Elymus glaucus Buckley in Proc. Acad. Nat. Sci. Philadelphia 14: 99-100. 1862 sec. Dávila & al. 2018
- =Elymus nitidus Vasey in Bull. Torrey Bot. Club 13(7): 120. 1886 syn. sec. Dávila & al. 2006
- =Elymus americanus Vasey & Scribn. ex Cassidy in Bull. Colorado State Univ. Exp. Sta. 12: 57. 1890 syn. sec. Dávila & al. 2006
- =Elymus angustifolius Burtt Davy, Fl. W. Calif.: 80. 1901 syn. sec. Dávila & al. 2006
- =Elymus angustifolius var. caespitosus Burtt Davy, Fl. W. Calif.: 81. 1901 syn. sec. Dávila & al. 2006
- =Elymus glaucus var. breviaristatus Burtt Davy, Fl. W. Calif.: 79. 1901 syn. sec. Dávila & al. 2006
- =Elymus glaucus var. maximus Burtt Davy, Fl. W. Calif.: 79. 1901 syn. sec. Dávila & al. 2006
- =Elymus hispidulus Burtt Davy, Fl. W. Calif.: 79. 1901 syn. sec. Dávila & al. 2006
- =Elymus marginalisi Rydb. in Bull. Torrey Bot. Club 36: 539. 1909 syn. sec. Dávila & al. 2006
- =Elymus petersonii Rydb. in Bull. Torrey Bot. Club 36: 540. 1909 syn. sec. Dávila & al. 2006
- =Terrellia glauca (Buckley) Lunell in Amer. Midl. Naturalist 4: 228. 1915 syn. sec. Dávila & al. 2006
- =Elymus mackenzii Bush in Amer. Midl. Naturalist 10: 53. 1926 syn. sec. The Plant List 2013
- =Clinelymus glaucus (Buckley) Nevski in Izv. Bot. Sada Akad. Nauk SSSR 30: 648. 1932 syn. sec. Dávila & al. 2006
- =Clinelymus glaucus subsp. californicus Nevski in Izv. Bot. Sada Akad. Nauk SSSR 30: 649. 1932 syn. sec. Dávila & al. 2006
- =Clinelymus glaucus subsp. coloratus Nevski in Izv. Bot. Sada Akad. Nauk SSSR 30: 648. 1932 syn. sec. Dávila & al. 2006