| Elymus hispidulus Burtt Davy, 1901 |
| Elymus hispidus (Opiz) Melderis, 1978 |
| Elymus hispidus subsp. barbulatus (Schur) Melderis, 1978 |
| Elymus hispidus subsp. hispidus (Opiz) Melderis, 1978 |
| Elymus hispidus var. ruthenicus (Griseb.) Dorn, 1988 |
| Elymus hystrix (Nutt.) M.E. Jones, 1912 |
| Elymus insularis (J.G. Sm.) M.E. Jones, 1912 |
| Elymus interruptus Buckley, 1862 |
| Elymus jubatus (L.) Link, 1827 |
| Elymus laevis (Scribn. & J.G. Sm.) Hoover, 1966 |
| Elymus longifolius (J.G. Sm.) Gould, 1974 |
| Elymus mackenzii Bush, 1926 |
| Elymus marginalisi Rydb., 1909 |
| Elymus minor (J.G. Sm.) M.E. Jones, 1912 |
| Elymus multisetus (J.G. Sm.) Burtt Davy, 1902 |
| Elymus neograeus Steud., 1854 |
| Elymus nitidus Vasey, 1886 |
| Elymus occidentalis Scribn., 1898 |
| Elymus orcuttianus Vasey, 1885 |
| Elymus pauciflorus (Schwein.) Gould, 1947 |