lemna trisulca, spirodela polyrhiza, elodea nuttallii, glyceria fluitans, glyceria maxima, agrostis stolonifera, butomus umbellatus, equisetum fluviatile, myosotis scorpioides, persicaria hydropiper, rorippa amphibia, sagittaria sagittifolia, sparganium erectum, alopecurus geniculatus, hydrocharis morsus-ranae, ranunculus repens