| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Achatocarpaceae | Achatocarpaceae | Snake-eyes Family | |||
| Achatocarpaceae | Phaulothamnus | Snake-eyes | |||
| Achatocarpaceae | Phaulothamnus spinescens | Snake-eyes, Devilqueen, Ojo de Vibora, Putia | Clayey soils in scrub. | S. TX south to Mexico (BCN, BCS, CHI, COA,NAY, NLE, PUE, SIN, SON, TAM). |  |