sagittaria sagittifolia, lemna minor, sparganium emersum, ceratophyllum demersum, potamogeton natans, potamogeton pusillus, utricularia vulgaris, alisma plantago-aquatica, bidens cernuus, callitriche cophocarpa, eleocharis acicularis, eleocharis palustris, glyceria fluitans, spirodela polyrhiza