| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CAAM20 | Carex ambusta Boott | Carex physocarpioides | Cyperaceae
|
| CAAMG | Carex amphibola Steud. var. globosa (Bailey) Bailey | Carex amphibola | Cyperaceae
|
| CAAMR | Carex amphibola Steud. var. rigida (Bailey) Fern. | Carex amphibola | Cyperaceae
|
| CAAMT | Carex amphibola Steud. var. turgida Fern. | Carex amphibola | Cyperaceae
|
| CAAM8 | Carex amphibola Steud. | eastern narrowleaf sedge | Cyperaceae
|
| CAAM16 | Carex amphigena (Fern.) Mackenzie | Carex glareosa ssp. glareosa var. amphigena | Cyperaceae
|
| CAAM9 | Carex amplectens Mackenzie | claspbract sedge | Cyperaceae
|
| CAAM10 | Carex amplifolia Boott | bigleaf sedge | Cyperaceae
|
| CAAM12 | Carex amplisquama F.J. Herm. | Carex communis var. amplisquama | Cyperaceae
|
| CAAN17 | Carex anceps Muhl. | Carex laxiflora var. laxiflora | Cyperaceae
|
| CAAN18 | Carex angarae Steud. | Carex norvegica ssp. inferalpina | Cyperaceae
|
| CAAN15 | Carex angustata Boott | widefruit sedge | Cyperaceae
|
| CAANG2 | Carex angustior Mackenzie var. gracilenta Clausen & H.A. Wahl | Carex echinata ssp. echinata | Cyperaceae
|
| CAAN23 | Carex angustior Mackenzie | Carex echinata ssp. echinata | Cyperaceae
|
| CAANX | Carex annectens (Bickn.) Bickn. var. xanthocarpa (K�kenth.) Wieg. | Carex annectens | Cyperaceae
|
| CAAN6 | Carex annectens (Bickn.) Bickn. | yellowfruit sedge | Cyperaceae
|
| CAAN10 | Carex anthoxanthea J.& K. Presl | grassyslope arctic sedge | Cyperaceae
|
| CAANI | Carex �anticostensis (Fern.) Lepage var. inflatior Lepage (pro nm.) | Carex stenolepis | Cyperaceae
|
| CAANL | Carex �anticostensis (Fern.) Lepage var. longidens Lepage (pro nm.) | Carex stenolepis | Cyperaceae
|
| CAANM2 | Carex �anticostensis (Fern.) Lepage var. minor Lepage (pro nm.) | Carex stenolepis | Cyperaceae
|
| CAAN16 | Carex �anticostensis (Fern.) Lepage | Carex stenolepis | Cyperaceae
|
| CAAP3 | Carex aperta Boott | Columbian sedge | Cyperaceae
|
| CAAP6 | Carex apoda Clokey | Carex atrosquama | Cyperaceae
|
| CAAP5 | Carex appalachica J. Webber & P.W. Ball | Appalachian sedge | Cyperaceae
|
| CAAQA4 | Carex aquatilis Wahlenb. ssp. altior (Rydb.) Hult�n | Carex aquatilis var. aquatilis | Cyperaceae
|
| CAAQS3 | Carex aquatilis Wahlenb. ssp. stans (Drej.) Hult�n | Carex aquatilis var. stans | Cyperaceae
|
| CAAQA5 | Carex aquatilis Wahlenb. var. altior (Rydb.) Fern. | Carex aquatilis var. aquatilis | Cyperaceae
|
| CAAQA | Carex aquatilis Wahlenb. var. aquatilis | water sedge | Cyperaceae
|
| CAAQD | Carex aquatilis Wahlenb. var. dives (Holm) K�kenth. | Sitka sedge | Cyperaceae
|
| CAAQS4 | Carex aquatilis Wahlenb. var. sitchensis (Prescott ex Bong.) L. Kelso | Carex aquatilis var. dives | Cyperaceae
|
| CAAQS | Carex aquatilis Wahlenb. var. stans (Drej.) Boott | water sedge | Cyperaceae
