alopecurus geniculatus, glyceria maxima, holcus lanatus, poa trivialis, ranunculus repens, catabrosa aquatica, ranunculus flammula, glyceria fluitans, ranunculus sceleratus, stellaria alsine, agrostis stolonifera, cardamine pratensis, poa annua, rorippa amphibia, stellaria media, trifolium repens, juncus articulatus, persicaria hydropiper, polygonum aviculare, rumex hydrolapathum