1771 Erigeron acer subsp. politus (Fr.) H. Lindh.

This arctic-montane subspecies belongs to the circumpolar plants (Hultén, Circumpol. Il, p. 288 and map 280). Further, the closely related E. podolicus Bess. (syn.: E. acer subsp. macrophyllus [Herb.] Guterm.; cf. Fl. Eur. 4/1976, p. 118) in E.C. and E. Europe and W. Asia and E. acer subsp. kamtschaticus (DC.) Hara in C. and E. Asia are tentatively mapped.