xanthium spinosum, amaranthus retroflexus, artemisia absinthium, chenopodium album, datura stramonium, erigeron canadensis, hibiscus trionum, malva neglecta, plantago lanceolata, polygonum aviculare, portulaca oleracea, setaria pumila, sinapis arvensis, solanum nigrum, tripleurospermum inodorum, verbena officinalis, xanthium strumarium