Ecological-geographical analysis of Rosaceae Juss. family of Khakassia flora

The Rosaceae family of the Khakassia region flora includes 102 species and 26 genera. The data of the ecological and geographical analysis show the heterogeneity of the family that has developed with the noticeable influence of the altitudinal zonality. Half of the family species are mountain species (Arcto-Alpine, Alpine, Montana, light conifer-forest, dark conifer-forest and nemoral groups), almost half of them are forest ones (27 species). Species of the light conifer-forest group dominate (17 species). A certain contribution is made by the steppe, forest-steppe, plurizonal, Montana groups. The Arcto-Alpine and Alpine groups constitute together 12 species, anthropochory group consists of 4 species.