helosciadium nodiflorum, glyceria notata, mentha aquatica, nasturtium officinale, persicaria hydropiper, phalaris arundinacea, sparganium erectum, veronica beccabunga, alisma plantago-aquatica, bidens tripartita, epilobium parviflorum, lemna minor, myosotis scorpioides, persicaria lapathifolia, rumex conglomeratus, scrophularia auriculata, stellaria aquatica