text: typha angustifolia, cyperus longus, hydrocharis morsus-ranae, lemna gibba, lemna minor, lythrum virgatum, mentha pulegium, nymphoides peltata, potamogeton crispus, salvinia natans, schoenoplectus lacustris, spirodela polyrhiza, phragmites australis, sagittaria sagittifolia, sparganium erectum, typha latifolia