| 2 | Cultivated | Southern America | | South America | | | de Wet, J. M. J. et al. 1981. Systematics of South American Tripsacum (Gramineae). Amer. J. Bot. 68:270. |
| 2 | Cultivated | Southern America | Central America | Central America | | | de Wet, J. M. J. et al. 1981. Systematics of South American Tripsacum (Gramineae). Amer. J. Bot. 68:270. |
| 4 | Naturalized | Northern America | | Mexico | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Belize | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Costa Rica | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | El Salvador | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Guatemala | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Honduras | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Nicaragua | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Central America | Panama | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Northern South America | French Guiana | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Northern South America | Guyana | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Northern South America | Suriname | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Northern South America | Venezuela | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Western South America | Bolivia | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Western South America | Colombia | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Western South America | Ecuador | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 4 | Naturalized | Southern America | Western South America | Peru | | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:624. |
| 6 | Other | | | | | probable origin Mesoamerica | de Wet, J. M. J. et al. 1981. Systematics of South American Tripsacum (Gramineae). Amer. J. Bot. 68:270. |