The flora of the lake Peschanoe (Ulyanovsk region)

Flora of the lake Peschanoe (Ulyanovsk region) has 292 species of vascular plants belonging to 166 genera and 49 families. Of them 6 families contain only adventive species, 25 families – only indigenous species, 18 families – adventive and indigenous species. The proportion of flora is expressed as the ratio 1: 3,4 : 6,0. The average number of species in a genus of 1,8. The basis of the flora comprises angiosperms – 99,3% (bipartite – 74,1% and monocots – 25,2%), and vascular spore – 0,7%.