echinochloa crus-galli, inula britannica, phalaris arundinacea, alisma plantago-aquatica, bidens tripartita, butomus umbellatus, galium palustre, lipandra polysperma, lythrum virgatum, oenanthe aquatica, persicaria amphibia, persicaria hydropiper, persicaria minor, rorippa palustris, sonchus arvensis, stachys palustris, xanthium strumarium