This paper considers taxonomic, eco-coenotic, and geographic diversity of the forest flora of the Central Ciscaucasia comprising 735 species of vascular plants belonging to 101 family and 353 genera. The taxonomic structure of the first ten families of forest flora is similar to Ciscaucasian flora. The forests have a European-sub-Mediterranean-Eurasian range of geographic elements with boreal and Caucasian addition. Overall, the development of forest flora of this region and of the East

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... Plain showed the tendency toward the incubation of the European complex into sub-Mediterranean and boreal types with their gradual displacement.