agrostis stolonifera, poa trivialis, glyceria fluitans, eleocharis palustris, holcus lanatus, lolium perenne, phalaris arundinacea, ranunculus repens, alopecurus geniculatus, bidens cernuus, bolboschoenus maritimus, cirsium arvense, persicaria hydropiper, polygonum aviculare, ranunculus sceleratus, argentina anserina