| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex alata | Broad-winged Sedge | Bottomland forests, beaver ponds, oligohaline tidal marshes, other freshwater marshes, depression ponds. | New Hampshire, Michigan, and Missouri south to c. peninsular Florida and Texas. |  (c) Marcum, Paul |
| Cyperaceae | Carex albolutescens | Greenish-white Sedge | Low fields, bottomlands. | Massachusetts, New York, Wisconsin, and Missouri, south to Panhandle Florida and Texas. |  (c) Wang, Zihao - CC-BY |
| Cyperaceae | Carex argyrantha | Silvery-flowered Sedge, Hay Sedge | Grassy balds, mountain meadows, dry-mesic to dry forests, woodlands, clearings, and outcrops. | New Brunswick west to Ontario, south to w. North Carolina, e. Tennessee (Unicoi County), and Ohio. |  (c) Fleming, Gary P. |
| Cyperaceae | Carex bebbii | Bebb’s Sedge | Calcareous and mafic wetlands, wet prairies. | Newfoundland and Labrador (Newfoundland), Newfoundland and Labrador (Labrador) and Alaska south to New Jersey, nw. Virginia (Big Meadows, Virginia; Idaho uncertain; Weakley, Ludwig, & Townsend 2012), Ohio, Indiana, Illinois, Nebraska, Colorado, and Oregon. |  (c) Danielson, Erik |
| Cyperaceae | Carex bicknellii | Bicknell’s Sedge | Dry prairies, eastwards (SC) in prairie-like openings and barrens over gabbro or serpentine. | Maine west to Saskatchewan, south to Delaware, Ohio, Missouri, Oklahoma, and New Mexico; disjunct in nc. South Carolina (where first reported by Hill & Horn 1997). |  (c) Marcum, Paul |
| Cyperaceae | Carex brevior | Shortbeak Sedge | Prairies, dry forests, and woodland margins. | Maine west to British Columbia, south to n. Georgia, c. Tennessee, Mississippi, Texas, Tamaulipas, Arizona, and Michoacán. |  (c) Marcum, Paul |
| Cyperaceae | Carex crawfordii | Crawford's Sedge | Swamps and marshes, open dryish sandy areas; southwards in disturbed areas such as railroad yards (in MO). | Newfoundland and Labrador west to Alaska, south to n. New Jersey, ne. Pennsylvania, Michigan, n. Illinois, Iowa, Colorado, Idaho, and Oregon. |  (c) Hohn, Charlie - CC-BY |
| Cyperaceae | Carex cristatella | Crested Sedge | Grassy balds, fens, wet meadows, river shores, especially in calcareous or nutrient-rich alluvial soils. | Vermont west to Saskatchewan, south to w. North Carolina, Kentucky, Missouri, and Kansas. See Fox, Godfrey, & Blomquist (1952) for the first report from North Carolina. Rejected from the Tennessee flora (Tennessee Flora Committee 2015), but accepted by Tennessee Natural Heritage Program. |  (c) Ward, Scott G |
| Cyperaceae | Carex cumulata | Dry to wet acid barrens and glades. | Newfoundland and Labrador west to Saskatchewan, south to New Jersey, Pennsylvania, Indiana, and Illinois. |  (c) Marcum, Paul | |
| Cyperaceae | Carex echinodes | Bottomland forests. | Québec west to Manitoba, south to Connecticut, s. Ohio, s. Indiana, Illinois, Missouri, and e. Nebraska. |  (c) Wiegersma, Quinten - CC-BY | |
| Cyperaceae | Carex festucacea | Fescue Sedge | Bottomland forests, depression ponds and swamps, wet meadows. | Vermont west to Minnesota, south to Georgia, Panhandle Florida, Alabama, Mississippi, Louisiana, and Texas. |  (c) Bradley, Keith |
| Cyperaceae | Carex foenea | Hay Sedge | Dry woodlands. | Newfoundland and Labrador (Labrador) and Newfoundland and Labrador (Newfoundland) west to Yukon Territory, south to Connecticut, New York, s. New Jersey, Pennsylvania, Michigan, and Idaho. |  (c) Wiegersma, Quinten - CC-BY |
| Cyperaceae | Carex hormathodes | Marsh Straw Sedge | Freshwater and slightly brackish tidal marshes, interdune ponds. | Newfoundland and Labrador (Newfoundland) south to ne. North Carolina, along the coast. |  (c) Wang, Zihao - CC-BY |
| Cyperaceae | Carex hyalina | Bottomland forests. | Tennessee, Arkansas, and Oklahoma, south to Mississippi, Louisiana, and Texas. |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG | |
| Cyperaceae | Carex leporina | Egg-bracted Sedge | Grassy balds, disturbed areas. | Native of Eurasia, and the west coast of North America. Known to range in North America from Newfoundland and Labrador (Newfoundland) and New York south to w. North Carolina and ne. Tennessee. |  (c) Butler, Joe Potter - CC-BY |
| Cyperaceae | Carex longii | Long's Sedge | Bogs, low fields, bottomlands, oak flatwoods. | Nova Scotia west to Wisconsin, south to s. Florida and Texas; Mexico to Central America and n. South America. |  (c) Bradley, Keith |
| Cyperaceae | Carex missouriensis | Missouri Sedge | Prairie swales. | Wc. Indiana, Illinois west through s. Iowa and Missouri to se. Nebraska and e. Kansas |  (c) Sorrells, Ryan - CC-BY |
