Флористическое исследование памятника природы "Залесенный овраг у д. Власьево" в Московской области

The natural monument «Forested ravine near Vlas'evo village» was organized in the urban district of Lukhovitsy, Moscow Region in 1987, it included estate plantings of the 19th - early 20th centuries, which have natural and historical significance and need to be studied. In 2017-2022, in the course of comprehensive field research, route landscape and geobotanical observations were carried out and about 600 herbarium sheets were collected, which were identified and transferred to the Herbarium fund A.K. Skvortsov MBG RAS (MHA). The general list includes 323 vascular plant species, of which 51 taxa belong to alien flora, including 14 invasive species. A record of homestead plantings was carried out and for the first time a scheme was drawn up for the placement of old plantings of coniferous species. On the territory of the natural monument, 2 rare species from the «Red Book of the Moscow Region» ( Scrophularia umbrosa Dumort., Rosa villosa L.) and 13 rare and vulnerable taxa that need in constant monitoring in the Moscow region (among them, 5 were noted in protected areas for the first time - Juniperus communis L., Glyceria nemoralis (Uechtr.) Uechtr. et Koern., Salvia pratensis L., Carlina biebersteinii Bernh. ex Hornem. and Viola odorata L.). In addition, 52 new species were identified in the protected areas for the Lukhovitsy urban district, including 11 native and 33 alien species, most of which (21 taxa) were found in homestead plantings.