text: amaranthus hybridus, amaranthus retroflexus, chenopodium album, convolvulus arvensis, arctium lappa, chenopodiastrum hybridum, cirsium arvense, cynodon dactylon, digitaria sanguinalis, eragrostis cilianensis, eragrostis minor, erigeron canadensis, hibiscus trionum, lamium amplexicaule, plantago major, setaria pumila, setaria verticillata, setaria viridis, sinapis arvensis, solanum nigrum, sonchus arvensis, sonchus oleraceus, sorghum halepense, stellaria media