Aster giganteus Aster richardsonii Aster ammani Grindelia sibirica Aster richardsonii var. giganteus Aster sibiricus var. giganteus Aster sibiricus subsp. richardsonii Aster montanus Aster lacerus Aster montanus var. giganteus Eurybia sibirica var. gigantea Aster salsuginosus Aster ircutianus Aster biflorus Aster sachalinensis Aster espenbergensis
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024