| Name | Elymus angustifolius var. caespitosus Burtt Davy |
| Authorship | Burtt Davy |
| Rank | Variety |
| Placed in | Elymus angustifolius Burtt Davy |
| Name | Elymus angustifolius var. caespitosus Burtt Davy |
| Authorship | Burtt Davy |
| Rank | Variety |
| Placed in | Elymus angustifolius Burtt Davy |