The article presents data on the study of the flora of forest Park «Lesnoi» of Engels in Saratov region. It describes the taxonomic structure of the flora. It shows the dominant in number of species families: Asteraceae, Rosaceae, Poaceae. It gives biomorphological characteristics to establish the dominance of annual or perennial herbaceous plants and trees. The characteristic of life forms according to the classification of K. Raunkier is given. It reveals the predominance of phytocenotic structure of flora ruderanty and pratanty.