title: Ruderal vegetation of Kryvyi Rih city. II. The class Stellarietea mediae
abstract: The article presents results of the study of ruderal vegetation of the class Stellarietea mediae in Kryvyi Rih. The research on syntaxonomy of the class in Ukraine is briefly reviewed. Plant communities of highly competitive annual species of the open temperate humid and dry ecotopes are characterized. The studied vegetation of the class S. mediae is represented by 13 associations, 7 alliances, and 3 orders (15% of the total number of associations of the class in Ukraine). The characteristics of
journal: Ukrainian Botanical Journal