agrostis stolonifera, glyceria fluitans, poa trivialis, holcus lanatus, alopecurus geniculatus, argentina anserina, berula erecta, elymus repens, glyceria maxima, juncus articulatus, persicaria hydropiper, phalaris arundinacea, ranunculus repens, rorippa amphibia, rorippa palustris, stellaria media, ranunculus sceleratus