echinochloa crus-galli, phalaris arundinacea, rorippa palustris, agrostis stolonifera, alisma plantago-aquatica, althaea officinalis, bidens tripartita, bolboschoenus maritimus, butomus umbellatus, inula britannica, lythrum virgatum, oenanthe aquatica, oxybasis rubra, persicaria minor, polygonum arenarium, rumex stenophyllus, stachys palustris, veronica anagallis-aquatica, xanthium strumarium