convolvulus arvensis, cirsium arvense, amaranthus retroflexus, chenopodium album, cynodon dactylon, digitaria sanguinalis, echinochloa crus-galli, elymus repens, fallopia convolvulus, persicaria lapathifolia, poa annua, setaria pumila, setaria viridis, solanum nigrum, stellaria media, aristolochia clematitis, equisetum arvense, erigeron canadensis, galinsoga parviflora, hibiscus trionum, lepidium draba, plantago major, portulaca oleracea, ranunculus repens, rorippa sylvestris, rumex crispus, senecio vulgaris, sonchus arvensis, sonchus asper, sonchus oleraceus, sorghum halepense, tussilago farfara