| 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. Kansas and s. Colorado south to n. Louisiana, Texas, New Mexico, and Mexico. |  (c) Hill, Sonnia |
| Fabaceae | Neltuma glandulosa var. prostrata | Running Mesquite | Deep sand deposits. | S. Texas and adjacent Mexico (Tamaulipas). | |
| Fabaceae | Neltuma laevigata | Smooth Mesquite | Scrub. | Tamaulipas, Nuevo León, and Durango southwards to s. MX; apparently adventive in s. Texas. |