| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fabaceae | Neltuma glandulosa var. glandulosa | Honey Mesquite | Westwards in prairies, pastures, roadsides, eastwards in disturbed areas. | S. KS and s. CO south to n. LA, TX, NM, and Mexico. |  |
| Fabaceae | Neltuma glandulosa var. prostrata | Running Mesquite | Deep sand deposits. | S. TX and adjacent Mexico (TAM). | |
| Fabaceae | Neltuma laevigata | Smooth Mesquite | Scrub. | TAM, NLE, and DUR southwards to s. MX; apparently adventive in s. TX. |