Aster sibiricus subsp. pygmaeus (Lindley) Á. Löve & D. Löve

Aster sibiricus subsp. pygmaeus (Lindley) Á. Löve & D. Löve is a synonym sensu FNA Ed. Comm., 2006b of:

Symphyotrichum pygmaeum (Lindley) Brouillet & S. Selliah, an accepted species name sensu FNA Ed. Comm., 2006b.