glyceria maxima, equisetum fluviatile, lemna minor, carex rostrata, lemna trisulca, carex acutiformis, ranunculus lingua, riccia fluitans, spirodela polyrhiza, cardamine pratensis, carex pseudocyperus, carex vesicaria, cicuta virosa, lysimachia vulgaris, nuphar lutea, ricciocarpos natans