Symphyotrichum lanceolatum var. hesperium
Symphyotrichum lanceolatum var. hesperium (A. Gray) G.L. Nesom is a synonym (FNA Ed. Comm., 2006b) of:
Symphyotrichum lanceolatum subsp. hesperium (A. Gray) G.L. Nesom , an accepted subspecies name sensu FNA Ed. Comm., 2006b.