echinochloa crus-galli, phalaris arundinacea, inula britannica, agrostis stolonifera, alisma plantago-aquatica, althaea officinalis, bidens tripartita, butomus umbellatus, lipandra polysperma, lysimachia vulgaris, mentha arvensis, oenanthe aquatica, persicaria hydropiper, persicaria minor, rorippa palustris, rumex stenophyllus, sonchus arvensis, stachys palustris, xanthium strumarium