837 Clematis alpina (L.) Mill.

This Eurasiatic species includes at least three subspecies, viz. subsp. alpina (syn.: Atragene alpina L.) in the Alps, Carpathians etc., subsp. sibirica (L.) Ktze (syn.: Atragene sibirica L.) in N. and E. Europe and Asia (very rare in Fennoscandia) and subsp. ochotensis (Pall.) Ktze in E. Asia. The closely related, N. American C. columbiana (Nutt.) Torr. & Gr., C. pseudoalpina (Ktze) Nels. and C. verticillaris DC. (syn.: Atragene americana Sims.) are also mapped. Cf. also Meusel et al. 1965, map p. 163.