Tolerance of vascular plants of the Southern volga upland environment of agrocenoses

Report the results of studying the flora of all the main types of agricultural lands in the southern Volga upland (in the Saratov region). Compares the received data with the flora of the region as a whole. Analyse the types of taxonomic and typological elements of the flora of this region is better or worse than presented in the territories occupied by agricultural lands.