Flora of park “Sosnovka” (St. Petersburg)

In the article the history of forming and modern conditions of forest park “Sosnovka” deposited at northern part of St. Petersburg is considered. «Sosnovka» is unique part of St. Petersburg as it is a big plot with forest saved into city. The park «Sosnovka» ;characterized by a combination of sites with preserved here natural vegetation and exposed to strong anthropogenic influence. In the floristic Check-list 614 species of vascular plants of 310 genera, 100 families and 5 divisions are included. Of them 3 species are included in the Red data books of St. Petersburg and Leningrad Province (Juncus squarrosus, Dactylorhiza baltica, Lycopodiella inundata). The floristic analysis of flora “Sosnovka” is given. The strong human influence on the flora of this park is shown.