glyceria fluitans, agrostis stolonifera, elodea nuttallii, nymphoides peltata, alopecurus geniculatus, lemna trisulca, oenanthe aquatica, spirodela polyrhiza, equisetum fluviatile, glyceria maxima, alisma plantago-aquatica, ranunculus flammula, ranunculus sceleratus, berula erecta, butomus umbellatus