text: eleocharis ovata, lemna minor, oenanthe aquatica, alisma plantago-aquatica, lythrum portula, typha latifolia, bidens radiata, rumex maritimus, lycopus europaeus, alopecurus aequalis, bidens tripartita, gnaphalium uliginosum, persicaria hydropiper, persicaria lapathifolia, persicaria mitis, bidens frondosa