Comparative analysis and ways of security measures of rare endangered trees and shrubs of the north-east territories of the greater caucasus

In the scientific article, carried out monitoring of flora biodiversity in the north-eastern territory of the Greater Caucasus, analyzed the vital forms of species of studied tree bushes and were used APG III-IV taxonomic classification systems. Studied rare and endangered species is grouped into threat categories adopted in İUCN (2001) 3.1 version.