Distribution: Introduced, occsionally escapes.
Habitat: Disturbed ground, usually where moist.
Flowers: June - August
Origin: Introduced from Europe
Conservation Status: Not of concern
Celery-scented, yellow-green, glabrous biennial, 5-12 dm. tall.
Leaves 1-2 pinnate, shiny, with large, toothed leaflets.
Umbels nearly sessile, often in the leaf axils; involucre wanting; flowers white.