Arm yourself with this Brushtox Brush Killer with Triclopyr Concentrate in the fight against more than 60 woody plants, including mesquite, oaks, locust, wild rose and sweetgum and 30 tough broadleaf weeds like Canada thistle and dog fennel. See label for the complete list of broadleaf weed control. This concentrated brush killer herbicide works both economically and effectively on rangeland, permanent grass pastures, fencerows, ditch banks and rights-of-way on acreage large and small.