echinochloa crus-galli, bolboschoenus maritimus, phalaris arundinacea, alisma gramineum, alisma plantago-aquatica, althaea officinalis, bidens tripartita, eleocharis acicularis, glyceria maxima, gratiola officinalis, lythrum virgatum, persicaria amphibia, persicaria hydropiper, persicaria minor, polygonum arenarium, rorippa palustris, xanthium strumarium