potamogeton trichoides, hottonia palustris, sparganium erectum, potamogeton pusillus, equisetum fluviatile, elodea nuttallii, glyceria fluitans, glyceria maxima, hydrocharis morsus-ranae, oenanthe aquatica, phragmites australis, potamogeton natans, spirodela polyrhiza, alisma plantago-aquatica, ranunculus repens