text: echinochloa crus-galli, alisma plantago-aquatica, cyperus fuscus, juncus articulatus, bidens tripartita, lythrum salicaria, persicaria hydropiper, sparganium erectum, glyceria fluitans, juncus effusus, lycopus europaeus, lysimachia nummularia, mentha aquatica, veronica beccabunga