alisma lanceolatum, elatine alsinastrum, lythrum portula, juncus bulbosus, limosella aquatica, persicaria amphibia, bidens tripartita, cirsium arvense, elymus repens, mentha arvensis, plantago uliginosa, rorippa islandica, rumex crispus, tripleurospermum inodorum, typha latifolia