Floristic diversity of floodplain meadows in the Vychegda and Pechora river basins (Komi Republic)

The species composition of meadow phytocoenoses of 25 local floras in the Vychegda and Pechora river basins has been studied. 552 vascular plant species are recorded, among them 462 native and 90 adventive species. From 40 to 62 % of the species are concentrated in parcial floras of the flood plain in different local floras. Geographical spectra of species оf meadow vegetation of classes Phragmito –Magnocaricetea and Molinio –Arrhenatheretea are analysis. In communities identified 35 rare species.