| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Rubiaceae | Galium obtusum var. filifolium | Carolina Bedstraw | Marshes, swamps, creekbanks, alluvial forests. | S. NJ south to c. GA, primarily on the Coastal Plain. |  |
| Rubiaceae | Galium obtusum var. obtusum | Bluntleaf Bedstraw | Marshes, swamps. | NS west to SD, south to FL and TX. |  |