| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Euphorbiaceae | Caperonia castaneifolia | Florida wet prairies, swamps, marshes, ditches, lakeshores. | Florida peninsula; West Indies; Mexico, Central America, and South America. |  (c) Horn, Jay | |
| Euphorbiaceae | Caperonia palustris | Sacatrapo, Texas-weed | Wet disturbed areas, a weed in rice fields. | Native of the Neotropics. |  (c) Bradley, Keith |