amaranthus hybridus, convolvulus arvensis, heliotropium europaeum, hibiscus trionum, portulaca oleracea, setaria pumila, setaria verticillata, amaranthus retroflexus, chenopodium album, cirsium arvense, digitaria sanguinalis, eragrostis cilianensis, eragrostis minor, erigeron canadensis, polygonum bellardii, rubus caesius, solanum nigrum, xanthium spinosum