| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Euphorbiaceae | Cnidoscolus stimulosus | Spurge-nettle, Tread-softly, Finger-rot, Bull-nettle | Longleaf pine sandhills, dry sandy woodlands, other dry sandy soils. | Se. VA south to s. FL, west to e. LA, mostly on the Coastal Plain, but farther inland southward. |  |
| Euphorbiaceae | Cnidoscolus texanus | Texas Bull-nettle, Mala Mujer | Longleaf pine sandhills, sandy open areas, other dry woodlands. | AR and OK south to sw. LA, TX, and ne. Mexico (NLE, TAM). |  |