| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Fuirena simplex var. aristulata | Western Umbrella-sedge | Moist open areas. | MO and NE south to w. KY, e. LA, and c. TX. |  |
| Cyperaceae | Fuirena simplex var. simplex | Creeping Western Umbrella-sedge | Calcareous seepage areas. | MO, KS, NM, and AZ south to TX, s. Mexico, and Central America. |  |