| Bolivia | | | Sylvester, S. P., R. J. Soreng, P. M. Peterson & M. D. P. V. Sylvester | 2016 | An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa ramoniana, Poa tayacajaensis, and Poa urubambensis | PhytoKeys | 65: 57–90 |
| Brazil | | | Sylvester, S. P., R. J. Soreng, P. M. Peterson & M. D. P. V. Sylvester | 2016 | An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa ramoniana, Poa tayacajaensis, and Poa urubambensis | PhytoKeys | 65: 57–90 |
| Brazil | | | Longhi-Wagner, H. M., V. Bittich, M. das G. L. Wanderley & G. J. Shepherd | 2001 | Poaceae | Fl. Fanerog. Estado São Paulo | 1: 1–292 |
| Brazil | | | Soreng, R. J., L. M. Giussani & M. A. Negritto | 2003 | Poa. | Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae, Contr. U.S. Natl. Herb. | 48: 505–580 |
| Brazil | | | SPECIMEN BASED RECORD | | Published protolog data | | |
| Brazil | | | Soreng, R. J., G. Davidse, P. M. Peterson, F. O. Zuloaga, E. J. Judziewicz, T. S. Filgueiras & O. Morrone | 2003 and onwards | On-line taxonomic novelties and updates, distributional additions and corrections, and editorial changes since the four published volumes of the Catalogue of New World Grasses (Poaceae) published in Contr. U.S. Natl. Herb. vols. 39, 41, 46, and 48 | Internet Cat. New World Grasses | http://www.tropicos.org/Project/CNWG: |
| Brazil | | | Forzza, R. C. | 2010 | (none) | Lista de espécies Flora do Brasil | http://floradobrasil.jbrj.gov.br/2010 |
| Brazil | Rio de Janeiro | | Longhi-Wagner, H. M., V. Bittich, M. das G. L. Wanderley & G. J. Shepherd | 2001 | Poaceae | Fl. Fanerog. Estado São Paulo | 1: 1–292 |
| Brazil | Rio de Janeiro | | Longhi-Wagner, H. M. | 1987 | Gramineae. Tribo Poeae, in Fl. Ilust. Rio Grande do Sul | Bol. Inst. Bioci. Univ. Fed. Rio Grande do Sul | 41: 1–191 |
| Brazil | Rio Grande do Sul | | Longhi-Wagner, H. M., V. Bittich, M. das G. L. Wanderley & G. J. Shepherd | 2001 | Poaceae | Fl. Fanerog. Estado São Paulo | 1: 1–292 |
| Brazil | Rio Grande do Sul | | Longhi-Wagner, H. M. | 1987 | Gramineae. Tribo Poeae, in Fl. Ilust. Rio Grande do Sul | Bol. Inst. Bioci. Univ. Fed. Rio Grande do Sul | 41: 1–191 |
| Brazil | São Paulo | | Longhi-Wagner, H. M., V. Bittich, M. das G. L. Wanderley & G. J. Shepherd | 2001 | Poaceae | Fl. Fanerog. Estado São Paulo | 1: 1–292 |