• Carex × abitibiana Lepage
• Carex aboriginum M.E.Jones
• Carex × abortiva Holmb.
• Carex abrupta Mack.
• Carex abscondita Mack.
• Carex acaulis d'Urv.
• Carex accrescens Ohwi^[3]
• Carex acicularis Boott
• Carex acidicola Naczi
• Carex acocksii C.Archer
• Carex acuta L.
• Carex × acutangula (F.Nyl.) Väre
• Carex acutata Boott
• Carex acutiformis Ehrh.
• Carex adelostoma V.I.Krecz.
• Carex adrienii E.G.Camus
• Carex adusta Boott
• Carex aematorrhyncha Desv.
• Carex aequialta Kük.
• Carex × aestivaliformis Mack.
• Carex aestivalis M.A.Curtis ex A.Gray
• Carex aethiopica Schkuhr
• Carex agglomerata C.B.Clarke
• Carex aggregata Mack.
• Carex × akitaensis Fujiw.
• Carex × akiyamana Ohwi
• Carex alajica Litv.
• Carex alata Torr.
• Carex alba Scop.
• Carex albata Boott ex Franch.
• Carex × albertii H.Lév.
• Carex albicans Willd. ex Spreng.
• Carex albida L.H.Bailey
• Carex albidibasis T.Koyama
• Carex albolutescens Schwein.
• Carex albonigra Mack.
• Carex alboviridis C.B.Clarke
• Carex albula Allan
• Carex albursina E.Sheld.
• Carex algida Turcz. ex V.I.Krecz.
• Carex allanii Hamlin
• Carex alligata Boott
• Carex alliiformis C.B.Clarke
• Carex allivescens V.I.Krecz.
• Carex × allolepis Rchb.
• Carex × alluvialis Figert
• Carex alma L.H.Bailey
• Carex × almii Holmb.
• Carex alopecoidea Tuck.
• Carex alopecuroides D.Don ex Tilloch & Taylor
• Carex × alsatica Zahn
• Carex alsophila F.Muell.
• Carex altaica Gorodkov
• Carex amgunensis F.Schmidt
• Carex amicta Boott
• Carex amphibola Steud.
• Carex amplectens Mack.
• Carex amplifolia Boott
• Carex andersonii Boott
• Carex andicola G.A.Wheeler
• Carex andina Phil.
• Carex andringitrensis Cherm.
• Carex angolensis Nelmes
• Carex angustata Boott
• Carex angustifructus (Kük.) Nelmes
• Carex angustinowiczii Meinsh. ex Korsh.
• Carex angustispica Reznicek & S.González
• Carex angustisquama Franch.
• Carex angustiutricula F.T.Wang & Tang ex L.K.Dai
• Carex × aniaiensis Fujiw. & Y.Matsuda
• Carex anisoneura V.I.Krecz.
• Carex anisostachys Liebm.
• Carex annectens (E.P.Bicknell) E.P.Bicknell
• Carex anningensis F.T.Wang & Tang ex P.C.Li
• Carex anomoea Hand.-Mazz.
• Carex anthoxanthea J.Presl & C.Presl
• Carex × anticostensis (Fernald) Lepage
• Carex antoniensis A.Chev.
• Carex aperta Boott
• Carex aphanolepis Franch. & Sav.^[3]
• Carex aphylla Kunth
• Carex aphyllopus Kük.
• Carex apiahyensis Palla
• Carex apoiensis Akiyama
• Carex appalachica J.M.Webber & P.W.Ball
• Carex appendiculata (Trautv. & C.A.Mey.) Kük.
• Carex appressa R.Br.
• Carex appropinquata Schumach.
• Carex aquatilis Wahlenb.
• Carex aquilonalis Akiyama
• Carex × arakanei T.Koyama
• Carex arapahoensis Clokey
• Carex archeri Boott
• Carex arcta Boott
• Carex arctata Boott
• Carex arctiformis Mack.
• Carex × arctophila F.Nyl.
• Carex arenaria L.
• Carex arenicola F.Schmidt^[3]
• Carex argentina Barros
• Carex argunensis Turcz. ex Ledeb.
• Carex argyi H.Lév. & Vaniot
• Carex argyrantha Tuck. ex Boott
• Carex aridula V.I.Krecz.
• Carex arisanensis Hayata
• Carex aristatisquamata Tang & F.T.Wang ex L.K.Dai
• Carex aristulifera P.C.Li
• Carex arkansana (L.H.Bailey) L.H.Bailey
• Carex arnellii Christ ex Scheutz
• Carex arnottiana Nees ex Drejer
• Carex arsenei Kük.
• Carex × arthuriana C.L.Beckm. & Figert
• Carex × aschersonii H.Lév.
• Carex ascotreta C.B. Clarke
• Carex asperifructus Kük.
• Carex asraoi D.M.Verma
• Carex assiniboinensis W.Boott
• Carex asturica Boiss.
• Carex asynchrona Naczi
• Carex atherodes Spreng.
• Carex athrostachya Olney
• Carex atlantica L.H.Bailey
• Carex atlasica (H.Lindb.) Tattou
• Carex atractodes F.J.Herm.
• Carex atrata L.^[3]
• Carex atratiformis Britton
• Carex atrivaginata Nelmes
• Carex atrofusca Schkuhr
• Carex atrofuscoides K.T.Fu
• Carex atropicta Steud.
• Carex atrosquama Mack.
• Carex atroviridis Ohwi
• Carex aueri Kalela
• Carex augustini Tuyama
• Carex augustinowiczii Meinsh.e^[3]
• Carex aurea Nutt.
• Carex aureolensis Steud.
• Carex × auroniensis L.C.Lamb.
• Carex austrina Mack.
• Carex austroafricana (Kük.) Raymond
• Carex austroalpina Bech.
• Carex austroamericana G.A.Wheeler
• Carex austrocaroliniana L.H.Bailey
• Carex austrokoreensis Ohwi
• Carex austromexicana Reznicek
• Carex austro-occidentalis F.T.Wang & Tang ex Y.C.Tang
• Carex austrosinensis Tang & F.T.Wang ex S.Y.Liang
• Carex austrozhejiangensis C.Z.Zheng & X.F.Jin
• Carex autumnalis Ohwi^[3]
• Carex aztecica Mack.
• Carex azuayae Steyerm.

• Carex baccans Nees
• Carex backii Boott
• Carex baileyi Britton
• Carex baimaensis S.W.Su
• Carex baiposhanensis P.C.Li
• Carex × bakkeriana D.T.E.Ploeg & Rudolphy
• Carex balansae Franch.
• Carex baldensis L.
• Carex balfourii Kük.
• Carex ballsii Nelmes
• Carex baltzellii Chapm.
• Carex bambusetorum Merr.
• Carex banksii Boott
• Carex baohuashanica Tang & F.T.Wang ex L.K.Dai
• Carex barbarae Dewey
• Carex barbata Boott
• Carex baronii Baker
• Carex barrattii Torr. ex Schwein.
• Carex basiantha Steud.
• Carex bathiei H.Lév.
• Carex bavicola Raymond
• Carex bebbii Olney ex Britton
• Carex beckii G.A.Wheeler
• Carex × beckmanniana Figert
• Carex × beckmannii Keck
• Carex bella L.H.Bailey
• Carex × bengyana H.Lév. & L.C.Lamb.
• Carex benkei Tak.Shimizu
• Carex bequaertii De Wild.
• Carex berggrenii Petrie
• Carex bermudiana Hemsl.
• Carex berteroana Steud.
• Carex berteroniana Steud.
• Carex bichenoviana Boott
• Carex bicknellii Britton & A.Br.
• Carex bicolor Bellardi ex All.
• Carex biegensis Cherm.
• Carex bigelowii Torr. ex Schwein.^[3]
• Carex × biharica Simonk.
• Carex bijiangensis S.Yun Liang & S.R.Zhang
• Carex bilateralis Hayata
• Carex biltmoreana Mack.
• Carex × binderi Podp.
• Carex binervis Sm.
• Carex bitchuensis T.Hoshino & H.Ikeda
• Carex blakei Nelmes
• Carex blanda Dewey
• Carex blepharicarpa Franch.^[3]
• Carex blinii H.Lév. & Vaniot
• Carex bodinieri Franch.
• Carex boecheriana Á.Löve, D.Löve & Raymond
• Carex boelckeiana Barros
• Carex × boenninghausiana Weihe
• Carex × bogstadensis Kük.
• Carex bohemica Schreb.
• Carex bolanderi Olney
• Carex × bolina Láng
• Carex boliviensis Van Heurck & Müll.Arg.
• Carex bonanzensis Britton
• Carex bonariensis Desf. ex Poir.
• Carex bonplandii Kunth
• Carex boottiana Hook. & Arn.^[3]
• Carex borbonica Lam.
• Carex borealihinganica Y.L.Chang & Y.L.Yang
• Carex borii Nelmes
• Carex boryana Schkuhr
• Carex bostrychostigma Maxim.^[3]
• Carex brachyanthera Ohwi
• Carex brachycalama Griseb.
• Carex brachystachys Schrank
• Carex bracteosa Kunze
• Carex bradei Gross
• Carex brainerdii Mack.
• Carex brasiliensis A.St.-Hil.
• Carex brassii Nelmes
• Carex breviaristata K.T.Fu
• Carex brevicollis DC.
• Carex breviculmis R.Br.^[3]
  • Carex breviculmis var. fibrillosa (Franch. & Sav.) Matsum. & Hayata^[3]
• Carex brevicuspis C.B.Clarke
• Carex brevior (Dewey) Mack. ex Lunell
• Carex breviscapa C.B.Clarke
• Carex breweri Boott
• Carex brizoides L.
• Carex bromoides Willd.
• Carex brongniartii Kunth
• Carex brownii Tuck.^[3]
  • Carex brownii subsp. transversa (Boott) J.Kern^[3]
• Carex brunnea Thunb.
• Carex brunnescens (Pers.) Poir.
• Carex brunnipes Reznicek
• Carex brysonii Naczi
• Carex buchananii Berggr.
• Carex bucharica Kük.
• Carex buekii Wimm.
• Carex bulbostylis Mack.
• Carex bullata Willd.
• Carex burchelliana Boeckeler
• Carex burttii Noltie
• Carex bushii Mack.
• Carex buxbaumii Wahlenb.^[3]

