Department of Systematics and Floristics of Vascular Plants, M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, Tereschenkivska Str. 2, Kyiv 01601, Ukraine
O.V. Fomin Botanical Garden, Educational-Scientific Centre “Institute of Biology”, National Taras Schevchenko University of Kyiv, S. Petlyury Str. 1, Kyiv 01032, Ukraine