lemna trisulca, butomus umbellatus, phragmites australis, potamogeton pusillus, ceratophyllum demersum, lemna gibba, spirodela polyrhiza, agrostis stolonifera, equisetum fluviatile, glyceria maxima, myosotis scorpioides, persicaria amphibia, ranunculus circinatus, ranunculus sceleratus, rumex hydrolapathum, sagittaria sagittifolia, sium latifolium