Elymus trachycaulus (Link) Gould ex Shinners in Rhodora 56(662): 28. 1954 sec. Dávila & al. 2018
- ≡Triticum trachycaulum Link, Hort. Berol. 2: 189. 1833 syn. sec. Dávila & al. 2006
- =Agropyron trachycaulon (Link) hort. ex Steud., Syn. Pl. Glumac. 1: 344. 1854 syn. sec. Dávila & al. 2006
- =Crithopyrum trachycaulum hort. ex Steud., Syn. Pl. Glumac. 1: 344. 1854 syn. sec. Dávila & al. 2006
- =Triticum repens var. tenerum Vasey in Rep. U.S. Geogr. Surv., Wheeler 6: 293. 1878 syn. sec. Dávila & al. 2006
- =Agropyron violaceum var. majus Vasey in Contr. U.S. Natl. Herb. 1(8): 280. 1893 syn. sec. The Plant List 2013
- =Agropyron repens var. tenerum (Vasey) Beal, Grass. N. Amer. 2: 637. 1896 syn. sec. Dávila & al. 2006
- =Agropyron novae-angliae Scribn. in Contr. Bot. Vermont 8: 9, 103. 1900 syn. sec. The Plant List 2013
- =Agropyron caninum f. fernaldii Pease & A.H. Moore in Rhodora 12: 73. 1910 syn. sec. Dávila & al. 2006
- =Agropyron caninum f. pilosifolium Pease & A.H. Moore in Rhodora 12: 75. 1910 syn. sec. Dávila & al. 2006
- =Agropyron caninum var. tenerum (Vasey) Pease & A.H. Moore in Rhodora 12: 71. 1910 syn. sec. Dávila & al. 2006
- =Zeia tenera (Vasey) Lunell in Amer. Midl. Naturalist 4: 227. 1915 syn. sec. Dávila & al. 2006
- =Agropyron tenerum var. novae-angliae (Scribn.) Farw. in Rep. (Annual) Michigan Acad. Sci. 21: 355. 1920 syn. sec. The Plant List 2013
- =Agropyron trachycaulum (Link) Malte ex H.F. Lewis in Canad. Field-Naturalist 45: 201. 1931 syn. sec. Dávila & al. 2006
- =Agropyron trachycaulum var. fernaldii (Pease & A.H. Moore) Malte in Bull. Natl. Mus. Canada 68: 46. 1932 syn. sec. Dávila & al. 2006
- =Agropyron trachycaulum var. glaucescens Malte in Bull. Natl. Mus. Canada 68: 45. 1932 syn. sec. Dávila & al. 2006
- =Agropyron trachycaulum var. novae-angliae (Scribn.) Fernald in Rhodora 35: 174. 1933 syn. sec. The Plant List 2013
- =Roegneria trachycaulon (Link) Nevski, Fl. URSS 2: 599. 1934 syn. sec. Dávila & al. 2006
- =Elymus trachycaulus (Link) Hoover in Leafl. W. Bot. 10(16): 340. 1966 syn. sec. Dávila & al. 2006
- =Agropyron caninum var. mitchellii S.L. Welsh, Fl. Alaska: 546. 1974 syn. sec. Dávila & al. 2006