| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Caryophyllaceae | Paronychia erecta var. corymbosa | Hairy Squareflower | Coastal dunes. | Panhandle Florida west to se. Louisiana. |  (c) McFarland, Will - CC-BY |
| Caryophyllaceae | Paronychia erecta var. erecta | Smooth Squareflower | Coastal dunes. | Panhandle Florida west to s. Mississippi. |  (c) Weakley, Alan |