| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex aquatilis var. substricta | Aquatic Sedge | Mountaintop ponds (with Dulichium arundinaceum, Vaccinium macrocarpon, Juncus canadensis), mafic fens at high elevation, northwards in sedge meadows and shores. | Newfoundland and Labrador (Newfoundland) west to North Dakota, south to New Jersey, s. Pennsylvania, Ohio, Indiana, Iowa, and Nebraska; disjunct in w. Virginia (Augusta County) and nw. North Carolina (Bluff Mountain, Ashe County, North Carolina). First reported for Virginia by Wieboldt et al. (1998). |  (c) Graeff, Alex - CC-BY-NC-ND, permission granted to NCBG |
| Cyperaceae | Carex brevicrinis | Short-fringed Sedge | Swamps, wet forests, and a wide range of other wetlands. | Massachusetts south to Florida, west to Texas, north in the interior to Kentucky and Missouri. |  (c) Fleming, Gary P. |
| Cyperaceae | Carex emoryi | Emory’s Sedge | Calcareous fens, spring marshes, wet meadows, seepages, ditches, rocky river scours, other wetlands. | New York and North Dakota south to w. Virginia, nc. North Carolina (E. Ungberg, pers.comm., 2025), s. Illinois, Arkansas, Texas, Coahuila, and Nuevo León. |  (c) Campos, Aidan |
| Cyperaceae | Carex fumosimontana | Smoky Mountain Sedge | Seepages at high elevations. | Endemic to the Great Smoky Mountains National Park (Cocke and Sevier counties, Tennessee, Swain County, North Carolina), specifically Clingmans Dome, Mount LeConte, and Mount Guyot. |  (c) J. Kevin, England - C, permission granted to NCBG |
| Cyperaceae | Carex gynandra | Nodding Sedge | Bogs, swamp forests, seepages, beaver wetlands. | Newfoundland and Labrador (Newfoundland) west to Minnesota, south to Wisconsin, n. Virginia, w. North Carolina, n. Georgia, e. Tennessee, Ohio, and Wisconsin. This is the most montane and northern element of the C. crinita complex, and the usual one encountered in the Mountains of our area. |  (c) Ward, Scott G |
| Cyperaceae | Carex haydenii | Hayden’s Sedge | Wet meadows, wet prairies, minerotrophic fens. | Newfoundland and Labrador (Newfoundland) and Québec west to South Dakota, south to s. Pennsylvania, Maryland (C. Frye, pers. comm., 2000), Illinois, and Iowa. |  (c) Marcum, Paul |
| Cyperaceae | Carex mitchelliana | Mitchell's Sedge | Swampy woodlands and forests, seeps. | Se. Massachusetts, c. New York, nw. Pennsylvania, and ne. Ohio south south to e. Georgia, Panhandle Florida, s. Alabama, and c. Mississippi. This species has a scattered distribution throughout its range, and is apparently rare. |  (c) Ward, Scott G |
| Cyperaceae | Carex nebrascensis | Nebraska Sedge | Wet meadows, swamps, moist areas. | Native of w. North America. |  (c) House, Nina - CC-BY |
| Cyperaceae | Carex stricta | Tussock Sedge, Upright Sedge | Bogs, sedge-grass meadows, seeps, swamps, depression ponds, old beaver ponds. | Québec and Nova Scotia west to Manitoba, south to Georgia, Alabama, Mississippi, and Texas. |  (c) Fleming, Gary P. |
| Cyperaceae | Carex torta | Streambed Sedge, Twisted Sedge | Rocky streambeds, often dominant in patches in the beds of mountain streams, along their banks, and on rocky or cobbly islands. | Nova Scotia west to Ontario, south to sc. North Carolina, South Carolina (Gaddy 1981), nc. Georgia (Jones & Coile 1988), Alabama, nw. Mississippi, w. Arkansas, and e. Oklahoma. |  (c) Ward, Scott G |