hydrocharis morsus-ranae, sparganium erectum, callitriche obtusangula, lemna minor, callitriche platycarpa, elodea nuttallii, equisetum fluviatile, groenlandia densa, lemna trisulca, spirodela polyrhiza, ceratophyllum demersum, eleocharis palustris, glyceria fluitans, glyceria maxima, persicaria amphibia, sagittaria sagittifolia, alisma plantago-aquatica