| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CABRC2 | Carex brevior (Dewey) Mackenzie var. crawei (W. Boott) Boivin | Carex bicknellii var. bicknellii | Cyperaceae
|
| CABR10 | Carex brevior (Dewey) Mackenzie | shortbeak sedge | Cyperaceae
|
| CABR11 | Carex brevipes W. Boott | Carex rossii | Cyperaceae
|
| CABRP3 | Carex breweri Boott var. paddoensis (Suksdorf) Cronq. | Carex engelmannii | Cyperaceae
|
| CABR12 | Carex breweri Boott | Brewer's sedge | Cyperaceae
|
| CABR13 | Carex brittoniana Bailey | Carex tetrastachya | Cyperaceae
|
| CABRB2 | Carex bromoides Schkuhr ex Willd. var. bromoides | bromelike sedge | Cyperaceae
|
| CABRM | Carex bromoides Schkuhr ex Willd. var. montana Naczi | bromelike sedge | Cyperaceae
|
| CABR14 | Carex bromoides Schkuhr ex Willd. | bromelike sedge | Cyperaceae
|
| CABR19 | Carex brunnea Thunb. | greater brown sedge | Cyperaceae
|
| CABRA2 | Carex brunnescens (Pers.) Poir. ssp. alaskana Kalela | Alaska brownish sedge | Cyperaceae
|
| CABRB3 | Carex brunnescens (Pers.) Poir. ssp. brunnescens | brownish sedge | Cyperaceae
|
| CABRP2 | Carex brunnescens (Pers.) Poir. ssp. pacifica Kalela | Pacific brownish sedge | Cyperaceae
|
| CABRS | Carex brunnescens (Pers.) Poir. ssp. sphaerostachya (Tuckerman) Kalela | brownish sedge | Cyperaceae
|
| CABRS2 | Carex brunnescens (Pers.) Poir. var. sphaerostachya (Tuckerman) K�kenth. | Carex brunnescens ssp. sphaerostachya | Cyperaceae
|
| CABR15 | Carex brunnescens (Pers.) Poir. | brownish sedge | Cyperaceae
|
| CABR44 | Carex brysonii Naczi | Bryson's sedge | Cyperaceae
|
| CABU4 | Carex bulbostylis Mackenzie | Carex amphibola | Cyperaceae
|
| CABU7 | Carex bullata Schkuhr ex Willd. | button sedge | Cyperaceae
|
| CABU5 | Carex bushii Mackenzie | Bush's sedge | Cyperaceae
|
| CABU6 | Carex buxbaumii Wahlenb. | Buxbaum's sedge | Cyperaceae
|
| CACA22 | Carex �caesariensis Mackenzie (pro sp.) | | Cyperaceae
|
| CACA9 | Carex californica Bailey | California sedge | Cyperaceae
|
| CACA50 | Carex camporum Mackenzie | Carex praegracilis | Cyperaceae
|
| CACAA6 | Carex campylocarpa Holm ssp. affinis Maguire & A. Holmgren | Carex scopulorum var. bracteosa | Cyperaceae
|
| CACA10 | Carex campylocarpa Holm | Carex scopulorum var. bracteosa | Cyperaceae
|
| CACAA4 | Carex canescens L. ssp. arctiformis (Mackenzie) Calder & Taylor | Carex arctiformis | Cyperaceae
|
| CACAC6 | Carex canescens L. ssp. canescens | silvery sedge | Cyperaceae
|
| CACAD2 | Carex canescens L. ssp. disjuncta (Fern.) Toivonen | silvery sedge | Cyperaceae
|
| CACAD | Carex canescens L. var. disjuncta Fern. | Carex canescens ssp. disjuncta | Cyperaceae
|
| CACAS2 | Carex canescens L. var. subloliacea (Laestad.) Hartman | Carex lapponica | Cyperaceae
|
| CACA11 | Carex canescens L. | silvery sedge | Cyperaceae
