| Argentina | | | Tovar Serpa, Ó. | 1993 | Las Gramíneas (Poaceae) del Perú | Ruizia | 13: 1–480 |
| Argentina | | | Soreng, R. J. & C. W. Greene | 2003 | Calamagrostis. | Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae, Contr. U.S. Natl. Herb. | 48: 191–227 |
| Argentina | | | SPECIMEN BASED RECORD | | Published protolog data | | |
| Argentina | | | 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: |
| Bolivia | | | 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: |
| Bolivia | | | Soreng, R. J. & C. W. Greene | 2003 | Calamagrostis. | Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae, Contr. U.S. Natl. Herb. | 48: 191–227 |
| Peru | | | Tovar, Ó. | 1986 | Nuevos registros de gramíneas para el Perú | Revista Ci. U.N.M.S.M. | 74: 48–57 |
| Peru | | | Tovar Serpa, Ó. | 1993 | Las Gramíneas (Poaceae) del Perú | Ruizia | 13: 1–480 |
| Peru | | | Soreng, R. J. & C. W. Greene | 2003 | Calamagrostis. | Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae, Contr. U.S. Natl. Herb. | 48: 191–227 |
| Peru | | | 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: |
| Peru | Moquegua | | Tovar, Ó. | 1986 | Nuevos registros de gramíneas para el Perú | Revista Ci. U.N.M.S.M. | 74: 48–57 |