|
| CAAQS2 | Carex aquatilis Wahlenb. var. substricta K�kenth. | Carex aquatilis var. aquatilis | Cyperaceae
|
| CAAQ | Carex aquatilis Wahlenb. | water sedge | Cyperaceae
|
| CAAR13 | Carex arapahoensis Clokey | Arapaho sedge | Cyperaceae
|
| CAAR2 | Carex arcta Boott | northern cluster sedge | Cyperaceae
|
| CAAR3 | Carex arctata Boott ex Hook. | drooping woodland sedge | Cyperaceae
|
| CAAR14 | Carex arctiformis Mackenzie | polar sedge | Cyperaceae
|
| CAAR15 | Carex arctogena H. Sm. | Carex capitata ssp. arctogena | Cyperaceae
|
| CAAR16 | Carex arenaria L. | sand sedge | Cyperaceae
|
| CAARP | Carex arenicola F. Schmidt ssp. pansa (Bailey) T. Koyama & Calder | Carex pansa | Cyperaceae
|
| CAAR32 | Carex arenicola F. Schmidt | Carex pansa | Cyperaceae
|
| CAAR4 | Carex argyrantha Tuckerman | hay sedge | Cyperaceae
|
| CAAR5 | Carex arkansana (Bailey) Bailey | Arkansas sedge | Cyperaceae
|
| CAARS | Carex artitecta Mackenzie var. subtilirostris F.J. Herm. | Carex albicans var. albicans | Cyperaceae
|
| CAAR17 | Carex artitecta Mackenzie | Carex albicans var. albicans | Cyperaceae
|
| CAAS8 | Carex asa-grayi Bailey | Carex grayi | Cyperaceae
|
| CAAS2 | Carex assiniboinensis W. Boott | Assiniboia sedge | Cyperaceae
|
| CAAT12 | Carex athabascensis F.J. Herm. | Carex scirpoidea | Cyperaceae
|
| CAAT2 | Carex atherodes Spreng. | wheat sedge | Cyperaceae
|
| CAAT3 | Carex athrostachya Olney | slenderbeak sedge | Cyperaceae
|
| CAATA2 | Carex atlantica Bailey ssp. atlantica | prickly bog sedge | Cyperaceae
|
| CAATC | Carex atlantica Bailey ssp. capillacea (Bailey) Reznicek | prickly bog sedge | Cyperaceae
|
| CAATC4 | Carex atlantica Bailey var. capillaceae (Bailey) Cronq. | Carex atlantica ssp. capillacea | Cyperaceae
|
| CAATI | Carex atlantica Bailey var. incomperta (Bickn.) F.J. Herm. | Carex atlantica ssp. atlantica | Cyperaceae
|
| CAAT4 | Carex atlantica Bailey | prickly bog sedge | Cyperaceae
|
| CAATA4 | Carex atrata L. ssp. atrosquama (Mackenzie) Hult�n | Carex atrosquama | Cyperaceae
|
| CAATA5 | Carex atrata L. var. atrosquama (Mackenzie) Cronq. | Carex atrosquama | Cyperaceae
|
| CAATC2 | Carex atrata L. var. chalciolepis (Holm) K�kenth. | Carex heteroneura var. chalciolepis | Cyperaceae
|
| CAATE | Carex atrata L. var. erecta W. Boott | Carex heteroneura var. epapillosa | Cyperaceae
|
| CAAT5 | Carex atrata L. p.p. | Carex atratiformis | Cyperaceae
|
| CAAT13 | Carex atrata auct. p.p. non L. | Carex heteroneura var. brevisquama | Cyperaceae
|
| CAAT13 | Carex atrata auct. p.p. non L. | Carex heteroneura var. epapillosa | Cyperaceae
|
| CAATR | Carex atratiformis Britt. ssp. raymondii (Calder) Porsild | Carex raymondii | Cyperaceae
|
| CAAT6 | Carex atratiformis Britt. | scrabrous black sedge | Cyperaceae
|
| CAATA3 | Carex atrofusca Schkuhr var. atrofusca | darkbrown sedge | Cyperaceae
