Provided herein are herbicidal composition containing and method of controlling undesirable vegetation utilizing (a) a compound of formula (I): or an agriculturally acceptable salt or ester thereof and (b) an auxin transport inhibitor. Exemplary auxin transport inhibitors include chlorflurenol-methyl, diflufenzopyr, flurenol and naptalam, or an agriculturally acceptable derivative thereof. The methods and compositions described herein provide control of undesirable vegetation, e.g., in rice, cereals, wheat, barley, oats, rye, sorghum, corn or maize, sugarcane, sunflower, oilseed rape, canola, sugar beet, soybean, cotton, pineapple, vegetables, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, plantation crop, industrial vegetation management (IVM) or rights of way (ROW).
