digitaria sanguinalis, stellaria media, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, cynodon dactylon, elymus repens, setaria pumila, setaria viridis, solanum nigrum, sonchus arvensis, sonchus oleraceus, cichorium intybus, erigeron canadensis, mentha arvensis, reseda lutea, sorghum halepense