Abstract
This article provides a taxonomic analysis of the Dongyztau flora. It is represented by314 species from 170 genera and 40 families. The materials were obtained based on field studies, theliterature data were taken into account. The analysis of the family-species spectrum testifies that 5leading families make up 60.9 % (186 species). The leading families in the area areAmaranthaceae,Asteraceae, Brassicaceae, Poaceae, Fabaceae.The key position is taken byAmaranthaceaefamily,represented by 67 species which is 21.6 % of the flora species. The second position is taken byAsteraceae, which includes 40 species (12.8 %). The predominance of these families in the flora ofthe region characterizes it as continental one. The analysis of the structure of the leading familiesshowed that the spectrum of flora refers to the Turanian, Mediterranean and boreal types.