calamagrostis epigejos, amaranthus retroflexus, cynodon dactylon, chenopodium album, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, erigeron canadensis, geranium pusillum, lactuca serriola, lathyrus tuberosus, reseda lutea, setaria pumila, setaria viridis, solanum nigrum, sonchus asper, sonchus oleraceus