• Carex caduca Boott
• Carex caeligena Reznicek
• Carex × caesariensis Mack.
• Carex caespititia Nees
• Carex calcicola Tang & F.T.Wang
• Carex calcifugens Naczi
• Carex calcis K.A.Ford
• Carex californica L.H.Bailey
• Carex callista Nelmes
• Carex callitrichos V.I.Krecz.
  • Carex callitrichos var. nana (H.Lév. & Vaniot) S.Yun Liang, L.K.Dai & Y.C.Tang^[3]
• Carex cambodiensis Nelmes
• Carex camposii Boiss. & Reut.
• Carex campylorhina V.I.Krecz.
• Carex canaliculata P.C.Li
• Carex canariensis Kük.
• Carex × candriana Kneuck.
• Carex canescens L.^[3]
• Carex canina Dunn
• Carex capillacea Boott^[3]
• Carex capillacea var. sachalinensis (F.Schmidt) Ohwi^[3]
• Carex capillaris L.^[3]
• Carex capilliculmis S.R.Zhang
• Carex capilliformis Franch.
• Carex capitata Sol.
• Carex capitellata Boiss. & Balansa
• Carex capricornis Meinsh. ex Maxim.^[3]
• Carex cardiolepis Nees
• Carex careyana Torr. ex Dewey
• Carex × cariei Aubin
• Carex caroliniana Schwein.
• Carex carsei Petrie
• Carex caryophyllea Latourr.
  • Carex caryophyllea var. microtricha (Franch.) Kük.
• Carex castanea Wahlenb.
• Carex castanostachya K.Schum. ex Kük.
• Carex catamarcensis C.B.Clarke ex Kük.
• Carex cataphyllodes Nelmes
• Carex cataractae R.Br.
• Carex catharinensis Boeck.
• Carex caudata (Kük.) Pereda & Laínz
• Carex caudispicata F.T.Wang & Tang ex P.C.Li
• Carex cavaleriensis H.Lév. & Vaniot
• Carex caxinensis F.J.Herm.
• Carex × cayouettei A.Bergeron^[4]
• Carex celebica Kük.
• Carex × cenantha A.E.Kozhevn.
• Carex cephaloidea (Dewey) Dewey ex Boott
• Carex cephalophora Muhl. ex Willd.
• Carex cephalotes F.Muell.
• Carex cercidascus C.B.Clarke
• Carex cespitosa L.^[3]
• Carex × cetica Rech.
• Carex ceylanica Boeckeler
• Carex chaffanjonii E.G.Camus
• Carex chalciolepis Holm
• Carex changmuensis Tang & F.T.Wang ex Y.C.Yang
• Carex chaofangii C.Z.Zheng & X.F.Jin
• Carex chapmanii Steud.
• Carex chathamica Petrie
• Carex cheniana Tang & F.T.Wang ex S.Y.Liang
• Carex cherokeensis Schwein.
• Carex chiapensis F.J.Herm.
• Carex chichijimensis Katsuy.
• Carex chihuahuensis Mack.
• Carex chikungana L.H.Bailey
• Carex chillanensis Phil.
• Carex chinensis Retz.
• Carex chinoi Ohwi ex T.Koyama
• Carex chiovendae Pamp.
• Carex chiwuana F.T.Wang & Tang ex P.C.Li
• Carex chlorantha R.Br.
• Carex chlorocephalula F.T.Wang & Tang ex P.C.Li
• Carex chloroleuca Meinsh.
• Carex chlorosaccus C.B.Clarke
• Carex chorda H.Lév. & Vaniot
• Carex chordorrhiza L.f.^[3]
• Carex chosenica Ohwi^[3]
• Carex chrysolepis Franch. & Sav.
• Carex chuiana F.T.Wang & Tang ex P.C.Li
• Carex chuii Nelmes
• Carex chungii Z.P.Wang
• Carex cilicica Boiss.
• Carex cinerascens Kük.^[3]
• Carex circinnata C.A.Mey.
• Carex cirrhosa Berggr.
• Carex cirrhulosa Nees
• Carex × clausa Holmb.
• Carex clavata Thunb.
• Carex clivorum Ohwi
• Carex cochinchinensis Raymond
• Carex cochranei Reznicek
• Carex cockayniana Kük.
• Carex cognata Kunth
• Carex colchica J.Gay
• Carex colensoi Boott
• Carex collifera Ohwi
• Carex collimitanea V.I.Krecz.
• Carex collinsii Nutt.
• Carex collumanthus (Steyerm.) L.E.Mora
• Carex comans Berggr.
• Carex commixta Steud.
• Carex communis L.H.Bailey
• Carex comosa Boott
• Carex complanata Torr. & Hook.
• Carex composita Boott
• Carex concinna R.Br.
• Carex concinnoides Mack.
• Carex condensata Nees
• Carex conferta Hochst. ex A.Rich.
• Carex confertospicata Boeckeler
• Carex congdonii L.H.Bailey
• Carex congestiflora Reznicek & S.González
• Carex conica Boott^[3]
• Carex conjuncta Boott
• Carex × connectens Holmb.
• Carex conoidea Willd.
• Carex conoides Kük.
• Carex conspecta Mack.
• Carex conspissata V.I.Krecz.
• Carex constanceana Stacey
• Carex continua C.B.Clarke
• Carex contracta F.Muell.
• Carex cordillerana Saarela & B.A.Ford
• Carex cordouei H.Lév.
• Carex coriacea Hamlin
• Carex coriogyne Nelmes
• Carex corrugata Fernald
• Carex × corstorphinei Druce
• Carex cortesii Liebm.
• Carex × costei Rouy
• Carex coulteri Boott ex Hemsl.
• Carex coxiana Petrie
• Carex cranaocarpa Nelmes
• Carex crassibasis H.Lév. & Vaniot
• Carex crassiflora Kük.
• Carex crawei Dewey ex Torr.
• Carex crawfordii Fernald
• Carex crebra V.I.Krecz.
• Carex crebriflora Wiegand
• Carex cremnicola K.A.Ford
• Carex × crepinii Torges
• Carex cretica Gradst. & J.Kern
• Carex crinita Lam.
• Carex × crinitoides Lepage
• Carex cristatella Britton & A.Br.
• Carex cruciata Wahlenb.
• Carex cruenta Nees
• Carex crus-corvi Shuttlew. ex Kunze
• Carex × cryptochlaena Holm
• Carex cryptolepis Mack.
• Carex cryptostachys Brongn.
• Carex × csomadensis Simonk.
• Carex cubensis Kük.
• Carex cuchumatanensis Standl. & Steyerm.
• Carex culmenicola Steyerm.
• Carex cumberlandensis Naczi, Kral & Bryson
• Carex cumulata (L.H.Bailey) Mack.
• Carex cuprina (Sándor ex Heuff.) Nendtv. ex A.Kern.
• Carex curaica Kunth
• Carex curatorum Stacey
• Carex curvicollis Franch. & Sav.
• Carex curviculmis Reznicek
• Carex curvula All.
• Carex cusickii Mack.
• Carex cuspidosa Dunn
• Carex cylindrostachya Franch.
• Carex cyprica A.M.Molina, Acedo & Llamas
• Carex cyrtosaccus C.B.Clarke

