Аннотация:As a result of the inventory on the territory of the RLP "Kleban-Byk" 13 species ofStipa L. were determined. Most species of genus Stipa growing on the territory of the RLP "Kleban-Byk" hadregressive populations or tended to regression and low level of individual renewal. If special measures are not taken,Stipa in the RLP's phytocenoses will reduce considerably.Key words: Stipa, monitoring, reintroduction, econiches.