agrostis stolonifera, poa trivialis, glyceria fluitans, lolium perenne, phleum pratense, ranunculus repens, trifolium repens, urtica dioica, cirsium arvense, lycopus europaeus, persicaria maculosa, ranunculus acris, rumex conglomeratus, carduus crispus, persicaria hydropiper, persicaria lapathifolia, stellaria aquatica