To study steppe vegetation of the national park "Sengileevsky mountains" (Ulyanovsk region)

158 species of vascular plants have been registered in In 30 descriptions of petrophytic steppes and petrophytic unclosed groupings of the National Park «Sengileyevsky Mountains» (Ulyanovsk region, Sengiley district), of which 4 species are included in the Red Book of the Russian Federation ( Hedysarum grandiflorum , Koeleria sclerophylla , Stipa pennata , Stipa pulcherrima ) and 23 species of the Red Book of the Ulyanovsk region. The vegetation of the described communities is dominated by the formation Thymus dubjanskyi , and in the tract «Shilovskaya forest-steppe» Bromopsis riparia are noticeably involved, in the tract «Shilovskaya Strelka» - Bassia prostrata formations, and in the tract «Tushninskie uvaly» - Festuca valesiaca .