chenopodium album, solanum nigrum, chelidonium majus, amaranthus retroflexus, erigeron canadensis, achillea millefolium, echinochloa crus-galli, hordeum murinum, setaria pumila, setaria verticillata, stellaria media, taraxacum minimum, urtica urens, anethum graveolens, poa annua, senecio vulgaris, sonchus oleraceus, thinopyrum intermedium