text: phragmites australis, lemna trisulca, alisma plantago-aquatica, bolboschoenus maritimus, calystegia sepium, carex hirta, helminthotheca echioides, hydrocharis morsus-ranae, lycopus europaeus, persicaria amphibia, poa trivialis, potentilla reptans, schoenoplectus lacustris, spirodela polyrhiza, typha latifolia