salix triandra, lycopus europaeus, bidens tripartita, persicaria lapathifolia, achillea collina, agrostis stolonifera, amaranthus blitum, amaranthus retroflexus, artemisia vulgaris, atriplex tatarica, cirsium arvense, echinochloa crus-galli, erigeron canadensis, gnaphalium uliginosum, inula britannica, oxybasis rubra, oxybasis urbica, plantago major, polygonum aviculare, populus nigra, potentilla supina, rorippa islandica, rumex conglomeratus, rumex crispus, rumex palustris, rumex stenophyllus, scutellaria galericulata, taraxacum minimum, tripleurospermum inodorum, veronica anagallis-aquatica, xanthium strumarium