Agrostis alba var. vulgaris (Withering) Cosson & Durieu nom. inval.
Agrostis alba var. vulgaris (Withering) Cosson & Durieu nom. inval. is a synonym sensu Soreng et al., 2000+ of:
Agrostis capillaris Linnaeus, an accepted species name sensu FNA Ed. Comm., 2007.