| 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. | NY, NJ, MN, and SD, south to VA, sc. TN, n. AL, and AR. |  |
| Cyperaceae | Carex crus-corvi | Crowfoot Sedge, Ravenfoot Sedge | Swamp forests, especially over calcareous substrates. | Se. VA south to Panhandle FL, west to TX, north in the interior to IN, s. ON, MI, and MN. |  |
| Cyperaceae | Carex laevivaginata | Smooth-sheathed Sedge | Marshes, swamp forests, alluvial forests. | MA, MI, and MN, south to Panhandle FL, AL, and MO. |  |
| Cyperaceae | Carex oklahomensis | Oklahoma Sedge | Seepages, disturbed wetlands, roadside ditches, eastwards probably adventive. | Se. MO west to KS, south to AR, and ne. TX; disjunct (and apparently adventive) in various scattered sites east of the Mississippi River, as in AL, MS, GA, w. NC (Graham County) and w. VA (Giles County). First reported for VA 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." |  |
| Cyperaceae | Carex stipata var. maxima | Large Stalk-grain Sedge | Marshes, ditches, sloughs, alluvial forests, cypress-gum forests. | NJ south to c. peninsular FL, west to TX, north in the interior to s. MO, s. IN, w. TN, and w. KY, primarily on the Coastal Plain. | |
| Cyperaceae | Carex stipata var. stipata | Stalk-grain Sedge, Awl-fruit Sedge | Marshes, ditches, alluvial forests. | NL (Newfoundland) west to AK, south to SC, TN, KS, and NM. |  |
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