| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Carex conjuncta | Soft Fox Sedge | Well-drained floodplain forests, mesic to dry-mesic upland forests over mafic or calcareous rocks. | New York, New Jersey, Minnesota, and South Dakota, south to Virginia, sc. Tennessee, n. Alabama, and Arkansas. | ![]() (c) Marcum, Paul |
| Cyperaceae | Carex crus-corvi | Crowfoot Sedge, Ravenfoot Sedge | Swamp forests, especially over calcareous substrates. | Se. Virginia south to Panhandle Florida, west to Texas, north in the interior to Indiana, s. Ontario, Michigan, and Minnesota. | ![]() (c) Bradley, Keith |
| Cyperaceae | Carex laevivaginata | Smooth-sheathed Sedge | Marshes, swamp forests, alluvial forests. | Massachusetts, Michigan, and Minnesota, south to Panhandle Florida, Alabama, and Missouri. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex oklahomensis | Oklahoma Sedge | Seepages, disturbed wetlands, roadside ditches, eastwards probably adventive. | Se. Missouri west to Kansas, south to Arkansas, and ne. Texas; disjunct (and apparently adventive) in various scattered sites east of the Mississippi River, as in Alabama, Mississippi, Georgia, w. North Carolina (Graham County) and w. Virginia (Giles County). First reported for Virginia by Wieboldt et al. (1998). See Bryson & Rothrock (2010) for further discussion; they consider that this species is "introduced during highway and reservoir construction or maintenance in contaminated hay, grass seeds or on construction, maintenance, and mowing equipment." | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex stipata var. maxima | Large Stalk-grain Sedge | Marshes, ditches, sloughs, alluvial forests, cypress-gum forests. | New Jersey south to c. peninsular Florida, west to Texas, north in the interior to s. Missouri, s. Indiana, w. Tennessee, and w. Kentucky, primarily on the Coastal Plain. | ![]() (c) Fleming, Gary P. |
| Cyperaceae | Carex stipata var. stipata | Stalk-grain Sedge, Awl-fruit Sedge | Marshes, ditches, alluvial forests. | Newfoundland and Labrador (Newfoundland) west to Alaska, south to South Carolina, Tennessee, Kansas, and New Mexico; e. Asia (Japan, China). | ![]() (c) Fleming, Gary P. |





