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