datura stramonium, atriplex oblongifolia, descurainia sophia, hyoscyamus niger, malva neglecta, urtica urens, xanthium spinosum, xanthium strumarium, amaranthus albus, amaranthus retroflexus, atriplex tatarica, bromus tectorum, convolvulus arvensis, lepidium draba, matricaria chamomilla, polygonum aviculare, setaria pumila, solanum nigrum, trifolium arvense