New records of rare species of vascular plants included in the Red Data Book of the Komi Republic

The work deals with the researches focused on the study and conservation of biodiversity. The basic issues of biodiversity inventory, the development of a network of specially protected nature territories and conducting the regional Red Data Book are touched upon. The work is related to floristic studies in the Sharyu river basin (Usinsk District, Komi Republic) and contains new data on rare and protected species of vascular plants included in the Red Data Book of the Komi Republic. The new locations of three ferns and 10 flowering plant species from 10 families and 12 genera are presented for the first time. A detailed description of their habitats is given. In connection with the discovery of a unique ecosystem with a high level of biological diversity and an interesting combination of natural landscapes in the investigated territory, the problem of creation of a new complex reserve is discussed.