| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex gator | ![]() (c) Lacroix-Carignan, Étienne - CC0 | |||
| Cyperaceae | Carex gigantea | Giant Sedge | Swamps, bottomland forests, cypress depressions. | Delaware south to s. Florida, west to e. Texas, north in the interior to nw. Georgia (Jones & Coile 1988), Indiana and Oklahoma. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex grayi | Gray’s Sedge | Bottomland forests, tidal swamps. | Sw. Québec west to Wisconsin and Iowa, south to nw. Georgia and Oklahoma; disjunct in Panhandle Florida. | ![]() (c) Ward, Scott G |
| Cyperaceae | Carex intumescens var. fernaldii | Fernald’s Bladder Sedge | Spruce-fir forests, northern hardwood forests, grassy balds. | Newfoundland and Labrador (Newfoundland) west to Manitoba, south to New York, n. Pennsylvania, Michigan, Minnesota, and, at higher elevations in the Appalachians, to w. Virginia, w. North Carolina, and e. Tennessee. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex intumescens var. intumescens | Bladder Sedge, Pregnant Sedge | Bogs, fens, seeps, wet forests. | Nova Scotia west to Wisconsin, south to c. peninsular Florida and e. Texas. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex louisianica | Louisiana Sedge | Floodplain forests and other wet forests. | New Jersey south to ne. Florida, Panhandle Florida, west to Texas, north in the interior to Kentucky, Indiana, and Missouri; disjunct in ne. Ohio. McAvoy (2021) documented the occurrence of the species in Delaware. | ![]() (c) Bradley, Keith |
| Cyperaceae | Carex lupuliformis | Umbo Sedge, False Hop Sedge | Wet forests, floodplain pools, blackwater, tidal, and brownwater swamps, riverbanks, especially in or around seasonal ponded areas, maybe especially associated with alkaline areas. | Vermont and Québec west to se. Wisconsin, south to s. Florida and e. Texas. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex lupulina | Hop Sedge | Bottomland forests, wet meadows, marshes, swamps. | Nova Scotia west to Minnesota, south to ne. Florida and e. Texas. | ![]() (c) Fleming, Gary P. |







