hibiscus trionum, chenopodium album, amaranthus albus, amaranthus retroflexus, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, eragrostis minor, erigeron canadensis, polygonum aviculare, portulaca oleracea, setaria pumila, setaria viridis, xanthium spinosum