| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Tetrachondraceae | Polypremum | Polypremum |  | ||
| Tetrachondraceae | Polypremum procumbens | Polypremum, Rustweed, Juniperleaf | Dunes, longleaf pine sandhills, pine flatwoods, pond margins, fields, pastures, roadsides, riverside sand bars, disturbed areas. | Se. NY, NJ, and MO south to FL and TX, south into Mexico, Central America, and South America; West Indies. | |
| Tetrachondraceae | Tetrachondraceae | Tetrachondra Family | |