Euro+Med: BelarusnativeA; EstonianativeB; LatvianativeB; LithuanianativeB; Russia (C European RussianativeA, NW European RussianativeA); Ukraine, with CrimeanativeA,C
Bibliography
A.Fedorov, A. A. 1981: Flora partis europaeae URSS 5. – Leningrad
B.Laasimer, L., Kuusk, V., Tabaka, L. & Lekavičius, A. (ed.) 1996: Flora of the Baltic countries 2. – Tartu: Estonian Academy of Sciences
C.Mosyakin, S. L. & Fedoronchuk, M. M. 1999: Vascular plants of Ukraine. A nomenclatural checklist. – Kiev: M. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine