echinochloa crus-galli, bolboschoenus maritimus, phalaris arundinacea, alisma plantago-aquatica, althaea officinalis, bidens tripartita, butomus umbellatus, eleocharis acicularis, inula britannica, jacobaea vulgaris, lysimachia vulgaris, lythrum virgatum, oenanthe aquatica, persicaria amphibia, persicaria hydropiper, persicaria minor, rorippa palustris, rubia tatarica, rumex stenophyllus, schoenoplectiella supina, thalictrum flavum, typha angustifolia, xanthium strumarium