cyperus L.
- Genus Reigera Opiz accepted as Bolboschoenus (Asch.) Palla
- Genus Remirea Aubl. accepted as Cyperus L.
- Genus Rhaptocalymma Borrer accepted as Carex L.
- Genus Rhaptocalymna
- Genus Rhincospora Gaudich.
- Genus Rhynchopera Börner accepted as Carex L.
- Genus Rhynchopera Link, Klotzsch & Otto
- Genus Rikliella J.Raynal accepted as Cyperus L.
- Genus Schelhammeria Moench accepted as Carex L.
- Genus Schizolepis Schrad. ex Nees accepted as Scleria P.J.Bergius
- Genus Schoenidium Nees accepted as Ficinia Schrad.
- Genus Schoenodendron Engl. accepted as Microdracoides Hua
- Genus Schoenoides O.Seberg accepted as Oreobolus R.Br.
- Genus Schoenopsis P.Beauv. ex T.Lestib. accepted as Tetraria P.Beauv.
- Genus Schoenoxiphium Nees accepted as Carex sect. Schoenoxiphium (Nees) Baill.
- Genus Scirpidiella Rauschert accepted as Isolepis R.Br.
- Genus Scirpidium Nees accepted as Eleocharis R.Br.
- Genus Scirpocyperus Ség. accepted as Bolboschoenus (Asch.) Palla
- Genus Sclerochaetium Nees accepted as Tetraria P.Beauv.
- Genus Seidlia Opiz accepted as Scirpus Tourn. ex L.
- Genus Sickmannia Nees accepted as Ficinia Schrad.
- Genus Sorostachys Steud. accepted as Cyperus L.
- Genus Spermodon P.Beauv. ex T.Lestib. accepted as Rhynchospora Vahl
- Genus Sphaerocyperus Lye accepted as Cyperus L.
- Genus Sphaeromariscus E.G.Camus accepted as Cyperus L.
- Genus Sphaeropus Boeckeler accepted as Scleria P.J.Bergius
- Genus Sphaeroschoenus Nees accepted as Rhynchospora Vahl
- Genus Stenophyllus Raf. accepted as Bulbostylis Kunth
- Genus Streblidia Link accepted as Schoenus L.
- Genus Syntrinema H.Pfeiff. accepted as Rhynchospora Vahl
- Genus Syziganthus Steud. accepted as Gahnia J.R.Forst. & G.Forst.
- Genus Taphrogiton Montandon accepted as Scirpus Tourn. ex L.
- Genus Temnemis Raf. accepted as Carex L.
- Genus Terobera Steud. accepted as Machaerina Vahl
- Genus Tetralepis Steud. accepted as Cyathochaeta Nees
- Genus Tetrariopsis C.B.Clarke accepted as Tetraria P.Beauv.
- Genus Thoracostachyum Kurz accepted as Mapania Aubl.
- Genus Thrycocephalum Steud.
- Genus Thryocephalon J.R.Forst. & G.Forst. accepted as Cyperus L.
- Genus Thysanocarex Börner accepted as Carex L.
- Genus Tonduzia Boeckeler accepted as Scleria P.J.Bergius
- Genus Torreya Raf. accepted as Cyperus L.
- Genus Torulinium Desv. accepted as Cyperus L.
- Genus Trachylomia Nees accepted as Scleria P.J.Bergius
- Genus Trachyrhynchium Nees accepted as Machaerina Vahl
- Genus Trasis P.Beauv. ex T.Lestib. accepted as Cladium P. Browne
- Genus Trasus Gray accepted as Carex L.
- Genus Trentepohlia Boeckeler accepted as Cyperus L.
- Genus Trichelostylis T.Lestib. accepted as Fimbristylis Vahl
- Genus Trichoballia C.Presl accepted as Tetraria P.Beauv.
- Genus Trichochaeta Steud. accepted as Rhynchospora Vahl
- Genus Trichophyllum Ehrh. accepted as Eleocharis R.Br.
- Genus Tringa Roxb.
- Genus Triodon Rich. accepted as Rhynchospora Vahl
- Genus Triodus Raf.
- Genus Tryocephalum Endl.
- Genus Tunga Roxb. accepted as Hypolytrum Pers.
- Genus Tylocarya Nelmes accepted as Fimbristylis Vahl
- Genus Ulea-flos C.B.Clarke ex H.Pfeiff. accepted as Lagenocarpus Nees
- Genus Ulva Adans. accepted as Carex L.
- Genus Ulva Haller
- Genus Uncinia Pers. accepted as Carex L.
- Genus Ungeria Nees ex C.B.Clarke accepted as Cyperus L.
- Genus Vaginaria Pers. accepted as Fuirena Rottb.
- Genus Vauthiera A.Rich. accepted as Lepidosperma Labill.
- Genus Vesicarex Steyerm. accepted as Carex L.
- Genus Vignantha Schur accepted as Carex L.
- Genus Vignea P.Beauv. ex T.Lestib. accepted as Carex L.
- Genus Vignidula Börner accepted as Carex L.
- Genus Vincentia Gaudich. accepted as Machaerina Vahl
- Genus Voladeria Benoist accepted as Oreobolus R.Br.
- Genus Volkiella Merxm. & Czech accepted as Cyperus L.
- Genus Websteria S.H.Wright accepted as Eleocharis R.Br.
- Genus Zosterospermon P.Beauv. ex T.Lestib. accepted as Rhynchospora Vahl