• Carex dabieensis S.W.Su
• Carex dahurica Kük.
• Carex dailingensis Y.L.Chou
• Carex daisenensis Nakai
• Carex dallii Kirk
• Carex daltonii Boott
• Carex damiaoshanensis X.F.Jin & C.Z.Zheng
• Carex × danielis H.Lév.
• Carex darwinii Boott
• Carex dasycarpa Muhl.
• Carex davalliana Sm.
• Carex davidii Franch.
• Carex david-smithii Reznicek
• Carex davisii Schwein. & Torr.
• Carex davyi Mack.
• Carex dayuongensis Z.P.Wang
• Carex × deamii F.J.Herm.
• Carex debeauxii H.Lév. & Vaniot
• Carex debilis Michx.
• Carex decaulescens V.I.Krecz.
• Carex decidua Boott
• Carex deciduisquama F.T.Wang & Tang ex P.C.Li
• Carex declinata Boott
• Carex × decolorans Wimm.
• Carex decomposita Muhl.
• Carex decora Boott
• Carex decurtata Cheeseman
• Carex deflexa Hornem.
• Carex × deinbolliana J.Gay
• Carex delavayi Franch.
• Carex delicata C.B.Clarke
• Carex densa (L.H.Bailey) L.H.Bailey
• Carex densicaespitosa L.K.Dai
• Carex densifimbriata Tang & F.T.Wang
• Carex densinervosa Chiov.
• Carex densipilosa C.Z.Zheng & X.F.Jin
• Carex depauperata Curtis ex Stokes
• Carex depressa Link
• Carex deqinensis L.K.Dai
• Carex derelicta Å tepánková
• Carex × descendens Kük.
• Carex × deserta Merino
• Carex desponsa Boott
• Carex devia Cheeseman
• Carex deweyana Schwein.
• Carex dianae Steud.
• Carex diandra Schrank
• Carex diastena V.I.Krecz.
• Carex dichroa Freyn
• Carex dickinsii Franch. & Sav.^[3]
• Carex dielsiana Kük.
• Carex digitalis Willd.
• Carex digitata L.
• Carex diluta M.Bieb.
• Carex diminuta Boeckeler
• Carex dimorpholepis Steud.^[3]
• Carex dioica L.
• Carex diplodon Nelmes
• Carex dipsacea Berggr.
• Carex dispalata Boott^[3]
• Carex disperma Dewey^[3]
• Carex dissita Sol. ex Boott
• Carex dissitiflora Franch.
• Carex dissitispicula Ohwi
• Carex distachya Desf.
• Carex distans L.
• Carex distentiformis F.J.Herm.
• Carex disticha Huds.
• Carex distracta C.B.Clarke
• Carex divisa Huds.
• Carex divulsa Stokes
• Carex doenitzii Boeckeler
• Carex doisutepensis T.Koyama
• Carex dolichogyne T.Koyama
• Carex dolichostachya Hayata
• Carex dolomitica Heenan & de Lange
• Carex doniana Spreng.
• Carex donnell-smithii L.H.Bailey
• Carex douglasii Boott
• Carex drepanorhyncha Franch.
• Carex druceana Hamlin
• Carex drymophila Turcz.
• Carex × ducellieri Beauverd
• Carex × duereriana Kük.
• Carex × dufftii Hausskn.
• Carex × dumanii Lepage
• Carex dunniana H.Lév.
• Carex durangensis Reznicek & S.González
• Carex durieui Steud. ex Kunze
• Carex duriuscula C.A.Mey.
  • Carex duriuscula subsp. rigescens (Franch.) S.Yun Liang & Y.C.Tang
• Carex dusenii Kük. ex Dusén
• Carex duvaliana Franch. & Sav.

• Carex earistata F.T.Wang & Y.L.Chang ex S.Yun Liang
• Carex ebenea Rydb.
• Carex eburnea Boott
• Carex echinata Murray
• Carex echinochloe Kunze
• Carex echinochloiformis Y.L.Chang ex Y.C.Yang
• Carex echinodes (Fernald) P.Rothr., Reznicek & Hipp
• Carex echinus Ohwi
• Carex ecklonii Nees
• Carex ecostata C.B.Clarke
• Carex ecuadorica Kük.
• Carex edgariae Hamlin
• Carex edwardsiana E.L.Bridges & Orzell
• Carex egena H.Lév. & Vaniot
• Carex egglestonii Mack.
• Carex egorovae A.M.Molina, Acedo & Llamas
• Carex ekmanii Kük.
• Carex × elanescens Cif. & Giacom.
• Carex elata All.
• Carex elatior Boeckeler
• Carex eleusinoides Turcz. ex Kunth
• Carex elingamita Hamlin
• Carex × elisabethae J.Andrés & al.
• Carex elliottii Schwein. & Torr.
• Carex elongata L.
• Carex eluta Nelmes
• Carex elynoides Holm
• Carex × elytroides Fr.
• Carex emirnensis Baker
• Carex × emmae L.Gross
• Carex emoryi Dewey
• Carex endlichii Kük.
• Carex enervis C.A.Mey.
• Carex engelmannii L.H.Bailey
• Carex enneastachya C.B.Clarke
• Carex enokii A.M.Molina, Acedo & Llamas
• Carex ensifolia Turcz. ex Besser
• Carex enysii Petrie
• Carex erawinensis Korotky
• Carex erebus K.A.Ford
• Carex ereica Tang & F.T.Wang ex L.K.Dai
• Carex eremitica Paine
• Carex eremopyroides V.I.Krecz.
• Carex eremostachya S.T.Blake
• Carex ericetorum Pollich
• Carex eriocarpa Hausskn. & Kük.
• Carex erythrobasis H.Lév. & Vaniot
• Carex erythrorrhiza Boeckeler
• Carex esquiroliana H.Lév.
• Carex esquirolii H.Lév. & Vaniot
• Carex euprepes Nelmes
• Carex euryphylla Cherm.
• Carex evadens S.González & Reznicek
• Carex × evoluta Hartm.
• Carex excelsa Poepp. ex Kunth
• Carex exilis Dewey
• Carex × exsalina Lepage
• Carex exsiccata L.H.Bailey
• Carex extensa Gooden.

• Carex faberiana Loes.
• Carex fascicularis Boott
• Carex fastigiata Franch.
• Carex × favratii Christ
• Carex feanii F.Br.
• Carex fecunda Steud.
• Carex feddeana H.Pfeiff.
• Carex fedia Nees
• Carex × felixii L.C.Lamb.
• Carex fenghuangshanica F.T.Wang & Tang ex P.C.Li
• Carex × ferdinandi-sauteri Asch. & Graebn.
• Carex fernandezensis Mack. ex G.A.Wheeler
• Carex ferruginea Scop.
• Carex festivelloides Reznicek
• Carex festucacea Schkuhr ex Willd.
• Carex feta L.H.Bailey
• Carex × figertii Asch. & Graebn.
• Carex filamentosa Petrie
• Carex filicina Nees
• Carex filifolia Nutt.
• Carex filiformis L.
• Carex filipedunculata S.W.Su
• Carex filipes Franch. & Sav.
  • Carex filipes var. oligostachys Kük.
• Carex × filkukae Podp.
• Carex fimbriata Schkuhr
• Carex finitima Boott
• Carex firma Host
• Carex firmicaulis Kalela
• Carex × firmior (Norman) Holmb.
• Carex fischeri K.Schum.
• Carex fissa Mack.
• Carex fissuricola Mack.
• Carex flabellata H.Lév. & Vaniot
• Carex flacca Schreb.
• Carex flaccosperma Dewey
• Carex flagellifera Colenso
• Carex flava L.
• Carex × flavicans (F.Nyl.) F.Nyl.
• Carex flaviformis Nelmes
• Carex flavocuspis Franch. & Sav.
• Carex flexirostris Reznicek
• Carex flexuosa Muhl. ex Willd.
• Carex floridana Schwein.
• Carex fluviatilis Boott
• Carex foenea Willd.
• Carex foetida All.
• Carex fokienensis Dunn
• Carex foliosissima F.Schmidt
• Carex folliculata L.
• Carex foraminata C.B.Clarke
• Carex foraminatiformis Y.C.Tang & S.Yun Liang
• Carex forficula Franch. & Sav.
• Carex formosa Dewey
• Carex forrestii Kük.
• Carex forsteri Wahlenb.
• Carex fossa G.A.Wheeler
• Carex fracta Mack.
• Carex fragilis Boott
• Carex × fragosoana Pau
• Carex frankii Kunth
• Carex fretalis Hamlin
• Carex × fridtzii Holmb.
• Carex × friesii Blytt
• Carex frigida All.
• Carex fritschii Waisb.
• Carex fructus Reznicek
• Carex fucata Boott ex C.B.Clarke
• Carex fuliginosa Schkuhr
• Carex fulta Franch.
• Carex × fulva Gooden.
• Carex fulvorubescens Hayata
• Carex funhuangshanica F.T.Wang & Tang ex P.C.Li
• Carex funingensis Tang & F.T.Wang ex S.Y.Liang
• Carex furcata Boott ex C.B. Clarke
• Carex furva Webb
• Carex fusanensis Ohwi
• Carex fuscolutea Boeckeler
• Carex fuscula d'Urv.
• Carex fusiformis Nees
• Carex × fussii Simonk.

• Carex gandakiensis Katsuy.
• Carex gaoligongshanensis P.C. Li
• Carex garberi Fernald
• Carex gaudichaudiana Kunth
• Carex × gaudiniana Guthnick
• Carex gayana Desv.
• Carex gemella Hochst. ex Steud.
• Carex geminata Schkuhr
• Carex genkaiensis Ohwi
• Carex gentilis Franch.
• Carex geophila Mack.
• Carex × gerhardtii Figert
• Carex geyeri Boott
• Carex gholsonii Naczi & Cochrane
• Carex gibba Wahlenb.
• Carex gibbsiae Rendle
• Carex gibertii G.A.Wheeler
• Carex gifuensis Franch.
• Carex gigantea Rudge
• Carex × ginsiensis Waisb.
• Carex giraldiana Kük.
• Carex giraudiasii H.Lév.
• Carex glabrescens (Kük.) Ohwi
• Carex glacialis Mack.
• Carex glareosa Schkuhr ex Wahlenb.
• Carex glaucescens Elliott
• Carex glauciformis Meinsh.
• Carex glaucodea Tuck. ex Olney
• Carex globistylosa P.C.Li
• Carex globosa Boott
• Carex globularis L.
• Carex globulosa Phulphong & D.A.Simpson
• Carex glomerabilis V.I.Krecz.
• Carex glossostigma Hand.-Mazz.
• Carex gmelinii Hook. & Arn.
• Carex godfreyi Naczi
• Carex goligongshanensis P.C.Li
• Carex gonggaensis P.C.Li
• Carex gongshanensis Tang & F.T.Wang ex Y.C.Yang
• Carex gonochorica Cherm.
• Carex goodenoughii Gay
• Carex gotoi Ohwi
• Carex goyenii Petrie
• Carex gracilenta Boott ex Boeckeler
• Carex gracilescens Steud.
• Carex graciliflora Dunn
• Carex gracilior Mack.
• Carex gracilispica Hayata
• Carex gracillima Schwein.
• Carex graeffeana Boeckeler
• Carex grallatoria Maxim.
• Carex graminiculmis T.Koyama
• Carex graminifolia Cherm.
• Carex grandiligulata Kük.
• Carex granifera Dunn
• Carex × grantii A.Benn.
• Carex granularis Muhl. ex Willd.
• Carex gravida L.H.Bailey
• Carex grayi J.Carey
• Carex griersonii Noltie
• Carex grioletii Roem. ex Schkuhr
• Carex grisea Wahlenb.
• Carex × grossii Fiek
• Carex guatemalensis F.J.Herm.
• Carex guffroyi H.Lév. & Perrier
• Carex gunniana Boott
• Carex gynaecandra H.Pfeiff.
• Carex gynandra Schwein.
• Carex gynocrates Wormsk.
• Carex gynodynama Olney

