poa trivialis, agrostis stolonifera, glyceria fluitans, glyceria maxima, alopecurus geniculatus, ranunculus repens, argentina anserina, cardamine pratensis, eleocharis palustris, oenanthe fistulosa, persicaria hydropiper, poa annua, ranunculus sceleratus, rorippa palustris, trifolium repens, alisma plantago-aquatica, ranunculus acris