Hygrophile tall herb strips of fertile alluvial stream banks, often dominated by Filipendula ulmaria, and tall herb stands (F. ulmaria, Angelica sylvestris) colonizing humid hay meadows and pastures after more or less long discontinuation of mowing or grazing; characteristic species are Filipendula ulmaria, Achillea ptarmica, Angelica sylvestris, Cirsium palustre, Deschampsia cespitosa, Epilobium hirsutum, Geranium palustre, Veronica longifolia, Scutellaria hastifolia, Eupatorium cannabinum, Lysimachia vulgaris, Lythrum salicaria, Phalaris arundinacea, Polygonum bistorta, Valeriana officinalis.