Synonyms
Elymus riparius (Scribn. & J.G.Sm.) Gould
Elymus rydbergii Gould
Agropyron dasystachyum var. riparium (Scribn. & J.G.Sm.) Bowden
Elymus lanceolatus var. riparius (Scribn. & J.G.Sm.) Dorn
Agropyron riparium Scribn. & J.G.Sm.
Agropyron smithii var. riparium (Scribn. & J.G.Sm.) M.E.Jones
Zeia riparia (Scribn. & J.G.Sm.) Lunell
Elytrigia riparia (Scribn. & J.G.Sm.) Beetle