flowers of european water plantain, alisma plantago aquatica

flowers water alisma plant plantago aquatica nature outdoor blooming mad dog weed herb european plantain common flower grass phreatophyte river deposit paludal watered hydrophytic swampymeadow aquatic vegetation marsh erosion summer swamp tree natural wild flora botanical plants plantagoaquatica macro closeup close alismataceae botany wetlands policy botanist botanic fluvial abrasion swampyforest moor bank birch