• Carex hachijoensis Akiyama
• Carex × haematolepis Drejer
• Carex haematorrhyncha Ohwi & T.Koyama
• Carex haematosaccus C.B.Clarke
• Carex haematostoma Nees
• Carex × hageri E.Baumann
• Carex hakkodensis Franch.
• Carex hakonemontana Katsuy.
• Carex hakonensis Franch. & Sav.
• Carex halleriana Asso
• Carex halliana L.H.Bailey
• Carex hallii Olney
• Carex hanamninhensis K.K.Nguyen
• Carex hancockiana Maxim.
• Carex hanensis Dunn
• Carex hangtongensis H.Lév. & Vaniot
• Carex hangzhouensis C.Z.Zheng, X.F.Jin & B.Y.Ding
• Carex × hanseniana Junge
• Carex harfordii Mack.
• Carex harlandii Boott
• Carex harrysmithii Kük.
• Carex × hartii Dewey
• Carex hartmanii Cajander
• Carex hashimotoi Ohwi
• Carex hassei L.H.Bailey
• Carex hassiana Loes.
• Carex hastata Kük.
• Carex hatuyenensis K.K.Nguyen
• Carex haydeniana Olney
• Carex haydenii Dewey
• Carex hebecarpa C.A.Mey.
• Carex hebes Nelmes
• Carex hebetata Boott
• Carex hectori Petrie
• Carex heleonastes Ehrh. ex L.f.
• Carex helferi Boeckeler
• Carex helingeeriensis L.Q. Zhao & J. Yang^[5]
• Carex helleri Mack.
• Carex helodes Link
• Carex × helvola Blytt
• Carex hemineuros T.Koyama
• Carex hendersonii L.H.Bailey
• Carex hermannii Cochrane
• Carex herteri G.A.Wheeler
• Carex heshuonensis S.Yun Liang
• Carex heterodoxa Cherm.
• Carex heterolepis Bunge
• Carex heteroneura S.Watson
• Carex × heterophyta Holmb.
• Carex heterostachya Bunge
• Carex heudesii H.Lév. & Vaniot
• Carex hexinensis S.Yun Liang & Y.Z.Huang
• Carex hezhouensis H.Wang & S.N.Wang
• Carex × hibernica A.Benn.
• Carex hieronymi Boeckeler
• Carex hilairei Boott
• Carex hilaireioides C.B.Clarke ex Kük.
• Carex hildebrandtiana Boeckeler
• Carex himalaica T.Koyama
• Carex hinnulea C.B.Clarke
• Carex hirsutella Mack.
• Carex hirta L.
• Carex hirtelloides (Kük.) F.T.Wang & Tang ex P.C.Li
• Carex hirticaulis P.C.Li
• Carex hirtifolia Mack.
• Carex hirtigluma C.B.Clarke
• Carex hirtissima W.Boott
• Carex hirtiutriculata L.K.Dai
• Carex hispida Willd. ex Schkuhr
• Carex hitchcockiana Dewey
• Carex hoatiensis H.Lév.
• Carex hochstetteriana J.Gay ex Seub.
• Carex holostoma Drejer
• Carex holotricha Ohwi
• Carex hondoensis Ohwi
• Carex hongnoensis H.Lév.
• Carex hongyuanensis Y.C.Tang & S.Yun Liang
• Carex hoodii Boott
• Carex hookeri Kunth
• Carex hookeriana Dewey
• Carex hoozanensis Hayata
• Carex hopeiensis F.T.Wang & Tang
• Carex hordeistichos Vill.
• Carex hormathodes Fernald
• Carex horsfieldii Boott
• Carex hostiana DC.
• Carex hotaizanensis Akiyama
• Carex houghtoniana Torr. ex Dewey
• Carex hovarum Cherm.
• Carex huashanica Tang & F.T.Wang ex L.K.Dai
• Carex hubbardii Nelmes
• Carex huehueteca Standl. & Steyerm.
• Carex hultenii Aspl.
• Carex humahuacaensis G.A.Wheeler
• Carex humbertiana Ohwi
• Carex humbertii Cherm.
• Carex humboldtiana Steud.
• Carex humida Y.L.Chang & Y.L.Yang
• Carex humilis Leyss.
• Carex humpatensis H.E.Hess
• Carex huolushanensis P.C.Li
• Carex husnotiana H.Lév.
• Carex hwangii Matsuda
• Carex hyalina Boott
• Carex hyalinolepis Steud.
• Carex hymenodon Ohwi
• Carex hymenolepis Nees
• Carex hypandra F.Muell.
• Carex hypaneura V.I.Krecz.
• Carex hypoblephara Ohwi & Ryu
• Carex hypoleucos E. Desv.
• Carex hypolytroides Ridl.
• Carex hypsipedos C.B.Clarke
• Carex hypsobates Nelmes
• Carex hystericina Muhl. ex Willd.

• Carex ichangensis C.B.Clarke
• Carex idahoa L.H.Bailey
• Carex idzuroei Franch. & Sav.
• Carex iljinii V.I.Krecz.
• Carex illegitima Ces.
• Carex illota L.H.Bailey
• Carex × ilseana Ruhmer
• Carex imandrensis Kihlm. ex Hjelt
• Carex impexa K.A.Ford
• Carex impressinervia Bryson, Kral & Manhart
• Carex impura Ohwi
• Carex inamii Ohwi
• Carex inanis Kunth
• Carex incisa Boott
• Carex inclinis Boott ex C.B.Clarke
• Carex incomitata K.R.Thiele
• Carex incurviformis Mack.
• Carex indica L.
• Carex indiciformis F.T.Wang & Tang ex P.C.Li
• Carex indistincta H.Lév. & Vaniot
• Carex indosinica Raymond
• Carex infirminervia Naczi
• Carex infossa Z.P.Wang
• Carex infuscata Nees
• Carex inopinata V.J.Cook
• Carex inops L.H.Bailey
• Carex insaniae Koidz.
• Carex insignis Boott
• Carex insularis Carmich.
• Carex integra Mack.
• Carex interior L.H.Bailey
• Carex × interjecta Waisb.
• Carex interrupta Boeckeler
• Carex intumescens Rudge
• Carex inversa R.Br.
• Carex inversonervosa Nelmes
• Carex × involuta (Bab.) Syme
• Carex iraqensis S.S.Hooper & Kukkonen
• Carex ischnogyne Gilli
• Carex ischnostachya Steud.
• Carex ivanoviae T.V.Egorova
• Carex ixtapalucensis Reznicek
• Carex iynx Nelmes

• Carex jacens C.B.Clarke
• Carex jackiana Boott
  • Carex jackiana var. macroglossa (Franch. &

Sav.) Kük.

• Carex jacutica V.I.Krecz.
• Carex × jaegeri F.W.Schultz
• Carex jaluensis Kom.
• Carex jamesii Schwein.
• Carex jamesonii Boott
• Carex jankowskii Gorodkov
• Carex japonica Thunb.
• Carex jeanpertii E.G.Camus
• Carex jiaodongensis Y.M.Zhang & X.D.Chen
• Carex jinfoshanensis Tang & F.T.Wang ex S.Y.Liang
• Carex jisaburo-ohwiana T.Koyama
• Carex jizhuangensis S.Yun Liang
• Carex johnstonii Boeckeler
• Carex jonesii L.H.Bailey
• Carex joorii L.H.Bailey
• Carex × josephi-schmittii Raymond
• Carex jubozanensis J.Oda & A.Tanaka
• Carex juncella Th. Fries
• Carex juniperorum Catling, Reznicek & Crins
• Carex × justi-schmidtii Junge
• Carex juvenilis C.B.Clarke ex E.G.Camus

