Roegneria borealis var. hyperarctica (Polunin) Melderis

Roegneria borealis var. hyperarctica (Polunin) Melderis is a synonym sensu FNA Ed. Comm., 2007 of:

Elymus alaskanus subsp. hyperarcticus (Polunin) Á. Löve & D. Löve, an accepted subspecies name sensu FNA Ed. Comm., 2007.