zea mays, echinochloa crus-galli, amaranthus retroflexus, chenopodium album, digitaria sanguinalis, setaria viridis, stellaria media, atriplex patula, convolvulus arvensis, daucus carota, erigeron canadensis, hibiscus trionum, persicaria maculosa, plantago media, ranunculus arvensis, setaria pumila, solanum nigrum, sonchus oleraceus, stachys recta