echinochloa crus-galli, persicaria amphibia, phalaris arundinacea, agrostis stolonifera, alisma plantago-aquatica, butomus umbellatus, eleocharis acicularis, inula britannica, lipandra polysperma, lysimachia vulgaris, lythrum virgatum, oenanthe aquatica, rorippa amphibia, rorippa palustris, rumex stenophyllus, xanthium strumarium