lemna gibba, persicaria hydropiper, berula erecta, glyceria fluitans, catabrosa aquatica, agrostis stolonifera, alopecurus geniculatus, bidens tripartita, butomus umbellatus, glyceria maxima, nasturtium microphyllum, sparganium erectum, alisma lanceolatum, alisma plantago-aquatica, oenanthe aquatica, poa trivialis, ranunculus sceleratus