Disclosed herein are herbicidal compositions containing a herbicidally effective amount of (a) a pyridine carboxylic acid herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof, and (b) glyphosate or glufosinate or an agriculturally acceptable salt thereof. Also disclosed herein are methods of controlling undesirable vegetation which comprise applying to vegetation or an area adjacent the vegetation or applying to soil or water to prevent the emergence or growth of vegetation (a) a pyridine carboxylic acid herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) glyphosate or glufosinate or an agriculturally acceptable salt thereof, wherein (a) and (b) are each added in an amount sufficient to provide a herbicidal effect.
