Aster versicolor Willd., Sp. Pl. 3: 2045. 1803 Aster versicolor Willd., Sp. Pl. 3: 2045. 1803is basionym for Symphyotrichum versicolor (Willd.) G. L. Nesom in Phytologia 77: 295. 1995Taxon for this nameAster versicolor Willd., Sp. Pl. 3: 2045. 1803