butomus umbellatus, alisma plantago-aquatica, alopecurus geniculatus, veronica anagallis-aquatica, alopecurus aequalis, bidens cernuus, bolboschoenus maritimus, callitriche palustris, equisetum palustre, juncus bufonius, leersia oryzoides, limosella aquatica, lythrum portula, ranunculus sceleratus