echinochloa crus-galli, persicaria hydropiper, oenanthe aquatica, xanthium strumarium, achillea salicifolia, alisma plantago-aquatica, bidens tripartita, inula britannica, lythrum salicaria, persicaria amphibia, persicaria minor, phalaris arundinacea, plantago major, rorippa palustris, rumex stenophyllus, stachys palustris