poa trivialis, agrostis stolonifera, glyceria fluitans, alopecurus geniculatus, holcus lanatus, lolium perenne, argentina anserina, bidens cernuus, cardamine pratensis, eleocharis palustris, juncus articulatus, oenanthe fistulosa, plantago major, ranunculus repens, ranunculus sceleratus, rorippa palustris, trifolium repens