zea mays, cynodon dactylon, setaria viridis, amaranthus blitum, amaranthus retroflexus, chenopodiastrum hybridum, chenopodium album, convolvulus arvensis, digitaria sanguinalis, equisetum arvense, medicago sativa, mercurialis annua, polygonum bellardii, setaria pumila, solanum nigrum, veronica cymbalaria, aristolochia clematitis, rumex acetosa