agrostis stolonifera, poa trivialis, glyceria fluitans, persicaria hydropiper, glyceria maxima, holcus lanatus, alopecurus geniculatus, argentina anserina, bidens cernuus, bolboschoenus maritimus, elymus repens, juncus articulatus, lolium perenne, persicaria amphibia, phalaris arundinacea, phleum pratense, ranunculus repens, stellaria media, trifolium repens, cerastium holosteoides, ranunculus sceleratus