digitaria sanguinalis, setaria pumila, xanthium strumarium, anthemis arvensis, chondrilla juncea, amaranthus retroflexus, chenopodium album, cynodon dactylon, echinochloa crus-galli, anchusa officinalis, cichorium intybus, convolvulus arvensis, eragrostis minor, equisetum ramosissimum, potentilla argentea, daucus carota, erigeron canadensis, lactuca serriola