title: Euonymus nanus (Celastraceae) in Europe and in the Caucasus Mountains: geographi-cal distribution, habitats and modern state of populations
abstract: The study of the current state of populations and habitats of rare and threatened species of plants is a relevant task of ecological research. The paper presents the results of investigation of the geographical distribution, habitats and modern state of populations of a rare species of the European and Caucasian floras Euonymus nanus M. Bieb. (Celastraceae), included in the Red Data Books of Ukraine, Moldova, the Russian Federation and the Red List of Romania. The structure of the European and C
journal: Biosystems Diversity