Euro+Med: NorwaynativeA; Russia (N European RussianativeB); SvalbardnativeA; SwedennativeA
Bibliography
A.Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press
B.Tolmatchew, A. I. 1971: Flora arctica URSS 6. – Moskva & Leningrad