impatiens glandulifera, persicaria minor, persicaria mitis, phalaris arundinacea, bidens frondosa, cirsium oleraceum, daucus carota, elymus caninus, galium aparine, holcus lanatus, lapsana communis, lepidium campestre, lolium giganteum, poa palustris, poa trivialis, stellaria aquatica