| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex backii | Back's Sedge | Rocky woodlands and forests, cliff bases. | Québec west to British Columbia, south to New Jersey, Pennsylvania, Iowa, and Colorado. Historic in our area (New Jersey, Pennsylvania). Occurring further north in a few scattered areas of central New York, but otherwise no longer considered extant in our flora region. |  (c) Ward, Scott G |
| Cyperaceae | Carex basiantha | Southern Willdenow's Sedge, Widow Sedge | Mesic forests, wet flats, and lower slopes, over calcareous rocks or sediments. | Se. North Carolina south to n. peninsular Florida, Panhandle Florida, west to e. Texas, and north to nw. Georgia, c. Tennessee, and c. Arkansas. |  (c) Ward, Scott G |
| Cyperaceae | Carex jamesii | James's Sedge | Nutrient-rich bottomlands, levee forests, and mesic slopes over calcareous or mafic rocks. | Maryland and New York west to Michigan, Minnesota, and e. Nebraska, south to c. South Carolina, Georgia, and Louisiana. |  (c) Ward, Scott G |
| Cyperaceae | Carex juniperorum | Juniper Sedge | On edges of calcareous glades and barrens, in subxeric to submesic calcareous woodlands. | Known from a scattered and disjunct distribution: s. Ontario (alvars), s. Ohio and ne. Kentucky (calcareous glades and barrens), and Montgomery Co., Virginia (Belden et al. 2004) and Botetourt Co., Virginia (Townsend, pers. comm., 2008) (calcareous glades and barrens). |  © Scott Ward |
| Cyperaceae | Carex latebracteata | Waterfall's Sedge | Dry-mesic to mesic forests over calcareous or subcalcareous substrate. | Endemic to the Ouachita Mountains of Arkansas and Oklahoma. |  (c) Witsell, Theo - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex superata | Limestone Forest Sedge | Mesic calcareous forests and woodlands. | Sc. North Carolina, nc. South Carolina, sw. Virginia, sc. Kentucky, and ne. Mississippi, south to Panhandle Florida and s. Alabama. Reported for sw. Virginia (as C. willdenowii var. megarrhyncha) by Wieboldt et al. (1998). |  (c) Bradley, Keith |
| Cyperaceae | Carex timida | Timid Sedge | Calcareous, dry to mesic woodlands and forests. | Scattered and disjunct, from Ohio, Indiana, s. Illinois, and s. Missouri to Kentucky, Tennessee, n. Alabama, and Arkansas. |  (c) Marcum, Paul |
| Cyperaceae | Carex willdenowii | Willdenow’s Sedge | Calcareous mesic forests, but also in more acidic dry-mesic upland oak forests. | Massachusetts, Vermont, New York, s. Ontario, and c. Indiana, south to nc. South Carolina, n. Alabama, and s. Illinois; disjunct in c. Arkansas. |  (c) Marcum, Paul |