hordeum murinum, bromus sterilis, bromus tectorum, cynodon dactylon, lepidium draba, xanthium spinosum, agropyron cristatum, amaranthus blitum, amaranthus crispus, amaranthus retroflexus, artemisia annua, atriplex oblongifolia, capsella bursa-pastoris, geranium pusillum, lappula squarrosa, matricaria chamomilla, setaria pumila, xeranthemum annuum