eleocharis palustris, alisma plantago-aquatica, alopecurus geniculatus, bidens tripartita, echinochloa crus-galli, marsilea quadrifolia, mentha aquatica, oenanthe aquatica, persicaria hydropiper, persicaria minor, poa palustris, ranunculus repens, rorippa amphibia, sagittaria sagittifolia