Agropyron trachycaulum (Link) Malte ex H.F. Lewis
Agropyron trachycaulum (Link) Malte ex H.F. Lewis is a synonym sensu FNA Ed. Comm., 2007 of:
Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus, an accepted subspecies name sensu FNA Ed. Comm., 2007.