chenopodium album, erigeron canadensis, amaranthus retroflexus, chenopodiastrum hybridum, echinochloa crus-galli, celtis australis, eragrostis minor, galinsoga parviflora, lysimachia arvensis, panicum capillare, polygonum aviculare, setaria pumila, setaria verticillata, setaria viridis, solanum nigrum, sonchus arvensis, trifolium pratense, tripleurospermum inodorum