Elymus riparius (Scribner & J.G. Smith) Gould nom. illeg.

Elymus riparius (Scribner & J.G. Smith) Gould nom. illeg. is a synonym sensu TROPICOS of:

Elymus lanceolatus (Scribner & J.G. Smith) Gould subsp. lanceolatus, an accepted subspecies name sensu FNA Ed. Comm., 2007.