cirsium arvense, digitaria sanguinalis, amaranthus retroflexus, convolvulus arvensis, echinochloa crus-galli, eragrostis cilianensis, hibiscus trionum, amaranthus albus, bidens tripartita, chenopodium album, erigeron canadensis, rorippa sylvestris, rubus caesius, senecio vulgaris, setaria pumila, sonchus arvensis, sonchus oleraceus