Virgulus falcatus subsp. commutatus (Torrey & A. Gray) Schaak & Windham nom. inval.

Virgulus falcatus subsp. commutatus (Torrey & A. Gray) Schaak & Windham nom. inval. 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.