• Carex kabanovii V.I.Krecz.
• Carex kagoshimensis Tak.Shimizu
• Carex kaloides Petrie
• Carex kansuensis Nelmes
• Carex kaoi Tang & F.T.Wang ex S.Y.Liang
• Carex karisimbiensis Cherm.
• Carex karlongensis Kük.
• Carex karoi (Freyn) Freyn
• Carex kashmirensis C.B.Clarke
• Carex × kattaeana Kük.
• Carex kauaiensis R.W.Krauss
• Carex × kenaica Lepage
• Carex kermadecensis Petrie
• Carex × ketonensis Akiyama
• Carex khoii T.V.Egorova & Aver.
• Carex kiangsuensis Kük.
• Carex killickii Nelmes
• Carex kimurae Ohwi & T.Koyama
• Carex kingii (R.Br. ex Boott) Reznicek
• Carex kiotensis Franch. & Sav.
• Carex kirganica Kom.
• Carex kirinensis W.Wang & Y.L.Chang
• Carex kirkii Petrie
• Carex kitaibeliana Degen ex Bech.
• Carex klamathensis B.L.Wilson & Janeway
• Carex klaphakei K.L.Wilson
• Carex × knieskernii Dewey
• Carex knorringiae Kük. ex Krecz.
• Carex kobomugi Ohwi
• Carex × kohtsii K.Richt.
• Carex korkischkoae A.E.Kozhevn.
• Carex korshinskyi Kom.
• Carex koshewnikowii Litv.
• Carex koyaensis J.Oda & Nagam.
• Carex × krajinae Domin
• Carex kraliana Naczi & Bryson
• Carex krascheninnikovii Kom. ex V.I.Krecz.
• Carex krascheninnikowii Kom. ex V. Krecz.
• Carex krausei Boeckeler
• Carex kreczetoviczii T.V.Egorova
• Carex kuchunensis Tang & F.T.Wang ex S.Y.Liang
• Carex kucyniakii Raymond
• Carex × kuekenthaliana Appel & A.Brückn.
• Carex × kuekenthalii Dörfl. ex Zahn
• Carex kujuzana Ohwi
• Carex kulingana L.H.Bailey
• Carex kumaonensis Kük.
• Carex kurdica Kük. ex Hand.-Mazz.
• Carex × kurilensis Ohwi
• Carex kurtziana Kük.
• Carex kwangsiensis F.T.Wang & Tang ex P.C.Li
• Carex kwangtoushanica K.T.Fu
• Carex × kyyhkynenii Hiitonen

• Carex lachenalii Schkuhr
• Carex lacistoma R.Br.
• Carex × lackowitziana Aug.R.Paul
• Carex lacustris Willd.
• Carex laeta Boott
• Carex laeviconica Dewey
• Carex laeviculmis Meinsh.
• Carex laevigata Sm.
• Carex laevissima Nakai
• Carex laevivaginata (Kük.) Mack.
• Carex lageniformis Nelmes
• Carex × laggeri Wimm.
• Carex lagunensis M.E.Jones
• Carex lainzii Luceño, E.Rico & T.Romero
• Carex lambertiana Boott
• Carex lamprocarpa Phil.
• Carex lamprochlamys S.T.Blake
• Carex lancangensis S.Yun Liang
• Carex lanceolata Boott
• Carex lancifolia C.B.Clarke
• Carex lancisquamata L.K.Dai
• Carex × langeana Fernald
• Carex × langii Steud.
• Carex lankana T.Koyama
• Carex laosensis Nelmes
• Carex lapazensis C.B.Clarke
• Carex lapponica O.Lang
• Carex larensis Steyerm.
• Carex laricetorum Y.L.Chou
• Carex lasiocarpa Ehrh.
• Carex lasiolepis Franch.
• Carex latebracteata Waterf.
• Carex lateralis Kük.
• Carex lateriflora Phil.
• Carex laticeps C.B.Clarke ex Franch.
• Carex latisquamea Kom.
• Carex lativena S.D.Jones & G.D.Jones
• Carex × lausii Podp.
• Carex laxa Wahlenb.
• Carex laxiculmis Schwein.
• Carex laxiflora Lam.
• Carex leavenworthii Dewey
• Carex lebrunii H.Lév.
• Carex ledebouriana C.A.Mey. ex Trevir.
• Carex leersii F.W.Schultz
• Carex lehmannii Drejer
• Carex leiorhyncha C.A.Mey.
• Carex lemanniana Boott
• Carex lemmonii W.Boott
• Carex lenta D.Don
• Carex lenticularis Michx.
• Carex lepida Boott
• Carex leporina L.
• Carex leporinella Mack.
• Carex leptalea Wahlenb.
• Carex × leptoblasta Holmb.
• Carex leptocladus C.B.Clarke
• Carex leptonervia (Fernald) Fernald
• Carex leptopoda Mack.
• Carex leribensis Nelmes
• Carex lessoniana Steud.
• Carex leucantha Arn. ex Boott
• Carex lianchengensis S.Yun Liang & Y.Z.Huang
• Carex libera (Kük.) Hamlin
• Carex × lidii Hadac
• Carex ligata Boott
• Carex × ligniciensis Figert
• Carex ligulata Nees
• Carex × limicola H.Gross
• Carex × limnogena Appel
• Carex limosa L.
• Carex × limosoides J.Cay.
• Carex limprichtiana Kük.
• Carex × limula Fr.
• Carex lindleyana Nees
• Carex lingii F.T.Wang & Tang
• Carex liouana F.T.Wang & Tang
• Carex liparocarpos Gaudin
• Carex liqingii Tang & F.T.Wang ex S.Y.Liang
• Carex lithophila Turcz.
• Carex litorhyncha Franch.
• Carex litorosa L.H.Bailey
• Carex litvinovii Kük.
• Carex liuii T.Koyama & T.I.Chuang
• Carex livida (Wahlenb.) Willd.
• Carex lobolepis F.Muell.
• Carex lobulirostris Drejer
• Carex loheri C.B.Clarke
• Carex loliacea L.
• Carex lonchocarpa Willd. ex Spreng.
• Carex longhiensis Franch.
• Carex longibrachiata Boeckeler
• Carex longicaulis Boeckeler
• Carex longicruris Nees
• Carex longiculmis Petrie
• Carex longicuspis Boeckeler
• Carex longii Mack.
• Carex longiligula Reznicek & S.González
• Carex longipes D.Don ex Tilloch & Taylor
• Carex longirostrata C.A.Mey.
  • Carex longirostrata var. pallida (Kitag.) Ohwi
• Carex longispiculata Y.C.Yang
• Carex longissima M.E.Jones
• Carex longpanlaensis S.Yun Liang
• Carex longshengensis Y.C.Tang & S.Yun Liang
• Carex longxishanensis S.Yun Liang
• Carex lophocarpa C.B.Clarke
• Carex × loretii Rouy
• Carex louisianica L.H.Bailey
• Carex lowei Bech.
• Carex lucorum Willd.
• Carex luctuosa Franch.
• Carex × ludibunda J.Gay
• Carex lupuliformis Sartwell ex Dewey
• Carex lupulina Muhl. ex Willd.
• Carex lurida Wahlenb.
• Carex luridiformis Mack. ex Reznicek & S.González
• Carex lushanensis Kük.
• Carex lutea Leblond
• Carex × luteola (Rchb.) Sendtn.
• Carex luzulifolia W.Boott
• Carex luzulina Olney
• Carex lyi H.Lév. & Vaniot
• Carex lyngbyei Hornem.

• Carex maackii Maxim.
• Carex × macilenta F.Nyl.
• Carex mackenziana Weath.
• Carex mackenziei V.I.Krecz.
• Carex macloviana d'Urv.
• Carex × macounii Dewey
• Carex macrandrolepis H.Lév. & Vaniot
• Carex macrocephala Willd. ex Spreng.
• Carex macrochaeta C.A.Mey.
• Carex macrogyna Turcz. ex Steudel
• Carex macrolepis DC.
• Carex macrophyllidion Nelmes
• Carex macrorrhiza Boeckeler
• Carex macrosandra (Franch.) V.I.Krecz.
• Carex macrosolen Steud.
• Carex macrostigmatica Kük.
• Carex macrostyla Lapeyr.
• Carex macroura Meinsh.
• Carex maculata Boott
• Carex madagascariensis Boeckeler
• Carex madrensis L.H.Bailey
• Carex magacis A.M.Molina, Acedo & Llamas
• Carex magellanica Lam.
• Carex magnoutriculata Tang & F.T.Wang ex L.K.Dai
• Carex mairei Coss. & Germ.
• Carex makinoensis Franch.
• Carex makuensis P.C.Li
• Carex malaccensis C.B.Clarke
• Carex malmei Kalela
• Carex malyschevii T.V.Egorova
• Carex manca Boott
• Carex manciformis C.B.Clarke ex Franch.
• Carex mandoniana Boeckeler
• Carex mandshurica Meinsh.
• Carex manginii E.G.Camus
• Carex manhartii Bryson
• Carex mannii E.A.Bruce
• Carex manongarivensis Cherm.
• Carex maorica Hamlin
• Carex maorshanica Y.L.Chou
• Carex maquensis Y.C.Yang
• Carex marahuacana Reznicek
• Carex marianensis Stacey
• Carex marina Dewey
• Carex mariposana L.H.Bailey ex Mack.
• Carex maritima Gunnerus
• Carex markgrafii Kük.
• Carex martinii H.Lév. & Vaniot
• Carex martynenkoi Zolot.
• Carex × massonii Cay. & Lepage
• Carex matsumurae Franch.
• Carex maximowiczii Miq.
• Carex mayebarana Ohwi
• Carex mckittrickensis P.W.Ball
• Carex mcvaughii Reznicek
• Carex meadii Dewey
• Carex media R.Br.
• Carex mediterranea C.B.Clarke ex Post
• Carex medwedewii Leskov
• Carex meeboldiana Kük.
• Carex meihsienica K.T.Fu
• Carex meiocarpa H.Lév. & Vaniot
• Carex melanantha C.A.Mey.
• Carex melananthiformis Litv.
• Carex melanocarpa Cham. ex Trautv.
• Carex melanocephala Turcz. ex Kunth
• Carex melanorrhyncha Nelmes
• Carex melanostachya M.Bieb. ex Willd.
• Carex melinacra Franch.
• Carex membranacea Hook.
• Carex × mendica Lepage
• Carex mendocinensis Olney ex Boott
• Carex merritt-fernaldii Mack.
• Carex mertensii Prescott ex Bong.
• Carex merxmuelleri Podlech
• Carex mesochorea Mack.
• Carex metallica H.Lév.
• Carex meyenii Nees
• Carex meyeriana Kunth
• Carex michauxiana Boeckeler
• Carex michelii Host
• Carex michoacana Reznicek, Hipp & S.González
• Carex micrantha Kük.
• Carex microcarpa Bertol. ex Moris
• Carex microchaeta Holm
• Carex microdonta Torr.
• Carex microglochin Wahlenb.
• Carex micropoda C.A.Mey.
• Carex microptera Mack.
• Carex microrhyncha Mack.
• Carex × microstachya Ehrh.
• Carex × microstyla J.Gay ex Gaudin
• Carex middendorffii F.Schmidt
• Carex mildbraediana Kük.
• Carex millsii Dunn
• Carex mingrelica Kük.
• Carex minuticulmis S.W.Su & S.M.Xu
• Carex minutiscabra Kük. ex Krecz.
• Carex minutissima Barros
• Carex minxianensis S.Yun Liang
• Carex minxianica Y.C.Yang
• Carex mira Kük.
• Carex × mirata Dewey^[6]
• Carex misera Buckley
• Carex missouriensis P.Rothr. & Reznicek
• Carex mitchelliana M.A.Curtis
• Carex × mithala Callier
• Carex mitrata Franch.
  • Carex mitrata var. aristata Ohwi
• Carex miyabei Franch.
• Carex mochomuensis Katsuy.
• Carex modesti M.Escudero, Martín-Bravo & Jim.Mejías^[7]
• Carex mokkwaensis Akiyama
• Carex molesta Mack.
• Carex molestiformis Reznicek & Rothrock
• Carex molinae Phil.
• Carex mollicula Boott
• Carex mollissima Christ ex Scheutz
• Carex monodynama (Griseb.) G.A.Wheeler
• Carex monostachya A.Rich.
• Carex monotropa Nelmes
• Carex montana L.
• Carex montanoaltaica Zolot.
• Carex montis-eeka Hillebr.
• Carex montis-everesti Kük.
• Carex montis-wutaii T.Koyama
• Carex moorei G.A.Wheeler
• Carex morii Hayata
• Carex × moriyoshiensis Fujiw. & Y.Matsuda
• Carex morrowii Boott
• Carex mossii Nelmes
• Carex motuoensis Y.C.Yang
• Carex moupinensis Franch.
• Carex mucronata All.
• Carex mucronatiformis Tang & F.T.Wang ex S.Yun Liang
• Carex × mucronulata Holmb.
• Carex muehlenbergii Willd.
• Carex muelleri Petrie
• Carex × muelleriana F.W.Schultz
• Carex muliensis Hand.-Mazz.
• Carex multicaulis L.H.Bailey
• Carex multicostata Mack.
• Carex munda Boott
• Carex munipoorensis C.B.Clarke
• Carex munroi Boott ex C.B.Clarke
• Carex muricata L.
• Carex muriculata F.J.Herm.
• Carex × musashiensis Ohwi
• Carex musei Steud.
• Carex muskingumensis Schwein.
• Carex myosuroides Vill.
• Carex myosurus Nees

