setaria pumila, setaria viridis, mercurialis annua, cirsium arvense, convolvulus arvensis, lappula squarrosa, setaria verticillata, stachys annua, artemisia vulgaris, chondrilla juncea, datura stramonium, elymus repens, erodium cicutarium, lysimachia foemina, reseda lutea, salsola tragus, sonchus oleraceus, tussilago farfara, erigeron canadensis, lactuca serriola