| Mexico | | | Beetle, A. A. | 1977 | Noteworthy grasses from Mexico V | Phytologia | 37(4): 317–407 |
| Mexico | Chihuahua | | 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 | Oaxaca | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| Mexico | Sonora | | Beetle, A. A. | 1977 | Noteworthy grasses from Mexico V | Phytologia | 37(4): 317–407 |
| Mexico | Sonora | | 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 | Tamaulipas | | 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 | | | Pavlick, L. E., A. M. Planchuelo, P. M. Peterson & R. J. Soreng | 2003 | Bromus. | Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae, Contr. U.S. Natl. Herb. | 48: 154–191 |
| 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 | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Beetle, A. A. | 1977 | Noteworthy grasses from Mexico V | Phytologia | 37(4): 317–407 |
| United States | | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | Arizona | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | California | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | California | | Munz, P. A. & D. D. Keck | 1959 | (none) | Cal. Fl. | 1–1681 |
| United States | California | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Colorado | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Colorado | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | Idaho | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Montana | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | Montana | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Nevada | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | New Mexico | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | New Mexico | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | Oregon | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Texas | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | Texas | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Utah | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Washington | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |
| United States | Wyoming | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
| United States | Wyoming | | Pavlick, L. E. | 1995 | (none) | Bromus N. Amer. | 1–160 |