| Cyperaceae | Carex molesta | Troublesome Sedge | Dry to moist calcareous soils in calcareous glades and open woodlands. | New Hampshire west to North Dakota, south to Virginia, Alabama, Mississippi, and Oklahoma. |  (c) Marcum, Paul |
| Cyperaceae | Carex molestiformis | Frightful Sedge | Bottomland forests, wet meadows, ditches, ravines, especially over calcareous substrates. | W. Virginia, West Virginia, s. Ohio, c. Kentucky, and c. Missouri south to nw. North Carolina, n. Georgia, c. Tennessee, n. Mississippi, sw. Arkansas, and se. Oklahoma (likely to be more widespread and more common in some areas, after further study). |  (c) Fleming, Gary P. |
| Cyperaceae | Carex muskingumensis | Muskingum Sedge | Floodplain forests. | Ontario and Minnesota south to Kentucky, Tennessee, e. Arkansas, and Oklahoma. Sometimes planted east and southward but not appearing to depart from cultivation. |  (c) Oldham, Michael J. - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex normalis | Greater Straw Sedge | Mesic to wet forests, moist prairies, marshes, seeps. | Maine, Québec, and Ontario south to Georgia and Arkansas. |  (c) Marcum, Paul - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex opaca | Opaque Sedge | Prairies, eastwards in disturbed areas, such as introduced at old railroad livestock yard and well-established. | Illinois, Missouri, and Kansas south to Mississippi, Arkansas, and Oklahoma. |  © Nathan Aaron |
| Cyperaceae | Carex ozarkana | Ozark Sedge | Seeps, streambanks, depressions in prairies. | Arkansas and e. Oklahoma south to n. Louisiana and e. Texas. | |
| Cyperaceae | Carex projecta | Necklace Sedge | Moist forests, fens. | Newfoundland and Labrador (Newfoundland), Newfoundland and Labrador (Labrador), and Saskatchewan south to Indiana, Illinois, Iowa and eastward to Tennessee, South Carolina and Georgia. |  (c) Danielson, Erik |
| Cyperaceae | Carex reniformis | Kidney Sedge | Floodplain forests (including blackwater), marshes, ditches, other wet areas. | Virginia, Illinois, and Oklahoma south to Florida Panhandle and Texas. |  (c) Marcum, Paul |
| Cyperaceae | Carex sangamonensis | Midwestern Blunt Broom Sedge, Sangamon Sedge | Bottomland forests, marshes. | Ohio, Illinois, and Kansas, south to South Carolina, Alabama, Louisiana, and Texas. Disjunct in c. Mexico (Veracruz). |  (c) Keesling, Jim - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex scoparia | Broom Sedge | Bogs, swamp forests, marshes, seepy ledges, ditches. In a variety of marshes and broad wetland types northward and often one of the most commonly encountered of section Ovales (seemingly replaced by the widely occurring C. longii southward into the southeastern coastal plain). | Newfoundland and Labrador (Newfoundland) west to British Columbia, south to Georgia (?) and California. Specimens towards the southern range of this species require herbarium confirmation. |  (c) Marcum, Paul - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex shinnersii | Shinners's Sedge | Ephemeral wetlands. | Kansas south through w. Arkansas and Oklahoma to ne. Texas. |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex silicea | Seabeach Sedge | Interdune swales, beaches, maritime woodlands. | Newfoundland and Labrador (Newfoundland) south to Virginia, along the coast. |  (c) Wang, Zihao - CC-BY |
| Cyperaceae | Carex straminea | Straw Sedge | Pools in river scours, fresh tidal and nontidal marshes, other wetlands, wet oak savannas. | Massachusetts west to Wisconsin, south to North Carolina, Kentucky, and Missouri. |  (c) Curtis, Rob - CC-BY-NC-SA, permission granted to NCBG |
| Cyperaceae | Carex suberecta | Prairie Straw Sedge | Fens, calcareous wetlands, marshes, wet prairies. | Ontario and Minnesota south to sw. Virginia, West Virginia, Ohio, Indiana, Illinois, Arkansas, and Texas. |  (c) Marcum, Paul |
| Cyperaceae | Carex tenera | Slender Sedge, Quill Sedge | Low forests, upland forests over hardpans, mesic prairies, wet ditches. | Nova Scotia west to British Columbia, south to Maryland, West Virginia, s. Ohio, s. Indiana, s. Illinois, South Dakota, n. New Mexico, Idaho, and Washington. Confusion in reporting of past records has obscured the distribution. |  (c) Marcum, Paul |
| Cyperaceae | Carex tetrastachya | Four-angle Sedge | Wet prairies, marshes, and swamps over calcareous substrates, disturbed areas. | Sc. Kansas and Oklahoma south to Louisiana and s. Texas. | |
| Cyperaceae | Carex tribuloides | Blunt Broom Sedge | Bottomland forests. | New Brunswick west to Minnesota and Nebraska, south to c. peninsular Florida, Georgia, Tennessee, Missouri, and Kansas. |  (c) Fleming, Gary P. |
| Cyperaceae | Carex vexans | Florida Hammock Sedge, Vexed Sedge | Marshes, ditches, swamps, hydric hammocks. | E. Panhandle Florida south to s. Florida. |  (c) Bradley, Keith |