Reference

Anatoliy A. Khapugin, Margarita M. Gafurova, Guzyaliya F. Suleymanova, Gennadiy A. Bogdanov, Tatyana F. Chap, Natalya A. Zenkova, T. P. Belkovskaya (2020): The role of Russian federal protected areas in conservation of plant species included in the Red Data Book of Russian Federation (Volga Federal District) – Wulfenia – 27: 114 - 126.