| Canada | | | Sánchez-Ken, J. G. | 2018 [2019] | Riqueza de especies, clasificación y listado de las gramíneas (Poaceae) de México Species richness, classification and a checklist of the grasses (Poaceae) of Mexico | Acta Bot. Mex. | 126: 1–115 |
| Canada | British Columbia | | Yen, C., J. L. Yang & B. R. Baum | 2009 | Synopsis of Leymus Hochst. (Triticeae: Poaceae) | J. Syst. Evol. | 47(1): 67–86 |
| Mexico | | | Espejo Serna, M. A., A. R. López-Ferrari & J. Valdés-Reyna | 2000 | Poaceae | Monocot. Mexic. Sinopsis Floríst. | 10: 7–236 [and index] |
| Mexico | | | Soreng, R. J. | 2003 | Leymus. In Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae | Contr. U.S. Natl. Herb. | 48: 422–425 |
| Mexico | | | 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: |
| Mexico | Baja California | | Espejo Serna, M. A., A. R. López-Ferrari & J. Valdés-Reyna | 2000 | Poaceae | Monocot. Mexic. Sinopsis Floríst. | 10: 7–236 [and index] |
| Mexico | Baja California | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico. Catálogo de las plantas vasculares nativas de México. | Revista Mex. Biodivers. | 87(3): 559–902 |
| Mexico | Baja California | | Sánchez-Ken, J. G. | 2018 [2019] | Riqueza de especies, clasificación y listado de las gramíneas (Poaceae) de México Species richness, classification and a checklist of the grasses (Poaceae) of Mexico | Acta Bot. Mex. | 126: 1–115 |
| Mexico | Coahuila | | Sánchez-Ken, J. G. | 2018 [2019] | Riqueza de especies, clasificación y listado de las gramíneas (Poaceae) de México Species richness, classification and a checklist of the grasses (Poaceae) of Mexico | Acta Bot. Mex. | 126: 1–115 |
| Mexico | Coahuila | | Valdés-Reyna, J., J. L. Villaseñor Ríos, J. A. Encina-Domínguez & E. Ortiz | 2015 | The grass family (Poaceae) in Coahuila, Mexico: Diversity and distribution | Bot. Sci. | 93(1): 119–129 |
| Mexico | Coahuila | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico. Catálogo de las plantas vasculares nativas de México. | Revista Mex. Biodivers. | 87(3): 559–902 |
| Mexico | Coahuila | | Espejo Serna, M. A., A. R. López-Ferrari & J. Valdés-Reyna | 2000 | Poaceae | Monocot. Mexic. Sinopsis Floríst. | 10: 7–236 [and index] |
| Mexico | Durango | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico. Catálogo de las plantas vasculares nativas de México. | Revista Mex. Biodivers. | 87(3): 559–902 |
| United States | | | Sánchez-Ken, J. G. | 2018 [2019] | Riqueza de especies, clasificación y listado de las gramíneas (Poaceae) de México Species richness, classification and a checklist of the grasses (Poaceae) of Mexico | Acta Bot. Mex. | 126: 1–115 |
| United States | | | Soreng, R. J. | 2003 | Leymus. In Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae | Contr. U.S. Natl. Herb. | 48: 422–425 |
| United States | | | 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: |
| United States | California | Monterey | Yen, C., J. L. Yang & B. R. Baum | 2009 | Synopsis of Leymus Hochst. (Triticeae: Poaceae) | J. Syst. Evol. | 47(1): 67–86 |