amaranthus retroflexus, chenopodium album, solanum nigrum, artemisia vulgaris, cirsium arvense, erigeron canadensis, erysimum cheiranthoides, galinsoga quadriradiata, persicaria maculosa, plantago major, polygonum aviculare, raphanus raphanistrum, rumex obtusifolius, setaria viridis, sinapis arvensis, sonchus oleraceus, tripleurospermum inodorum