Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields and waste places, usually in slightly moist areas.
Origin: Introduced from Europe
Conservation Status: Not of concern
Mostly glabrous biennial, often branched, 1.5-8 dm. tall, with milky juice.
Leaves elongate, up to 30 cm. long and 2 cm. wide, abruptly narrowed a little above the base, the margins wavy, the tips recurved.
Heads solitary at the ends of branches, the peduncles not enlarged under the heads; involucral bracts in a single series, equal, about 8, 12-24 mm. long in flower, equaling or shorter than the chrome-yellow, ligulate corollas, elongating to 18-38 mm. in fruit; pappus of a single series of whitish, uneven-length, plumose bristles, the plume branches interwebbed.
Achenes 15-25 mm. long, the body abruptly contracted to the slender, relatively short beak.