Herbicidal compositions and methods using a combination of (a) a compound of formula (I) or an agriculturally acceptable salt or ester thereof and (b) diclosulam or clorasulam-methyl or an agriculturally acceptable salt thereof provide control of undesirable vegetation in, e.g., rice, wheat, barley, oats, rye, sorghum, com or maize, oilseed rape, vegetables, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, industrial vegetation management or rights-of-way.