Aster crenifolius var. arcuans (Fernald) Cronquist

Aster crenifolius var. arcuans (Fernald) Cronquist is a synonym sensu FNA Ed. Comm., 2006b of:

Symphyotrichum novi-belgii (Linnaeus) G.L. Nesom var. novi-belgii, an accepted variety name sensu FNA Ed. Comm., 2006b.