text: lemna minor, oenanthe fistulosa, sparganium erectum, lemna trisulca, phalaris arundinacea, glyceria fluitans, spirodela polyrhiza, carex riparia, glyceria maxima, hydrocharis morsus-ranae, hydrocotyle vulgaris, myosotis scorpioides, lysimachia thyrsiflora, sagittaria sagittifolia