Euro+Med: LithuanianativeA; Ukraine, with CrimeanativeB
Bibliography
A.Laasimer, L., Kuusk, V., Tabaka, L. & Lekavičius, A. (ed.) 1996: Flora of the Baltic countries 2. – Tartu: Estonian Academy of Sciences
B.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