Arctagrostis latifolia var. angustifolia (Nash) Hultén

Arctagrostis latifolia var. angustifolia (Nash) Hultén is a synonym sensu Soreng et al., 2000+ of:

Arctagrostis latifolia subsp. arundinacea (Trinius) Tzelev, an accepted subspecies name sensu FNA Ed. Comm., 2007.