| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | Davidse, G. et al., eds. 1994. Flora mesoamericana. |
| 1 | Native | Southern America | Brazil | Brazil | Paraná | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: lists as Erianthus trinii |
| 1 | Native | Southern America | Brazil | Brazil | Rio Grande do Sul | | Machado Caporal, F. J. & L. Eggers. 2005. Poaceae na área do centro de pesquisas e conservação da natureza pró-mata. São Francisco de Paula, Rio Grande do Sul, Brasil. Iheringia, Bot. 60:141-150. |
| 1 | Native | Southern America | Brazil | Brazil | Santa Catarina | type locality | Reitz, R., ed. 1965-. Flora ilustrada catarinense. |
| 1 | Native | 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. 46:556. |
| 1 | Native | Southern America | Central America | Honduras | | | Davidse, G. et al., eds. 1994. Flora mesoamericana. |
| 1 | Native | Southern America | Northern South America | Guyana | | | Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas. |
| 1 | Native | Southern America | Northern South America | Suriname | | | Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas. |
| 1 | Native | 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. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Buenos Aires | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Chaco | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Corrientes | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Entre Ríos | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Formosa | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Misiones | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Argentina | Santa Fe | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Paraguay | Caaguazú | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Paraguay | Guairá | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: lists as Erianthus trinii |
| 1 | Native | Southern America | Southern South America | Uruguay | Rivera | | Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:556. |
| 1 | Native | Southern America | Southern South America | Uruguay | San José | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: lists as Erianthus trinii |
| 1 | Native | 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. 46:556. |
| 1 | Native | 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. 46:556. |