Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across the central and northern regions of North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed, open areas.
Flowers: July-September
Origin: Introduced
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Generalist
Short-lived, puberulent perennial, the stems 3-7 dm. tall, simple or sparingly branched.
Leaves pinnatifid, 2-5 cm. long, woolly beneath, with winged rachis and deeply toothed segments.
Heads solitary on long peduncles from the ends of branches; disk 12-18 mm. wide; rays 20-30, pistillate and fertile, 7-15 mm. long; receptacle chaffy throughout, its bracts narrow, with firm yellow awn tips equalling the flowers; pappus a very short crown.
Achenes quadrangular, nerved.
PNW Herbaria: Specimen records of Cota tinctoria in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Cota tinctoria checklist entry
OregonFlora: Cota tinctoria information
E-Flora BC: Cota tinctoria atlas page
CalPhotos: Cota tinctoria photos