Synonyms
Agropyron × saxicola (Scribn. & J.G.Sm.) Piper
Sitanion × insulare J.G.Sm.
× Agrositanion saxicola (Scribn. & J.G.Sm.) Bowden
Agropyron × flexuosum (Piper) Piper
Elymus × insularis (J.G.Sm.) M.E.Jones
× Pseudelymus saxicola (Scribn. & J.G.Sm.) Barkworth & D.R.Dewey
Sitanion × flexuosum Piper
Agropyron × sitanioides J.G.Sm. ex Piper
Agropyron × subvillosum Piper
Sitanion × lanceolatum J.G.Sm.