poa trivialis, glyceria maxima, glyceria fluitans, alopecurus geniculatus, agrostis stolonifera, juncus articulatus, juncus bufonius, trifolium repens, butomus umbellatus, catabrosa aquatica, eleocharis palustris, elymus repens, myosotis scorpioides, persicaria hydropiper, poa annua, ranunculus repens, ranunculus sceleratus, triglochin palustris, helosciadium nodiflorum, nymphoides peltata, rumex conglomeratus