agrostis stolonifera, poa trivialis, alopecurus geniculatus, glyceria maxima, myosotis scorpioides, ranunculus repens, ranunculus sceleratus, argentina anserina, berula erecta, dactylis glomerata, glyceria fluitans, oenanthe fistulosa, persicaria amphibia, persicaria hydropiper, phalaris arundinacea, poa annua, rorippa amphibia, stellaria media, nymphoides peltata, trifolium repens