poa trivialis, glyceria maxima, stellaria alsine, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, persicaria hydropiper, phalaris arundinacea, trifolium repens, butomus umbellatus, cardamine pratensis, carex hirta, mentha aquatica, myosotis scorpioides, oenanthe fistulosa, ranunculus repens, ranunculus sceleratus, sium latifolium, sparganium erectum, equisetum fluviatile