iris pseudacorus, alopecurus aequalis, glyceria fluitans, lemna minor, oenanthe aquatica, alisma plantago-aquatica, juncus effusus, myosotis scorpioides, phalaris arundinacea, ranunculus sceleratus, rorippa islandica, lemna trisulca, lysimachia vulgaris, scrophularia nodosa