glyceria maxima, holcus lanatus, persicaria hydropiper, agrostis stolonifera, alisma plantago-aquatica, bidens cernuus, bolboschoenus maritimus, eleocharis palustris, elymus repens, phalaris arundinacea, poa annua, ranunculus sceleratus, stellaria alsine, stellaria media, bidens tripartita, persicaria amphibia, persicaria maculosa, ranunculus acris, ranunculus repens, rorippa palustris