Luneva, N., and Y. Fedorova. “Distribution of Rumex Longifolius and R. Acetosa (Polygonaceae) on the Territory of Russia”. Plant Protection News (Vestnik Zashchity Rasteniy), no. 2, Apr. 2018, pp. 57-61, DOI:10.31993/2308-6459-2018-2(96)-57-61.