| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex aggregata | Glomerate Sedge | Mesic to submesic forests and woodlands, fields, roadsides, other disturbed areas, especially over calcareous substrates. | New York, Ontario, Minnesota, and South Dakota, south to nc. and nw. North Carolina, Tennessee, and Oklahoma. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex appalachica | Appalachian Sedge | Dry to mesic forests, rock outcrops. | Maine and Ontario south to w. South Carolina, n. Georgia, and e. Tennessee. First reported for South Carolina by Hill & Horn (1997) and Gaddy (2014). | ![]() (c) Powell, Eric M - CC-BY-NC, permission granted to NCBG |
| Cyperaceae | Carex arkansana | Arkansas Sedge | Bottomland forests, other wet forests and damp prairies, oak flatwoods, (in VA) in seasonally wet meadow in former railroad yard. | Native range from s. Illinois, n. Missouri, and e. Kansas south through Arkansas and Oklahoma to e. Texas. See Simmons, Strong, & Parrish (2008) for additional information on the Virginia occurrence. | ![]() (c) Marcum, Paul |
| Cyperaceae | Carex austrina | Southern Sedge | Dry calcareous prairies, meadows, and forests, also roadsides, apparently introduced eastwards with hay and/or seed mixes used for erosion control. | Native from Iowa and Nebraska south to Louisiana and Texas; more eastern occurrences are at least in part introduced. First reported for areas east of the Mississippi by Bryson et al. (1996). Reported for Delaware (Longbottom, Naczi, & Knapp 2016). | ![]() (c) Campos, Aidan |
| Cyperaceae | Carex cephaloidea | Heady Sedge | Forests over calcareous or other high pH substrates. | New Brunswick, Ontario, and Minnesota south to West Virginia (Vanderhorst et al. 2019), Ohio, Indiana, Illinois, and Iowa. | ![]() (c) Goldman, Douglas - CC-BY-SA |
| Cyperaceae | Carex cephalophora | Mesic to dry forests, especially oak-hickory forests. | Maine west to Minnesota, south to Panhandle Florida and Texas. | ![]() (c) Fleming, Gary P. | |
| Cyperaceae | Carex divulsa ssp. divulsa | Fields, pastures, disturbed areas. | Native of Europe and w. Asia. Reported for Washington, District of Columbia, and Maryland. Pennsylvania reports are misidentifications (S. Grund, pers.comm., 2024). | ![]() (c) Wang, Zihao - CC-BY | |
| Cyperaceae | Carex gravida | Pregnant Sedge, Heavy Sedge | Damp, mesic, or dry calcareous prairies, fields, pastures, roadsides. | Ontario west to Saskatchewan, south to Tennessee, Mississippi, Arkansas, Texas, and New Mexico, rarely introduced eastward. Steury (1999) reported var. lunelliana as new to Maryland (Calvert County). Reported for Delaware (Longbottom, Naczi, & Knapp 2016). | ![]() (c) Heller, Samantha - CC-BY |
| Cyperaceae | Carex leavenworthii | Leavenworth’s Sedge | Dry forests, especially in sandy soils. | New York, Ontario, and Nebraska south to Panhandle Florida and Texas. Reported for Delaware (Longbottom, Naczi, & Knapp 2016), and considered "likely non-native" there. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex mesochorea | Midland Sedge | Mesic to dry forests and woodlands, dry grassy areas. | Massachusetts, Ontario, and Nebraska south to Georgia, Alabama, and Texas. First reported for South Carolina by Hill & Horn (1997). | ![]() © Nathan Aaron |
| Cyperaceae | Carex muehlenbergii var. enervis | Muhlenberg’s Sedge | Dry and often acidic woodlands and meadows. | New Hampshire west to Minnesota and Nebraska, south to Georgia, Alabama, Mississippi, and Texas; Mexico. | ![]() (c) Campos, Aidan |
| Cyperaceae | Carex muehlenbergii var. muehlenbergii | Muehlenberg’s Sedge | Dry to dry-mesic hammocks and woodlands. | Maine, Ontario, and Minnesota south to Panhandle Florida and c. Texas. | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Cyperaceae | Carex muricata ssp. lamprocarpa | Fields, pastures, lawns, disturbed areas. | A European alien, with known occurrences south through New Jersey, e. Pennsylvania (Rhoads & Block 2007) Delaware and Maryland. | ||
| Cyperaceae | Carex perdentata | Sandstone Sedge | Thin soils over sandstone, granite, or limestone, juniper-hardwood woodlands. | Oklahoma south to c. Texas. | |
| Cyperaceae | Carex radiata | Eastern Star Sedge | Mesic to wet-mesic forests. | Nova Scotia west to Manitoba, south to South Carolina, Alabama, Louisiana, and Oklahoma. | ![]() (c) Marcum, Paul |
| Cyperaceae | Carex retroflexa | Reflexed Sedge | Dry to mesic forests, especially over base-rich substrates. | Maine, Michigan and Iowa, south to n. peninsular Florida and Texas. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex rosea | Rosy Sedge | Dry to dry-mesic hardwood forests, especially over basic substrates. | Nova Scotia west to Manitoba, south to Florida Panhandle and Texas; disjunct in New Mexico w. South Dakota, and ne. Wyoming. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex socialis | Low Woodland Sedge | Blackwater and brownwater swamp forests and bottomlands, forested seepage areas. | Se. and sc. North Carolina south to e. Georgia, west to e. Texas, and north in the interior to s. Indiana, s. Illinois, and se. Missouri. | ![]() (c) Bradley, Keith |
| Cyperaceae | Carex sparganioides | Bur-reed sedge | Dry to moist, usually nutrient-rich forests. | Maine, Ontario, Minnesota, and South Dakota south to Georgia, Arkansas, and Kansas. Records entangled with C. aggregata. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex spicata | Prickly Sedge | Fields, lawns, cracks in sidewalks. | Native of Europe and w. Asia. Reported as south to s. New Jersey, n. Delaware, c. Maryland. Virginia reports said to be erroneous in FNA, but correct records have been recorded since. Undoubtedly more common than records indicate. | ![]() (c) Marcum, Paul |
| Cyperaceae | Carex texensis | Texas Sedge | Lawns, pastures, roadsides, usually weedy, especially in rocky or sandy soils. | New York, Ohio, and Kansas south to Florida and Texas. | ![]() (c) Fleming, Gary P. |


