• Carex nachiana Ohwi
• Carex nairii Ghildyal & U.C.Bhattach.
• Carex nakasimae Ohwi
• Carex nanchuanensis K.L.Chu ex S.Y.Liang
• Carex nandadeviensis Ghildyal, U.C.Bhattach. & Hajra
• Carex nangtciangensis Pamp.
• Carex nardina (Hornem.) Fr.
• Carex neblinensis Reznicek
• Carex nebrascensis Dewey
• Carex nebraskensis Dewey
• Carex nebularum Phil.
• Carex neesiana Endl.
• Carex negrii Chiov.
• Carex nelmesiana Barros
• Carex nelmesii H.E.Hess
• Carex nelsonii Mack.
• Carex nemostachys Steud.
• Carex nemurensis Franch.
• Carex × neobigelowii Lepage
• Carex neochevalieri Kük. ex A.Chev.
• Carex neodigyna P.C.Li
• Carex × neofilipendula Lepage
• Carex neofilipes Nakai
• Carex neoguinensis C.B.Clarke
• Carex neohebridensis Guillaumin & Kük.
• Carex neokukenthaliana H.Lév. & Vaniot
• Carex × neomiliaris Lepage
• Carex neopetelotii Raymond
• Carex neopolycephala Tang & F.T.Wang ex L.K.Dai
• Carex × neorigida Lepage
• Carex nervata Franch. & Sav.
• Carex nervina L.H.Bailey
• Carex neurocarpa Maxim.
• Carex neurophora Mack.
• Carex nevadensis Boiss. & Reut.
• Carex × nicoloffii Pamp.
• Carex niederleiniana Boeckeler
• Carex nigerrima Nelmes
• Carex nigra (L.) Reichard
• Carex nigricans C.A.Mey.
• Carex nigromarginata Schwein.
• Carex nikolskensis Kom.
• Carex nitidiutriculata L.K.Dai
• Carex nivalis Boott
• Carex nodaeana A.I.Baranov & Skvortsov
• Carex nodiflora Boeckeler
• Carex nordica A.M.Molina, Acedo & Llamas
• Carex normalis Mack.
• Carex norvegica Retz.
• Carex notha Kunth
• Carex nova L.H.Bailey
• Carex novae-angliae Schwein.
• Carex novogaliciana Reznicek
• Carex × nubens Lepage
• Carex nubigena D.Don ex Tilloch & Taylor
• Carex nudata W.Boott
• Carex nugata Ohwi

• Carex × oberrodensis B.Walln.
• Carex obispoensis Stacey
• Carex oblanceolata T.Koyama
• Carex obliquicarpa X.F.Jin, C.Z.Zheng & B.Y.Ding
• Carex obliquitruncata Y.C.Tang & S.Yun Liang
• Carex obnupta L.H.Bailey
• Carex obovatosquamata F.T.Wang & Y.L.Chang ex P.C.Li
• Carex obscura Nees
• Carex obscuriceps Kük.
• Carex obtusata Lilj.
• Carex occidentalis L.H.Bailey
• Carex ochrochlamys Ohwi
• Carex ochrosaccus (C.B.Clarke) Hamlin
• Carex oedipostyla Duval-Jouve
• Carex oedorrhampha Nelmes
• Carex × oenensis A.Neumann ex B.Walln.
• Carex × ohmuelleriana O.Lang
• Carex okamotoi Ohwi
• Carex oklahomensis Mack.
• Carex olbiensis Jord.
• Carex oligantha Steud.
• Carex oligocarpa Willd.
• Carex oligocarya C.B.Clarke
• Carex oligosperma Michx.
• Carex oligostachya Nees
• Carex olivacea Boott
• Carex olivieri H.Lév.
• Carex × olneyi Boott
• Carex omeiensis Tang
• Carex omeyica Molina Gonz., Acedo & Llamas
• Carex omiana Franch. & Sav.
• Carex omurae T.Koyama
• Carex × oneillii Lepage
• Carex onoei Franch. & Sav.
• Carex opaca (F.J.Herm.) P.Rothr. & Reznicek
• Carex ophiolithica Heenan & de Lange
• Carex ophiopogon H.Lév.
• Carex orbicularinucis L.K.Dai
• Carex orbicularis Boott
• Carex oreocharis Holm
• Carex oreophila C.A.Mey.
• Carex orizabae Liebm.
• Carex ormostachya Wiegand
• Carex ornithopoda Willd.
• Carex oronensis Fernald
• Carex orthostemon Hayata
• Carex oshimensis Nakai
• Carex otaruensis Franch.
• Carex × otayai Ohwi
• Carex otomana A.M.Molina, Acedo & Llamas
• Carex ouachitana Kral, Manhart & Bryson
• Carex ovatispiculata F.T.Wang & Y.L.Chang ex S.Yun Liang
• Carex ovoidoconica Ohwi
• Carex ownbeyi G.A.Wheeler
• Carex oxyandra (Franch. & Sav.) Kudô
• Carex oxylepis Torr. & Hook.
• Carex ozarkana P.Rothr. & Reznicek

