bidens cernuus, alopecurus aequalis, lycopus europaeus, alopecurus geniculatus, glyceria fluitans, poa trivialis, argentina anserina, epilobium palustre, myosotis scorpioides, plantago uliginosa, potamogeton natans, carex pseudocyperus, galium elongatum, phalaris arundinacea, stellaria aquatica, ranunculus sceleratus