| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Euphorbiaceae | Croton glandulosus var. arenicola | Beaches, dunes, sandy disturbed areas. | Endemic to s. FL (Miami-Dade, Monroe, and Palm Beach counties). |  | |
| Euphorbiaceae | Croton glandulosus var. lindheimeri | Dry, sandy areas. | KS south to TX, NM, and TAM. |  | |
| Euphorbiaceae | Croton glandulosus var. pubentissimus | South Texas Croton | Coastal and near-coastal sand dunes. | Endemic of coastal TX, from se. TX (Brazoria County) to s. TX (Cameron and Hidalgo counties). |  |
| Euphorbiaceae | Croton glandulosus var. septentrionalis | Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton | Fields, roadsides, disturbed areas. | C. glandulosus is widespread in tropical and subtropical America; var. septentrionalis is the northernmost variety, distributed from PA west to MN, south to FL, TX, and ne. Mexico (its exact pre-Columbian range is speculative because of its weedy nature). See discussion by Atha, Hewitt, & Wang (2020) for discussion of northern records. |  |