| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Euphorbiaceae | Croton lindheimeri | Goatweed, Lindheimer’s Croton | Calcareous glades, edges of crop fields, other disturbed areas. | SC, IN, MO, e. KS, and south to c. peninsular FL, s. TX and Mexico (the adventive vs. native range somewhat unclear). |  |
| Euphorbiaceae | Croton lindheimerianus var. lindheimerianus | Lindheimer's Croton, Three-seeded Croton | Sandy loam hillsides, rocky clay hillsides; fields and other disturbed soils in the eastern part of our region, adventive from farther west. | AR, s. KS, NM, and AZ south through s. LA and TX to Mexico (COA, NLE, TAM). |  |
| Euphorbiaceae | Croton glandulosus var. lindheimeri | Dry, sandy areas. | KS south to TX, NM, and TAM. |  |