veronica beccabunga, veronica catenata, agrostis stolonifera, glyceria maxima, persicaria hydropiper, plantago major, poa trivialis, ranunculus sceleratus, alopecurus geniculatus, bidens cernuus, juncus articulatus, juncus bufonius, lolium perenne, nasturtium officinale, poa annua, rorippa amphibia, rorippa sylvestris, matricaria discoidea, polygonum aviculare