lemna gibba, rorippa amphibia, spirodela polyrhiza, glyceria fluitans, helosciadium nodiflorum, agrostis stolonifera, juncus articulatus, bidens cernuus, catabrosa aquatica, bolboschoenus maritimus, myosotis scorpioides, persicaria hydropiper, ranunculus repens, ranunculus sceleratus, veronica beccabunga, rorippa palustris