eragrostis pilosa, gnaphalium uliginosum, plantago uliginosa, persicaria lapathifolia, argentina anserina, bidens frondosa, eleocharis palustris, juncus compressus, potentilla argentea, pulicaria vulgaris, echinochloa crus-galli, inula britannica, populus canadensis, rorippa sylvestris, tussilago farfara, artemisia vulgaris, lipandra polysperma, setaria pumila, trifolium hybridum