text: phragmites australis, lemna minor, riccia fluitans, solanum dulcamara, spirodela polyrhiza, alisma plantago-aquatica, bidens tripartita, cardamine amara, glyceria fluitans, persicaria hydropiper, ficaria verna, impatiens noli-tangere, juncus conglomeratus, persicaria lapathifolia, potamogeton crispus, veronica beccabunga