Aster commutatus var. crassulus (Rydberg) S.F. Blake

Aster commutatus var. crassulus (Rydberg) S.F. Blake is a synonym sensu FNA Ed. Comm., 2006b of:

Symphyotrichum falcatum var. commutatum (Torrey & A. Gray) G.L. Nesom, an accepted variety name sensu FNA Ed. Comm., 2006b.