text: lemna minor, glyceria maxima, myosotis scorpioides, myriophyllum verticillatum, phalaris arundinacea, poa palustris, rumex hydrolapathum, bidens cernuus, butomus umbellatus, epilobium ciliatum, lysimachia vulgaris, lythrum salicaria, mentha aquatica, sparganium erectum, berula erecta, cirsium oleraceum, persicaria minor