| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fabaceae | Vicia ludoviciana var. 1 ('louisianica') | Louisiana Vetch | Deciduous forests and bottomlands, streamsides, prairies, glades, roadsides. | W. MS, AR, and se. OK south to s. LA. | |
| Fabaceae | Vicia ludoviciana var. laxiflora | Blackland Vetch | Prairies, woodlands, rock outcrops. | S. OK south to c,. TX, s. NM, and Mexico. | |
| Fabaceae | Vicia ludoviciana var. leavenworthii | Leavenworth's Vetch | Woodlands, prairies, dunes, disturbed areas. | MO and OK south to se. and s. TX. |  |
| Fabaceae | Vicia ludoviciana var. ludoviciana | Louisiana Vetch | Woodlands, prairies, dunes, disturbed areas. | GA, AL, and Panhandle FL west to AR and c. TX. |  |
| Fabaceae | Vicia ludoviciana var. occidentalis | Western Louisiana Vetch | Woodlands, grasslands, disturbed areas. | W. OK, CO, sw. UT, s. NV south to s. TX, NM, AZ, se. CA, and Mexico. | |
| Fabaceae | Vicia ludoviciana var. texana | South Texas Vetch | Prairies, fields, disturbed areas. | Se. and s. TX; adjacent Mexico. |
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