Deschampsia cespitosa var. longiflora Beal nom. illeg.
Deschampsia cespitosa var. longiflora Beal nom. illeg. is a synonym sensu FNA Ed. Comm., 2007 of:
Deschampsia cespitosa (Linnaeus) Palisot de Beauvois subsp. cespitosa, an accepted subspecies name sensu FNA Ed. Comm., 2007.