echinochloa crus-galli, phalaris arundinacea, rorippa palustris, achillea salicifolia, agrostis stolonifera, alisma plantago-aquatica, bidens tripartita, butomus umbellatus, cirsium arvense, lysimachia vulgaris, oenanthe aquatica, persicaria hydropiper, plantago major, rumex stenophyllus, stachys palustris, thalictrum flavum, xanthium strumarium