glyceria fluitans, elodea nuttallii, potamogeton pusillus, spirodela polyrhiza, alisma plantago-aquatica, glyceria maxima, juncus articulatus, oenanthe aquatica, persicaria amphibia, persicaria hydropiper, potamogeton natans, ranunculus flammula, sagittaria sagittifolia, stuckenia pectinata, alisma lanceolatum