bidens frondosa, phalaris arundinacea, persicaria hydropiper, persicaria lapathifolia, poa palustris, argentina anserina, atriplex patula, atriplex sagittata, calystegia sepium, lycopus europaeus, stellaria aquatica, symphytum officinale, urtica dioica, alisma plantago-aquatica, lactuca serriola, rumex maritimus, tanacetum vulgare, tripleurospermum inodorum