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