agrostis stolonifera, poa trivialis, argentina anserina, glyceria fluitans, alopecurus geniculatus, glyceria maxima, cardamine pratensis, catabrosa aquatica, eleocharis palustris, elymus repens, helosciadium nodiflorum, juncus articulatus, lolium perenne, persicaria hydropiper, phalaris arundinacea, ranunculus repens, trifolium repens, rumex conglomeratus, veronica catenata