agrostis stolonifera, alopecurus geniculatus, poa trivialis, glyceria fluitans, persicaria hydropiper, glyceria maxima, lolium perenne, phalaris arundinacea, phleum pratense, ranunculus sceleratus, elymus repens, myosotis scorpioides, poa annua, stellaria media, argentina anserina, eleocharis palustris, galium palustre, matricaria discoidea, persicaria amphibia, polygonum aviculare, ranunculus repens, rorippa amphibia, rorippa palustris