carex acuta, bidens frondosa, elatine hydropiper, lemna minor, lycopus europaeus, persicaria amphibia, ranunculus repens, scutellaria galericulata, spirodela polyrhiza, stuckenia pectinata, urtica dioica, echinochloa crus-galli, equisetum arvense, lathyrus pratensis, lysimachia vulgaris