Euro+Med: ArmenianativeA; Ukraine, with CrimeanativeB,C
Bibliography
A.Takhtajan, A. L. 1987: Flora of Armenia 8. – Erevan: Izdatel'stvo AN ASSR
B.Fedorov, A. A. 1981: Flora partis europaeae URSS 5. – Leningrad
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