| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CALE9 | Carex leporinella Mackenzie | Sierra hare sedge | Cyperaceae
|
| CALEH | Carex leptalea Wahlenb. ssp. harperi (Fern.) W. Stone | Harper's sedge | Cyperaceae
|
| CALEL4 | Carex leptalea Wahlenb. ssp. leptalea | bristlystalked sedge | Cyperaceae
|
| CALEP2 | Carex leptalea Wahlenb. ssp. pacifica Calder & Taylor | Pacific bristlystalked sedge | Cyperaceae
|
| CALEH3 | Carex leptalea Wahlenb. var. harperi (Fern.) Weatherby & Grisc. | Carex leptalea ssp. harperi | Cyperaceae
|
| CALET | Carex leptalea Wahlenb. var. ?tayloris Boivin | Carex leptalea ssp. pacifica | Cyperaceae
|
| CALE10 | Carex leptalea Wahlenb. | bristlystalked sedge | Cyperaceae
|
| CALE11 | Carex leptonervia (Fern.) Fern. | nerveless woodland sedge | Cyperaceae
|
| CALE24 | Carex leptopoda Mackenzie | taperfruit shortscale sedge | Cyperaceae
|
| CALE12 | Carex leucodonta Holm | Huachuca Mountain sedge | Cyperaceae
|
| CALI12 | Carex limnaea Holm | Carex lenticularis var. impressa | Cyperaceae
|
| CALI6 | Carex limnophila F.J. Herm. | Carex microptera | Cyperaceae
|
| CALI7 | Carex limosa L. | mud sedge | Cyperaceae
|
| CALI16 | Carex �limula T. Fries (pro sp.) | | Cyperaceae
|
| CALIG | Carex livida (Wahlenb.) Willd. var. grayana (Dewey) Fern. | Carex livida var. radicaulis | Cyperaceae
|
| CALIR | Carex livida (Wahlenb.) Willd. var. radicaulis Paine | livid sedge | Cyperaceae
|
| CALI | Carex livida (Wahlenb.) Willd. | livid sedge | Cyperaceae
|
| CALO4 | Carex loliacea L. | ryegrass sedge | Cyperaceae
|
| CALO9 | Carex lonchocarpa Willd. | southern long sedge | Cyperaceae
|
| CALO5 | Carex longii Mackenzie | Long's sedge | Cyperaceae
|
| CALO6 | Carex louisianica Bailey | Louisiana sedge | Cyperaceae
|
| CALUA2 | Carex lucorum Willd. ex Link var. austrolucorum J. Rettig | Blue Ridge sedge | Cyperaceae
|
| CALUL | Carex lucorum Willd. ex Link var. lucorum | Blue Ridge sedge | Cyperaceae
|
| CALU17 | Carex lucorum Willd. ex Link | Blue Ridge sedge | Cyperaceae
|
| CALU2 | Carex lugens Holm | spruce muskeg sedge | Cyperaceae
|
| CALU15 | Carex lunelliana Mackenzie | Carex gravida var. lunelliana | Cyperaceae
|
| CALU3 | Carex lupuliformis Sartwell ex Dewey | false hop sedge | Cyperaceae
|
| CALUP | Carex lupulina Muhl. ex Willd. var. pedunculata Gray | Carex lupulina | Cyperaceae
|
| CALU4 | Carex lupulina Muhl. ex Willd. | hop sedge | Cyperaceae
|
| CALU5 | Carex lurida Wahlenb. | shallow sedge | Cyperaceae
|
| CALU26 | Carex lutea LeBlond | sulphur sedge | Cyperaceae
|
| CALU6 | Carex luzulifolia W. Boott | littleleaf sedge | Cyperaceae
|
| CALUA | Carex luzulina Olney var. ablata (Bailey) F.J. Herm. | woodrush sedge | Cyperaceae
|
