sparganium erectum, hydrocharis morsus-ranae, glyceria maxima, hottonia palustris, elodea nuttallii, lemna minor, lemna trisulca, equisetum fluviatile, oenanthe fistulosa, phalaris arundinacea, callitriche platycarpa, persicaria amphibia, sagittaria sagittifolia, alisma plantago-aquatica