agrostis stolonifera, glyceria fluitans, ranunculus repens, oenanthe fistulosa, berula erecta, bidens cernuus, oenanthe aquatica, spirodela polyrhiza, trifolium repens, alopecurus geniculatus, persicaria hydropiper, ranunculus sceleratus, rorippa sylvestris, sparganium erectum, butomus umbellatus