alopecurus geniculatus, alisma plantago-aquatica, bidens frondosa, rorippa sylvestris, agrostis stolonifera, lycopus europaeus, mentha aquatica, persicaria lapathifolia, poa annua, poa palustris, potentilla reptans, ranunculus sceleratus, rumex crispus, stellaria aquatica, tripleurospermum inodorum