Calamagrostis canadensis var. langsdorffii (Link) Inman
September 20,
Kamchatka Peninsula, Russian Far East
September 20,
Kamchatka Peninsula, Russian Far East Langsdorff's bluejoint
FNA: Glumes usually scabrous over the entire surface, prickles on keels hairlike, often bent; glume apices distinctly acuminate.