| CALUA3 | Carex luzulina Olney var. atropurpurea Dorn | woodrush sedge | Cyperaceae
|
| CALUL2 | Carex luzulina Olney var. luzulina | woodrush sedge | Cyperaceae
|
| CALU7 | Carex luzulina Olney | woodrush sedge | Cyperaceae
|
| CALY6 | Carex lyallii Boott | Carex raynoldsii | Cyperaceae
|
| CALYR | Carex lyngbyei Hornem. var. robusta (Bailey) Cronq. | Carex lyngbyei | Cyperaceae
|
| CALY3 | Carex lyngbyei Hornem. | Lyngbye's sedge | Cyperaceae
|
| CAMA8 | Carex mackenziei Krecz. | Mackenzie's sedge | Cyperaceae
|
| CAMAF | Carex macloviana d'Urv. ssp. festivella (Mackenzie) A.& D. L�ve | Carex microptera | Cyperaceae
|
| CAMAH | Carex macloviana d'Urv. ssp. haydeniana (Olney) Taylor & MacBryde | Carex haydeniana | Cyperaceae
|
| CAMAP4 | Carex macloviana d'Urv. ssp. pachystachya (Cham. ex Steud.) Hult�n | Carex pachystachya | Cyperaceae
|
| CAMAS3 | Carex macloviana d'Urv. ssp. subfusca (W. Boott) T. Koyama | Carex subfusca | Cyperaceae
|
| CAMAM13 | Carex macloviana d'Urv. var. microptera (Mackenzie) Boivin | Carex microptera | Cyperaceae
|
| CAMAP5 | Carex macloviana d'Urv. var. pachystachya (Cham. ex Steud.) K�kenth. | Carex pachystachya | Cyperaceae
|
| CAMA9 | Carex macloviana d'Urv. | thickhead sedge | Cyperaceae
|
| CAMA18 | Carex �macounii Dewey | Carex lupulina | Cyperaceae
|
| CAMAB2 | Carex macrocephala Willd. ex Spreng. var. bracteata Holm | largehead sedge | Cyperaceae
|
| CAMAM6 | Carex macrocephala Willd. ex Spreng. var. macrocephala | largehead sedge | Cyperaceae
|
| CAMA10 | Carex macrocephala Willd. ex Spreng. | largehead sedge | Cyperaceae
|
| CAMA11 | Carex macrochaeta C.A. Mey. | longawn sedge | Cyperaceae
|
| CAMA40 | Carex macrogyna Turcz. ex Steud. | Carex petricosa | Cyperaceae
|
| CAMA51 | Carex macrostachys Bertol. | largespike sedge | Cyperaceae
|
| CAMAI2 | Carex magellanica Lam. ssp. irrigua (Wahlenb.) Hult�n | boreal bog sedge | Cyperaceae
|
| CAMAI4 | Carex magellanica Lam. var. irrigua (Wahlenb.) B.S.P. | Carex magellanica ssp. irrigua | Cyperaceae
|
| CAMA12 | Carex magellanica Lam. | boreal bog sedge | Cyperaceae
|
| CAMA46 | Carex magnifica Dewey ex Piper | Carex obnupta | Cyperaceae
|
| CAMA19 | Carex magnifolia Mackenzie | Carex abscondita | Cyperaceae
|
| CAMA55 | Carex mainensis Porter ex Britt. | Carex stenolepis | Cyperaceae
|
| CAMA33 | Carex manhartii Bryson | Manhart's sedge | Cyperaceae
|
| CAMA47 | Carex marginata Willd. | Carex pensylvanica | Cyperaceae
|
| CAMA34 | Carex marina Dewey | sea sedge | Cyperaceae
|
| CAMA13 | Carex mariposana Bailey ex Mackenzie | Mariposa sedge | Cyperaceae
|
| CAMAI3 | Carex maritima Gunn. var. incurviformis (Mackenzie) Boivin | Carex incurviformis var. incurviformis | Cyperaceae
|
| CAMAS5 | Carex maritima Gunn. var. setina (Christ) Fern. | Carex incurviformis var. incurviformis | Cyperaceae
