| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | s.-c. | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Chihuahua | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Coahuila de Zaragoza | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Nuevo León | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | s.? | Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | s.w. | Smith, E. B. 1978. An atlas and annotated list of the vascular plants of Arkansas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | | Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | s.? | Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | s. | Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) |
| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guanajuato | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Hidalgo | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Nayarit | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Southern America | Caribbean | Cuba | | | |
| 1 | Native | Southern America | Central America | Guatemala | | | |