amaranthus deflexus, amaranthus retroflexus, atriplex tatarica, chenopodiastrum murale, chenopodium album, cynodon dactylon, erigeron canadensis, poa annua, urtica urens, amaranthus albus, amaranthus crispus, arctium minus, digitaria sanguinalis, malva sylvestris, portulaca oleracea, sonchus asper, xanthium spinosum