poa trivialis, glyceria maxima, agrostis stolonifera, equisetum fluviatile, alopecurus geniculatus, glyceria fluitans, holcus lanatus, cardamine pratensis, carex hirta, cerastium holosteoides, drepanocladus aduncus, elymus repens, equisetum palustre, juncus articulatus, juncus bufonius, persicaria hydropiper, phalaris arundinacea, phragmites australis, poa annua, ranunculus repens, ranunculus sceleratus, stellaria media, trifolium repens, berula erecta, butomus umbellatus, cirsium arvense