alopecurus geniculatus, glyceria maxima, ranunculus repens, ranunculus sceleratus, rorippa islandica, rumex maritimus, stellaria aquatica, agrostis gigantea, alisma plantago-aquatica, argentina anserina, bidens tripartita, glyceria fluitans, lycopus europaeus, poa annua, poa palustris, rumex crispus