Aster sibiricus subsp. richardsonii (Sprengel) Á. Löve & D. Löve

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

Eurybia sibirica (Linnaeus) G.L. Nesom, an accepted species name sensu FNA Ed. Comm., 2006b.