rorippa amphibia, myosotis scorpioides, potamogeton lucens, stuckenia pectinata, ceratophyllum demersum, hippuris vulgaris, myriophyllum spicatum, nuphar lutea, persicaria amphibia, potamogeton perfoliatus, ranunculus circinatus, ranunculus trichophyllus, sparganium emersum, spirodela polyrhiza