Atlas of North European vascular plants
Hultén & Fries 1986
858 Ranunculus gmelinii DC.
Within this widespread species s. lat. three subspecies can be distinguished, viz. subsp. gmelinii in Eurasia and N. America, subsp. radicans (C. A. Mey.) Hult. in C. and E. Asiatic mountain areas and subsp. purshii (Richards.) Hult. in N. America. They are mapped separately. The species s. lat. belongs to the circumpolar plants with a gap in NW. Europe (Hultén, Circumpol. Il, p. 343 f. and map 84).