Luneva, N. and Fedorova, Y. 2018. Distribution of Rumex longifolius and R. acetosa (Polygonaceae) on the territory of Russia. Plant Protection News (Vestnik Zashchity Rasteniy). 2 (Apr. 2018), 57-61. DOI:https://doi.org/10.31993/2308-6459-2018-2(96)-57-61.