equisetum fluviatile, carex acuta, potamogeton trichoides, callitriche platycarpa, groenlandia densa, lemna minor, potamogeton pusillus, sparganium erectum, alisma plantago-aquatica, glyceria maxima, hydrocharis morsus-ranae, lemna trisulca, spirodela polyrhiza, persicaria amphibia, elodea nuttallii, sagittaria sagittifolia