SYSTEMATIC STRUCTURE OF FLORA OF MEADOWS OF THE ROMENSKO-POLTAVSKY GEOBOTANICAL DISTRICT

The systematic structure of the meadows flora Romensko-Poltavsky geobotanical district was analyzed in this article. As a result study, species composition flora, which includes 601 belonging to 306 genera, 66 families, 41 orders, 3 classes, 2 divisions, were revealed. Magnoliophyta is dominant division, as it 598 (98,5%) species, 305 (99,7%) and 65 families. Among leading families terms types researched there are Asteraceae (113 18,8%), Poaceae (67 11,1%), Fabaceae (45 7,5%), Lamiaceae (36 6%), Caryophyllaceae (29 4,8%), Scrophulariaceae (26 4,3%), Brassicaceae (25 4,2%), Cyperaceae (24 4%), Rosaceae (23 3,8%), Ranunculaceae (22 3,7%), add up together 310 68,2% total number species. first three contain 225 make 37,4% genera (51 16,6%), (38 12,4%), (19 6,2%), (17 5,5%), Apiaceae (16 5,2%), (13 (10 3,2%), (9 2,9%), 206 66,9% genera. have 108 35,2% number. include Carex L. Ranunculus L., Trifolium Veronica each, Festuca Galium (8 2,6%), Artemisia Centaurea Cirsium Mill., Inula Juncus Plantago Poa Vicia (7 2,3%), out constitute 37,5% detected By saturation, only polymorphic one, but 281 (91,9%) belong poor monotypic 428 71,2% has similar results with floras Left Bank Forest Steppe, vascular plants Dnieper fodder lands Steppe Ukraine by spectra