Atlas of North European vascular plants
Hultén & Fries 1986
1849 Ligularia sibirica (L.) Cass.
This species occurs mainly in E. Europe and W. and C. Asia. The population does not seem to be quite uniform (cf. Fl. Eur. 4/1976, p. 205). In C. and E. Asia there are closely related taxa, whose distribution area is tentatively presented on the map.