text: callitriche stagnalis, mentha aquatica, myosotis scorpioides, agrostis stolonifera, veronica anagallis-aquatica, bidens cernuus, equisetum palustre, glyceria maxima, helosciadium nodiflorum, lycopus europaeus, nasturtium officinale, persicaria hydropiper, lythrum salicaria, ranunculus sceleratus, sparganium erectum