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