water meadows around lake ilmen

great spearwort chee reed grass calamagrostis epigeios ranunculus lingua tongue buttercup water meadows lake ilmen plants meadow delta northern river willow bushes flood area flooded spring rot wading birds snipe bottomland plain flow inundated overflow black cereals bed land freshshore cover greenness haugh hayfield heavy herb herbage high plant tidal flat vegetation weed wetmeadow coverage helium bachelorsbutton bachelors button golden cup yellowcup