| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Triplasis purpurea | Non-standard. Added for North Carolina Botanical Garden planted species. | |||
| Poaceae | Triplasis purpurea var. purpurea | Purple Sandgrass | Dunes, maritime dry grasslands, open sandy areas. | NH south to s. FL, and west to TX and e. Mexico (TAB, VER), along the coast; also around the Great Lakes, and in central United States. |  |