| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Polemoniaceae | Phlox nivalis ssp. hentzii | Trailing Phlox | Rock outcrops, thin soils of rocky woodlands, roadbanks. | Sc. VA west to n. AL, south to c. peninsular FL and s. AL. |  |
| Polemoniaceae | Phlox nivalis ssp. nivalis | Pineland Phlox | Longleaf pine sandhills, other dry woodlands, roadbanks. | Nc. NC south to Panhandle FL. |  |
| Polemoniaceae | Phlox nivalis ssp. texensis | Pineywoods Phlox | Dry sandy longleaf pine woodlands. | Endemic to e. TX. |  |