|
| CACAC13 | Carex capillaris L. ssp. chlorostachys (Stev.) A.& D. L�ve & Raymond | Carex capillaris | Cyperaceae
|
| CACAK | Carex capillaris L. ssp. krausei (Boeckl.) B�cher | Carex krausei | Cyperaceae
|
| CACAP3 | Carex capillaris L. ssp. porsildiana (Polunin) B�cher | Carex krausei | Cyperaceae
|
| CACAR4 | Carex capillaris L. ssp. robustior (Drej. ex Lange) B�cher | Carex capillaris | Cyperaceae
|
| CACAE | Carex capillaris L. var. elongata Olney ex Fern. | Carex capillaris | Cyperaceae
|
| CACAF | Carex capillaris L. var. fuscidula (Krecz.) A.& D. L�ve | Carex capillaris | Cyperaceae
|
| CACAK2 | Carex capillaris L. var. krausei (Boeckl.) Crantz | Carex krausei | Cyperaceae
|
| CACAM2 | Carex capillaris L. var. major Blytt | Carex capillaris | Cyperaceae
|
| CACAW | Carex capillaris L. var. williamsii (Britt.) Boivin | Carex williamsii | Cyperaceae
|
| CACA12 | Carex capillaris L. | hairlike sedge | Cyperaceae
|
| CACAA2 | Carex capitata L. ssp. arctogena (H. Sm.) Hiitonen | capitate sedge | Cyperaceae
|
| CACAC7 | Carex capitata L. ssp. capitata | capitate sedge | Cyperaceae
|
| CACAA5 | Carex capitata L. var. arctogena (H. Sm.) Hult�n | Carex capitata ssp. arctogena | Cyperaceae
|
| CACA13 | Carex capitata L. | capitate sedge | Cyperaceae
|
| CACA14 | Carex careyana Torr. ex Dewey | Carey's sedge | Cyperaceae
|
| CACAC12 | Carex caroliniana Schwein. var. cuspidata (Dewey) Shinners | Carex bushii | Cyperaceae
|
| CACA15 | Carex caroliniana Schwein. | Carolina sedge | Cyperaceae
|
| CACA23 | Carex caryophyllea Lat. | vernal sedge | Cyperaceae
|
| CACA16 | Carex castanea Wahlenb. | chestnut sedge | Cyperaceae
|
| CACE5 | Carex cephalantha (Bailey) Bickn. | Carex echinata ssp. echinata | Cyperaceae
|
| CACE2 | Carex cephaloidea (Dewey) Dewey | thinleaf sedge | Cyperaceae
|
| CACEA | Carex cephalophora Muhl. ex Willd. var. angustifolia Boott | Carex leavenworthii | Cyperaceae
|
| CACEL | Carex cephalophora Muhl. ex Willd. var. leavenworthii (Dewey) K�kenth. | Carex leavenworthii | Cyperaceae
|
| CACEM | Carex cephalophora Muhl. ex Willd. var. mesochorea (Mackenzie) Gleason | Carex mesochorea | Cyperaceae
|
| CACE | Carex cephalophora Muhl. ex Willd. | oval-leaf sedge | Cyperaceae
|
| CACH21 | Carex chalciolepis Holm | Carex heteroneura var. chalciolepis | Cyperaceae
|
| CACH9 | Carex chapmanii Steud. | Chapman's sedge | Cyperaceae
|
| CACH3 | Carex cherokeensis Schwein. | Cherokee sedge | Cyperaceae
|
| CACH4 | Carex chihuahuensis Mackenzie | Chihuahuan sedge | Cyperaceae
|
| CACH17 | Carex chimaphila Holm | Carex scopulorum var. scopulorum | Cyperaceae
|
| CACH5 | Carex chordorrhiza Ehrh. ex L. f. | creeping sedge | Cyperaceae
|
| CACI5 | Carex circinata C.A. Mey. | coiled sedge | Cyperaceae
|
| CACO21 | Carex collinsii Nutt. | Collins' sedge | Cyperaceae
