Aster sibiricus var. pygmaeus (Lindley) W.J. Cody

Aster sibiricus var. pygmaeus (Lindley) W.J. Cody is a synonym sensu FNA Ed. Comm., 2006b of:

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