|
| CAATM | Carex atrofusca Schkuhr var. major (Boeckl.) Raymond | darkbrown sedge | Cyperaceae
|
| CAAT7 | Carex atrofusca Schkuhr | darkbrown sedge | Cyperaceae
|
| CAAT8 | Carex atrosquama Mackenzie | lesser blackscale sedge | Cyperaceae
|
| CAAU3 | Carex aurea Nutt. | golden sedge | Cyperaceae
|
| CAAU6 | Carex austrina Mackenzie | southern sedge | Cyperaceae
|
| CAAU7 | Carex austrocaroliniana Bailey | tarheel sedge | Cyperaceae
|
| CABAS | Carex backii Boott var. saximontana (Mackenzie) Boivin | Carex saximontana | Cyperaceae
|
| CABAS2 | Carex backii Boott var. subrostrata (Bates) Dorn | Carex backii | Cyperaceae
|
| CABA3 | Carex backii Boott | Back's sedge | Cyperaceae
|
| CABA7 | Carex baileyi Britt. | Bailey's sedge | Cyperaceae
|
| CABA8 | Carex baltzellii Chapman ex Dewey | Baltzell's sedge | Cyperaceae
|
| CABA4 | Carex barbarae Dewey | Santa Barbara sedge | Cyperaceae
|
| CABA9 | Carex barrattii Schwein. & Torr. | Barratt's sedge | Cyperaceae
|
| CABA24 | Carex basiantha Steud. | Willdenow's sedge | Cyperaceae
|
| CABA10 | Carex bayardii Fern. | Carex crus-corvi | Cyperaceae
|
| CABE2 | Carex bebbii Olney ex Fern. | Bebb's sedge | Cyperaceae
|
| CABE9 | Carex behringensis C.B. Clarke | Carex podocarpa | Cyperaceae
|
| CABE3 | Carex bella Bailey | southwestern showy sedge | Cyperaceae
|
| CABIB | Carex bicknellii Britt. var. bicknellii | Bicknell's sedge | Cyperaceae
|
| CABIO | Carex bicknellii Britt. var. opaca F.J. Herm. | Bicknell's sedge | Cyperaceae
|
| CABI3 | Carex bicknellii Britt. | Bicknell's sedge | Cyperaceae
|
| CABI4 | Carex bicolor Bellardi ex All. | twocolor sedge | Cyperaceae
|
| CABI14 | Carex bifida W. Boott | Carex serratodens | Cyperaceae
|
| CABIH2 | Carex bigelowii Torr. ex Schwein. ssp. hyperborea (Drej.) B�cher | Carex bigelowii | Cyperaceae
|
| CABI5 | Carex bigelowii Torr. ex Schwein. | Bigelow's sedge | Cyperaceae
|
| CABI9 | Carex biltmoreana Mackenzie | stiff sedge | Cyperaceae
|
| CABIA | Carex bipartita All. var. amphigena (Fern.) Polunin | Carex glareosa ssp. glareosa var. amphigena | Cyperaceae
|
| CABIA2 | Carex bipartita All. var. austromontana F.J. Herm. | Carex lachenalii | Cyperaceae
|
| CABIG | Carex bipartita All. var. glareosa (Schkuhr ex Wahlenb.) Polunin | Carex glareosa ssp. glareosa var. glareosa | Cyperaceae
|
| CABI10 | Carex bipartita All. | Carex lachenalii | Cyperaceae
|
| CABL | Carex blanda Dewey | eastern woodland sedge | Cyperaceae
|
| CABO2 | Carex bolanderi Olney | Bolander's sedge | Cyperaceae
|
| CABO3 | Carex bonanzensis Britt. | Yukon sedge | Cyperaceae
|
| CABR28 | Carex brachyglossa Mackenzie | Carex annectens | Cyperaceae
|
| CABR7 | Carex brainerdii Mackenzie | Brainerd's sedge | Cyperaceae
|
| CABR8 | Carex brevicaulis Mackenzie | shortstem sedge | Cyperaceae
|