• Carex pachygyna Franch. & Sav.
• Carex pachyneura Kitag.
• Carex pachystylis J.Gay
• Carex × paczoskii Zapal.
• Carex paeninsulae Naczi, E.L.Bridges & Orzell
• Carex pairae F.W.Schultz
• Carex paishanensis Nakai
• Carex palawanensis Kük.
• Carex paleacea Schreb. ex Wahlenb.
• Carex pallescens L.
• Carex pallidula Harmaja
• Carex × paludivagans W.H.Drury
• Carex pamirica (O.Fedtsch.) O.Fedtsch. & B.Fedtsch.
• Carex pandanophylla C.B.Clarke
• Carex panicea L.
• Carex paniculata L.
• Carex panormitana Guss.
• Carex pansa L.H.Bailey
• Carex papillosissima Nelmes
• Carex × paponii Muret ex T.Durand & Pittier
• Carex papulosa Boott
• Carex paracuraica F.T.Wang & Y.L.Chang ex S.Yun Liang
• Carex parallela (Laest.) Sommerf.
• Carex parryana Dewey
• Carex parva Nees
• Carex parviflora Host
• Carex parvigluma C.B.Clarke
• Carex patagonica Speg.
• Carex × patuensis Lepage
• Carex pauciflora Lightf.
• Carex paucimascula H.Lév. & Vaniot
• Carex × paulii Asch. & Graebn.
• Carex paulo-vargasii Luceño & Marín
• Carex paupera Nelmes
• Carex paxii Kük.
• Carex paysonis Clokey
• Carex peckii Howe
• Carex pediformis C.A.Mey.
• Carex pedunculata Muhl. ex Willd.
• Carex peiktusanii Kom.
• Carex peliosanthifolia F.T.Wang & Tang ex P.C.Li
• Carex pellita Muhl. ex Willd.
• Carex pelocarpa F.J.Herm.
• Carex pendula Huds.
• Carex penduliformis Cherm.
• Carex pensylvanica Lam.
• Carex perakensis C.B.Clarke
• Carex percostata F.J.Herm.
• Carex perdentata S.D.Jones
• Carex peregrina Link
• Carex perglobosa Mack.
• Carex pergracilis Nelmes
• Carex perlonga Fernald
• Carex perprava C.B.Clarke
• Carex perraudieriana (Kük. ex Bornm.) Gay ex Kük.
• Carex × persalina Lepage
• Carex pertenuis L.H.Bailey
• Carex peruviana J.Presl & C.Presl
• Carex peruvida G.A.Wheeler
• Carex petasata Dewey
• Carex petelotii Gross
• Carex petitiana A.Rich.
• Carex petricosa Dewey
• Carex petriei Cheeseman
• Carex peucophila Holm
• Carex phacota Spreng.
• Carex phaeocephala Piper
• Carex phaeodon T.Koyama
• Carex phaeothrix Ohwi
• Carex phalaroides Kunth
• Carex phankei K.K.Nguyen
• Carex phoenicis Dunn
• Carex phragmitoides Kük.
• Carex phyllocaula Nelmes
• Carex phyllocephala T.Koyama
• Carex phyllostachys C.A.Mey.
• Carex × physocarpoides Lepage
• Carex physodes M.Bieb.
• Carex pichinchensis Kunth
• Carex picta Steud.
• Carex pigra Naczi
• Carex pilosa Scop.
• Carex × pilosiuscula Gobi
• Carex pilulifera L.
• Carex pinophila Reznicek & S.González
• Carex pisanensis T.Koyama
• Carex pisanoi G.A.Wheeler
• Carex pisiformis Boott^[3] Sakhalin mitra sedge,^[3]
  • Carex pisiformis var. sikokiana (Franch. & Sav.) T.Koyama^[3]
• Carex pityophila Mack.
• Carex planata Franch. & Sav.
• Carex planiculmis Kom.^[3]
• Carex planiscapa Chun & F.C.How
• Carex planispicata Naczi
• Carex planostachys Kunze
• Carex plantaginea Lam.
• Carex platyphylla J.Carey
• Carex platysperma Y.L.Chang & Y.L.Yang
• Carex plectobasis V.I.Krecz.
• Carex pleiandra Ohwi
• Carex pleioneura G.A.Wheeler
• Carex pleiostachys C.B.Clarke
• Carex pleurocaula Nelmes
• Carex × ploettneriana Beyer
• Carex pluriflora Hultén
• Carex poculisquama Kük.^[3]
• Carex podocarpa R.Br.
• Carex podogyna Franch. & Sav.
• Carex poeppigii C.B.Clarke ex G.A.Wheeler
• Carex poilanei Raymond
• Carex polyantha F.Muell.
• Carex polycephala Boott
• Carex polymascula P.C.Li
• Carex polymorpha Muhl.
• Carex polyschoenoides K.T.Fu
• Carex polystachya Sw. ex Wahlenb.
• Carex polysticha Boeckeler
• Carex pomiensis Y.C.Yang
• Carex pontica Albov
• Carex popovii V.I.Krecz.
• Carex porrecta Reznicek & Camelb.
• Carex potosina Hemsl.
• Carex praeceptorium Mack.
• Carex praeclara Nelmes
• Carex praecox Schreb.
• Carex praegracilis W.Boott
• Carex × prahliana Junge
• Carex prairea Dewey ex Alph.Wood
• Carex prasina Wahlenb.
• Carex praticola Rydb.
• Carex preissii Nees
• Carex prescottiana Boott
• Carex preslii Steud.
• Carex pringlei L.H.Bailey
• Carex projecta Mack.
• Carex × prolixa Fr.
• Carex prolongata Kük.
• Carex proposita Mack.
• Carex provotii Franch.
• Carex proxima Cherm.
• Carex pruinosa Boott
• Carex przewalskii T.V.Egorova
• Carex pseudoaperta Boeckeler ex Kük.
• Carex × pseudoaxillaris K.Richt.
• Carex pseudobicolor Boeckeler
• Carex pseudobrizoides Clavaud
• Carex pseudochinensis H.Lév. & Vaniot^[3]
• Carex pseudocuraica F.Schmidt^[3]
• Carex pseudocyperus L.
• Carex pseudodahurica A.P.Khokhr.
• Carex pseudodispalata K.T.Fu
• Carex pseudofoetida Kük. ex Ostenf.
• Carex × pseudohelvola Kihlm.
• Carex pseudohumilis F.T.Wang & Y.L.Chang ex P.C.Li
• Carex pseudohypochlora Y.L.Chang & Y.L.Yang
• Carex pseudolaticeps Tang & F.T.Wang ex S.Y.Liang
• Carex pseudoligulata L.K.Dai
• Carex pseudololiacea F.Schmidt
• Carex pseudomacloviana G.A.Wheeler
• Carex × pseudomairei E.G.Camus
• Carex pseudophyllocephala L.K.Dai
• Carex pseudosadoensis Akiyama
• Carex pseudospachiana H.Lév. & Vaniot
• Carex pseudosphaerogyna Nelmes
• Carex pseudosupina Y.C.Tang ex L.K.Dai
• Carex pseudotristachya X.F.Jin & C.Z.Zheng
• Carex × pseudovulpina K.Richt.
• Carex psilocarpa Steud.
• Carex psychrophila Nees
• Carex pterocarpa Petrie
• Carex pterocaulos Nelmes
• Carex pubigluma Reznicek
• Carex pudica Honda
• Carex pulchra Boott
• Carex pulchrifolia A.E.Kozhevn.
• Carex pulicaris L.
• Carex pumila Thunb.^[3]
• Carex punctata Gaudin
• Carex purdiei Boott
• Carex purplevaginalis Q.S.Wang
• Carex purpureosquamata L.K.Dai
• Carex purpureotincta Ohwi
• Carex purpureovagina F.T.Wang & Y.L.Chang ex S.Yun Liang
• Carex purpureovaginata Boeckeler
• Carex purpurifera Mack.
• Carex × putjatini Kom.
• Carex putuoensis S.Yun Liang
• Carex pycnostachys Kar. & Kir.
• Carex pygmaea Boeckeler
• Carex pyramidalis Kük.
• Carex pyrenaica Wahlenb.

• Carex qingdaoensis F.Z.Li & S.J.Fan
• Carex qinghaiensis Y.C.Yang
• Carex qingliangensis D.M.Weng, H.W.Zhang & S.F.Xu
• Carex qingyangensis S.W.Su & S.M.Xu
• Carex qiyunensis S.W.Su & S.M.Xu
• Carex quadriflora (Kük.) Ohwi^[3]
• Carex × quebecensis Lepage
• Carex queretarensis Reznicek & S.González
• Carex quichensis F.J.Herm.
• Carex × quirponensis Fernald

• Carex × raciborskii Zapal.
• Carex raddei Kük. ^[3]
• Carex radfordii Gaddy
• Carex radiata (Wahlenb.) Small
• Carex radicalis Boott
• Carex radiciflora Dunn
• Carex radicina Z.P.Wang
• Carex rainbowii Luceño, Jim.Mejías, M. Escudero & Martín-Bravo^[8]
• Carex raleighii Nelmes
• Carex ramenskii Kom.
• Carex ramentaceofructus K.T.Fu
• Carex ramosa Willd.
• Carex ramosii Kük.
• Carex randalpina B.Walln.
• Carex raoulii Boott
• Carex raphidocarpa Nees
• Carex rara Boott^[3]
• Carex rariflora (Wahlenb.) Sm.
• Carex ratongensis (C.B.Clarke) C.B.Clarke
• Carex raynoldsii Dewey
• Carex recta Boott
• Carex × reducta Drejer
• Carex regeliana (Kük.) Litv.
• Carex reichei Kük.
• Carex reinii Franch. & Sav.
• Carex relaxa V.I.Krecz.
• Carex remota L.
• Carex remotiuscula Wahlenb.^[3]
• Carex renauldii H.Lév.
• Carex reniformis (L.H.Bailey) Small
• Carex renschiana Boeckeler
• Carex repanda C.B.Clarke
• Carex repens Bellardi
• Carex reptabunda (Trautv.) V.I.Krecz.
• Carex resectans Cheeseman
• Carex retroflexa Muhl. ex Willd.
• Carex retrofracta Kük.
• Carex retrorsa Schwein.
• Carex reznicekii Werier
• Carex rhizina Blytt ex Lindblom
• Carex rhodesiaca Nelmes
• Carex rhombifructus Ohwi
• Carex rhynchoperigynium S.D.Jones & Reznicek
• Carex rhynchophysa Fisch., C.A.Mey. & Avé-Lall.^[3]
• Carex rhyncophora Franch.
• Carex richardsonii R.Br.
• Carex ridongensis P.C.Li
• Carex × rieseana Figert
• Carex rigidioides (Gorodkov) V.I.Krecz.
• Carex × rikuchiuensis Akiyama
• Carex riloensis Stoeva & E.D.Popova
• Carex riparia Curtis
• Carex rivulorum Dunn
• Carex roanensis F.J.Herm.
• Carex robinsonii Podlech
• Carex roraimensis Steyerm.
• Carex rorulenta Porta
• Carex rosea Willd.
• Carex × rossiana Degen
• Carex rossii Boott
• Carex rostellifera Y.L.Chang & Y.L.Yang
• Carex rostrata Stokes ^[3]
• Carex × rotae De Not.
• Carex rotundata Wahlenb.^[3]
• Carex royleana Nees
• Carex rubicunda Petrie
• Carex rubrobrunnea C.B.Clarke
• Carex rufina Drejer
• Carex rufulistolon T.Koyama
• Carex rugata Ohwi
• Carex rugulosa Kük.^[3]
• Carex runssoroensis K.Schum.
• Carex rupestris All.^[3]
• Carex rupicola (Pedersen) G.A.Wheeler
• Carex ruralis J.Oda & Nagam.
• Carex rutenbergiana Boeckeler
• Carex ruthii Mack.
• Carex ruthsatziae G.A.Wheeler
• Carex rzedowskii Reznicek & S.González

