EPHEMERA AND EPHEMEROIDS OF DONGUZ STEPPE
The article presents the results of a systematic analysis of ephemera and ephemeroids of Donguz steppe. Their practical value and their comparison by the start of flowering periods have been denoted. The necessity to protect the above steppe area as the source of valuable ornamental, fodder, nectarous rare and other species of plants has been substantiated. It is recommended to use the ornamental species of ephemera for planting trees and gardens in the cities and towns of the steppe Orenburg area as plants more adapted to dry conditions of the habitat.