|
| CACO49 | Carex colorata Mackenzie | Carex woodii | Cyperaceae
|
| CACOA2 | Carex communis Bailey var. amplisquama (F.J. Herm.) J. Rettig | Dixie sedge | Cyperaceae
|
| CACOC4 | Carex communis Bailey var. communis | fibrousroot sedge | Cyperaceae
|
| CACO7 | Carex communis Bailey | fibrousroot sedge | Cyperaceae
|
| CACO8 | Carex comosa Boott | longhair sedge | Cyperaceae
|
| CACOH | Carex complanata Torr. & Hook. var. hirsuta (Willd.) Gleason | Carex hirsutella | Cyperaceae
|
| CACO9 | Carex complanata Torr. & Hook. | hirsute sedge | Cyperaceae
|
| CACO10 | Carex concinna R. Br. | low northern sedge | Cyperaceae
|
| CACO11 | Carex concinnoides Mackenzie | northwestern sedge | Cyperaceae
|
| CACO12 | Carex congdonii Bailey | Congdon's sedge | Cyperaceae
|
| CACO13 | Carex conjuncta Boott | soft fox sedge | Cyperaceae
|
| CACO14 | Carex conoidea Schkuhr ex Willd. | openfield sedge | Cyperaceae
|
| CACO51 | Carex consimilis Holm | Carex bigelowii | Cyperaceae
|
| CACO80 | Carex constanceana Stacey | Contance's sedge | Cyperaceae
|
| CACO40 | Carex contigua Hoppe | Carex spicata | Cyperaceae
|
| CACO58 | Carex convoluta Mackenzie | Carex rosea | Cyperaceae
|
| CACO53 | Carex �copulata (Bailey) Mackenzie | Carex laxiculmis var. copulata | Cyperaceae
|
| CACO22 | Carex corrugata Fern. | Carex amphibola | Cyperaceae
|
| CACO47 | Carex costata Schwein. | Carex virescens | Cyperaceae
|
| CACR17 | Carex crandallii Gandog. | Carex pyrenaica ssp. pyrenaica | Cyperaceae
|
| CACR3 | Carex crawei Dewey | Crawe's sedge | Cyperaceae
|
| CACRV | Carex crawfordii Fern. var. vigens Fern. | Carex crawfordii | Cyperaceae
|
| CACR4 | Carex crawfordii Fern. | Crawford's sedge | Cyperaceae
|
| CACR5 | Carex crebriflora Wieg. | coastalplain sedge | Cyperaceae
|
| CACRB | Carex crinita Lam. var. brevicrinis Fern. | fringed sedge | Cyperaceae
|
| CACRC2 | Carex crinita Lam. var. crinita | fringed sedge | Cyperaceae
|
| CACRG2 | Carex crinita Lam. var. gynandra (Schwein.) Schwein. & Torr. | Carex gynandra | Cyperaceae
|
| CACRM3 | Carex crinita Lam. var. minor Boott | Carex crinita var. crinita | Cyperaceae
|
| CACRM2 | Carex crinita Lam. var. mitchelliana (M.A. Curtis) Gleason | Carex mitchelliana | Cyperaceae
|
| CACRP | Carex crinita Lam. var. porteri (Olney) Fern. | Porter's fringed sedge | Cyperaceae
|
| CACRS | Carex crinita Lam. var. simulans Fern. | Carex crinita var. crinita | Cyperaceae
|
| CACR6 | Carex crinita Lam. | fringed sedge | Cyperaceae
|
| CACR7 | Carex cristatella Britt. | crested sedge | Cyperaceae
|
| CACR8 | Carex crus-corvi Shuttlw. ex Kunze | ravenfoot sedge | Cyperaceae
|
| CACR15 | Carex cryptocarpa C.A. Mey. | Carex lyngbyei | Cyperaceae
|
| CACR16 | Carex cryptochlaena Holm | Carex lyngbyei | Cyperaceae
|