Bristly Oxtongue (Picris ecchioides)
Category: Industrial Weeds
Annual to biennial. Basal leaves are rosette-forming, stalk leaves are sessile and amplexicaul - all leaves prickly and covered with bristles. Flowers are yellow and appear in summer. Prefers moderately dry warm locations.
Pistol® Controls broad-leaved weeds and grasses on soft, gravel surfaces and railway ballast