Calamagrostis langsdorffii var. lactea (Suksdorf ex Beal) Kearney

Calamagrostis langsdorffii var. lactea (Suksdorf ex Beal) Kearney is a synonym sensu FNA Ed. Comm., 2007 of:

Calamagrostis canadensis var. langsdorffii (Link) Inman, an accepted variety name sensu FNA Ed. Comm., 2007.