butomus umbellatus, equisetum palustre, glyceria maxima, alisma plantago-aquatica, alopecurus geniculatus, bidens cernuus, callitriche palustris, leersia oryzoides, lemna minor, lythrum portula, myosotis laxa, veronica anagallis-aquatica, persicaria hydropiper, persicaria lapathifolia, persicaria minor, sagittaria sagittifolia, spirodela polyrhiza