bromus tectorum, tripleurospermum inodorum, tussilago farfara, achillea millefolium, apera spica-venti, descurainia sophia, equisetum arvense, erigeron canadensis, lactuca serriola, lepidium densiflorum, polygonum aviculare, artemisia vulgaris, chenopodium album, crepis tectorum, daucus carota, salsola tragus