ХАРАКТЕРИСТИКА ЦЕНОПОПУЛЯЦИЙ НЕКОТОРЫХ ОХРАНЯЕМЫХ ВИДОВ РАСТЕНИЙ САРАТОВСКОЙ ОБЛАСТИ

The aim of the work is characteristic of cenopopulations some species, introduced in the second edition of the Saratov region Red Book. Research performed by standard techniques of geobotanical and cenopopulation studies. Cenopopulation of four rare plant species are studied. The majority of cenopopulations is characterized as large, normal, with a maximum on generative species. This information can be used in the third edition of regional Red books and in monitoring the status of populations of rare species of plants in the Saratov region