|
| CAMA14 | Carex maritima Gunn. | curved sedge | Cyperaceae
|
| CAME2 | Carex meadii Dewey | Mead's sedge | Cyperaceae
|
| CAMES | Carex media R. Br. var. stevenii (Holm) Fern. | Carex norvegica ssp. stevenii | Cyperaceae
|
| CAME9 | Carex media R. Br. | Carex norvegica ssp. inferalpina | Cyperaceae
|
| CAME10 | Carex melanostachya Bieb. ex Willd. | Great Plains sedge | Cyperaceae
|
| CAME11 | Carex melozitnensis Porsild | Carex rotundata | Cyperaceae
|
| CAME4 | Carex membranacea Hook. | fragile sedge | Cyperaceae
|
| CAME25 | Carex membranopacta Bailey | Carex membranacea | Cyperaceae
|
| CAME5 | Carex mendocinensis Olney | Mendocino sedge | Cyperaceae
|
| CAME12 | Carex merritt-fernaldii Mackenzie | Fernald's sedge | Cyperaceae
|
| CAME6 | Carex mertensii Prescott ex Bong. | Mertens' sedge | Cyperaceae
|
| CAME13 | Carex mesochorea Mackenzie | midland sedge | Cyperaceae
|
| CAME14 | Carex meyenii Nees | Meyen's sedge | Cyperaceae
|
| CAMI15 | Carex michauxiana Boeckl. | Michaux's sedge | Cyperaceae
|
| CAMI35 | Carex michiganensis Dewey | Carex lucorum var. lucorum | Cyperaceae
|
| CAMIM | Carex microchaeta Holm ssp. microchaeta | smallawned sedge | Cyperaceae
|
| CAMIN | Carex microchaeta Holm ssp. nesophila (Holm) E. Murr. | Bering Sea sedge | Cyperaceae
|
| CAMI4 | Carex microchaeta Holm | smallawned sedge | Cyperaceae
|
| CAMI5 | Carex microdonta Torr. & Hook. | littletooth sedge | Cyperaceae
|
| CAMI6 | Carex microglochin Wahlenb. | fewseeded bog sedge | Cyperaceae
|
| CAMI16 | Carex micropoda C.A. Mey. | Carex pyrenaica ssp. micropoda | Cyperaceae
|
| CAMIC | Carex microptera Mackenzie var. crassinervia F.J. Herm. | Carex microptera | Cyperaceae
|
| CAMIL | Carex microptera Mackenzie var. limnophila (F.J. Herm.) Dorn | Carex microptera | Cyperaceae
|
| CAMI7 | Carex microptera Mackenzie | smallwing sedge | Cyperaceae
|
| CAMI8 | Carex microrhyncha Mackenzie | littlesnout sedge | Cyperaceae
|
| CAMI29 | Carex miliaris Michx. | Carex saxatilis | Cyperaceae
|
| CAMI31 | Carex �minganinsularum Raymond | Carex sterilis | Cyperaceae
|
| CAMI10 | Carex misandra R. Br. | shortleaved sedge | Cyperaceae
|
| CAMI17 | Carex misera Buckl. | wretched sedge | Cyperaceae
|
| CAMI11 | Carex miserabilis Mackenzie | Carex scopulorum var. prionophylla | Cyperaceae
|
| CAMI18 | Carex mitchelliana M.A. Curtis | Mitchell's sedge | Cyperaceae
|
| CAMO10 | Carex mohriana Mackenzie | Carex atlantica ssp. capillacea | Cyperaceae
|
| CAMO11 | Carex molesta Mackenzie ex Bright | troublesome sedge | Cyperaceae
|
| CAMO35 | Carex molestiformis Reznicek & Rothrock | frightful sedge | Cyperaceae
|
| CAMO24 | Carex monile Tuckerman | Carex vesicaria var. monile | Cyperaceae
|