| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | 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 | 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 | Puebla | | 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 | Brazil | Brazil | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | Belize | | | Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85 |
| 1 | Native | Southern America | Central America | Costa Rica | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | El Salvador | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | Guatemala | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | Honduras | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Central America | Panama | | | Woodson, R. E. & R. W. Schery, eds. 1943-1980. Flora of Panama. Note: lists as "guyanensis" |
| 1 | Native | Southern America | Northern South America | French Guiana | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Northern South America | Guyana | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Northern South America | Suriname | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Northern South America | Venezuela | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Southern South America | Paraguay | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Western South America | Bolivia | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Western South America | Colombia | | | Calles, T. & R. Schultze-Kraft. 2010. Re-establishment of Stylosanthes gracilis (Leguminosae) at species level. Kew Bull. 65:233-240. |
| 1 | Native | Southern America | Western South America | Ecuador | Loja | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Peru | | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 |
| 4 | Naturalized | | | | | natzd. elsewhere in tropics | 't Mannetje, L. & R. M. Jones, eds. 1992. Forages. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 4:211. |