agrostis stolonifera, glyceria fluitans, poa trivialis, alopecurus geniculatus, glyceria maxima, persicaria hydropiper, stellaria media, phalaris arundinacea, elymus repens, oenanthe fistulosa, ranunculus repens, ranunculus sceleratus, stellaria alsine, trifolium repens, bidens cernuus, butomus umbellatus, callitriche platycarpa, cardamine pratensis, polygonum aviculare