Distribution: Southern Alberta south to Washington, Colorado and California.
Habitat: Rocky soil in seeps or springs, cliffs, or riverbanks, at moderate to high elevations in the mountains.
Flowers: July - September
Conservation Status: Not of concern
Densely tufted perennial, often in large patches, from a short rhizome; many sterile, leafy stems; flowering stems leafy, 3-6 dm. high.
Leaves opposite, 5-7 pairs, the lower sheathing, with reduced blade; other leaves nearly sessile, only slightly reduced upward, lanceolate or lance-elliptic with a pointed tip, entire, 5-12 cm. long and 1-2 cm. wide; no basal leaves.
Heads several to many; involucre 7-10 mm. high, the bracts sharply pointed; rays 8-13, yellow, pistillate, 1-2 cm. long; disk flowers yellow; pappus tawny, barbellate.
Achenes glandular and hairy or sub-glabrous.