• Carex sabulosa Turcz. ex Kunth
• Carex sacerdotis Nelmes
• Carex sachalinensis F.Schmidt
• Carex sacrosancta Honda
• Carex sadoensis Franch.
• Carex sagaensis Y.C.Yang
• Carex sagei Phil.
• Carex sahnii Ghildyal & U.C.Bhattach.
• Carex sajanensis V.I.Krecz.
• Carex × sakaguchii Ohwi
• Carex sakonis T.Koyama
• Carex salina Wahlenb.
• Carex × salisiana Brügger
• Carex saltaensis Gross
• Carex sambiranensis (H.Lév.) Cherm.
• Carex sampsonii Hance
• Carex sanctae-marthae L.E.Mora & J.O.Rangel
• Carex × sanionis K.Richt.
• Carex sarawaketensis Kük.
• Carex × sardloqensis E.Dahl
• Carex sartwelliana Olney
• Carex sartwellii Dewey
• Carex satsumensis Franch. & Sav.
• Carex savaiiensis Kük.
• Carex saxatilis L.
• Carex × saxenii Raymond
• Carex saxicola Tang & F.T.Wang
• Carex saximontana Mack.
• Carex scabrata Schwein.
• Carex scabrella Wahlenb.
• Carex scabrifolia Steud.^[3]
• Carex scabripes Cherm.
• Carex scabrirostris Kük.
• Carex scabrisacca Ohwi & Ryu
• Carex scabriuscula Mack.
• Carex scaposa C.B.Clarke
• Carex schaffneri Boeckeler
• Carex × schallertii Murr
• Carex schiedeana Kunze
• Carex schlechteri Nelmes
• Carex schliebenii Podlech
• Carex schmidtii Meinsh.^[3]
• Carex schneideri Nelmes
• Carex schottii Dewey
• Carex × schuetzeana Figert
• Carex schwackeana Boeckeler
• Carex schweinitzii Dewey ex Schwein.
• Carex scirpoidea Michx.
• Carex scita Maxim.
• Carex scitiformis Kük.
• Carex scitula Boott
• Carex sclerocarpa Franch.
• Carex scolopendriformis F.T.Wang & Tang ex P.C.Li
• Carex scoparia Willd.
• Carex scopulorum Holm
• Carex secalina Willd. ex Wahlenb.
• Carex secta Boott
• Carex sectoides (Kük.) Edgar
• Carex sedakowii C.A.Mey. ex Meinsh.^[3]
• Carex sellowiana Schltdl.
• Carex semihyalofructa Tak.Shimizu
• Carex sempervirens Vill.
• Carex × senayana Soó
• Carex × sendtneriana Brügger
• Carex senta Boott
• Carex seorsa Howe
• Carex seposita C.B.Clarke
• Carex serpenticola Zika
• Carex serratodens S.Watson
• Carex × serravalensis Beauverd
• Carex serreana Hand.-Mazz.
• Carex seticulmis Boeckeler
• Carex setifolia Kunze
• Carex setigera D.Don
• Carex setigluma Reznicek & S.González
• Carex setispica C.B.Clarke
• Carex setosa Boott
• Carex shaanxiensis F.T.Wang & Tang ex P.C.Li
• Carex × shakushizawaensis Akiyama
• Carex shandanica Y.C.Yang
• Carex shanensis C.B.Clarke
• Carex shangchengensis S.Yun Liang
• Carex shanghaiensis S.X.Qian & Y.Q.Liu
• Carex shanghangensis S.Yun Liang
• Carex sheldonii Mack.
• Carex shimidzensis Franch.^[3]
• Carex × shinanoana Nakai ex Aliyama
• Carex shinnersii P.Rothr. & Reznicek
• Carex shiriyajirensis Akiyama ex Tatew.
• Carex shortiana Dewey & Torr.
• Carex shuangbaiensis L.K.Dai
• Carex shuchengensis S.W.Su & Q.Zhang
• Carex siccata Dewey
• Carex sichouensis P.C.Li
• Carex siderosticta Hance^[3]
• Carex siderosticta var. pilosa H.Lév. ex T.Koyama^[3]
• Carex silicea Olney
• Carex silvestrii Pamp.
• Carex simensis Hochst. ex A.Rich.
• Carex simulans C.B.Clarke
• Carex simulata Mack.
• Carex sinclairii Boott ex Cheeseman
• Carex sinoaristata Tang & F.T.Wang ex L.K.Dai
• Carex sinodissitiflora Tang & F.T.Wang ex L.K.Dai
• Carex sinomairei H.Lév.
• Carex siroumensis Koidz.^[3]
• Carex skottsbergiana Kük.
• Carex socialis Mohlenbr. & Schwegman
• Carex sociata Boott
• Carex soczavaeana Gorodkov
• Carex sodiroi Kük.
• Carex × soerensenii Lepage
• Carex sohachii Ohwi
• Carex solandri Boott
• Carex × sooi Jakucs
• Carex sordida Van Heurck & Müll.Arg.^[3]
• Carex sorianoi Barros
• Carex sororia Kunth
• Carex sozusensis Ohwi
• Carex spachiana Boott
• Carex sparganioides Muhl. ex Willd.
• Carex specifica L.H.Bailey
• Carex speciosa Kunth
• Carex spectabilis Dewey
• Carex specuicola J.T.Howell
• Carex sphaerogyna Baker
• Carex spicata Huds.
• Carex spicatopaniculata Boeckeler ex C.B.Clarke
• Carex spicigera Nees
• Carex × spiculosa Fr.
• Carex spilocarpa Steud.
• Carex spinirostris Colenso
• Carex spissa L.H.Bailey ex Hemsl.
• Carex spongiosa Ohwi
• Carex sprengelii Dewey ex Spreng.
• Carex × squamigera V.I.Krecz. & Luchnik
• Carex squarrosa L.
• Carex standleyana Steyerm.
• Carex stenandra Kük.
• Carex stenantha Franch. & Sav.
• Carex stenocarpa Turcz. ex V.I.Krecz.
• Carex × stenolepis Less.
• Carex stenophylla Wahlenb.
• Carex stenoptila F.J.Herm.
• Carex stenostachys Franch. & Sav.
• Carex sterilis Willd.
• Carex steudneri Boeckeler
• Carex stevenii (Holm) Kalela
• Carex steyermarkii Standl.
• Carex stipata Muhl. ex Willd.^[3]
• Carex stiphrogyne Gilli
• Carex stipitiutriculata P.C.Li
• Carex stokesii F.Br.
• Carex stracheyi Boott ex C.B.Clarke
• Carex stramentitia Boott ex Boeckeler
• Carex straminea Willd. ex Schkuhr
• Carex straminiformis L.H.Bailey
• Carex streptorrhampha Nelmes
• Carex striata Michx.
• Carex striatula Michx.
• Carex stricta Lam.
• Carex × stricticulmis Holmb.
• Carex × strictiformis Almq.
• Carex strigosa Huds.
• Carex × strigosula Chatenier
• Carex stuessyi G.A.Wheeler
• Carex × stygia Fr.
• Carex styloflexa Buckley
• Carex stylosa C.A.Mey.
• Carex subandrogyna G.A.Wheeler & Guagl.
• Carex subantarctica Speg.
• Carex subbracteata Mack.
• Carex subcapitata X.F.Jin, C.Z.Zheng & B.Y.Ding
• Carex subcernua Ohwi
• Carex × subcostata Holmb.
• Carex subdivulsa (Kük.) G.A.Wheeler
• Carex subdola Boott
• Carex subebracteata (Kük.) Ohwi^[3]
• Carex suberecta (Olney) Britton
• Carex subfilicinoides Kük.
• Carex subfuegiana G.A.Wheeler
• Carex × subimpressa Clokey
• Carex subinclinata T.Koyama
• Carex subinflata Nelmes
• Carex sublateralis T.Koyama
• Carex submollicula Tang & F.T.Wang ex L.K.Dai
• Carex subnigricans Stacey
• Carex × subpaleacea J.Cay.
• Carex × subpatula Holmb.
• Carex subperakensis L.K.Ling & Y.Z.Huang
• Carex subphysodes Popov ex V.I.Krecz.
• Carex subpumila Tang & F.T.Wang ex L.K.Dai
• Carex × subrecta J.Cay.
• Carex × subsalina Lepage
• Carex subscabrella Kük.
• Carex subspathacea Wormsk. ex Hornem.^[3]
• Carex subumbellata Meinsh.^[3]
• Carex suifunensis Kom.^[3]
• Carex × sullivantii Boott
• Carex × sumikawaensis Fujiw. & Y.Matsuda
• Carex superata Naczi, Reznicek & B.A.Ford
• Carex supina Willd. ex Wahlenb.
• Carex sutchuensis Franch.
• Carex × suziella Podp.
• Carex swanii (Fernald) Mack.
• Carex sychnocephala J.Carey
• Carex sylvatica Huds.
• Carex × sylvenii Holmb.