State Noxious Weed. Height to 3 ft., usually 1-2 ft. Green to yellow bracts surround non-showy umbel flowers; May to September. Stems contain a white, milky substance. Leaves are oblong with one noteworthy vein, 3 lobed capsule fruits.

Widespread. Found in most counties in Nebraska.

Costs millions of dollars annually due to lost production. Considered toxic to cattle. Establishes quickly and easily and out-competes native vegetation.