State Rank Reason (see State Rank above)
Abundant in Carbon county in clayey soils across 1,000's of acres. Commonly associated with Artemesia pedatifida.
Taprooted perennial with a branched, woody caudex. Stems ascending to erect, 10–20 cm, sometimes branched near the base. Herbage finely villous. Leaves cauline, alternate, sessile, linear to oblanceolate, entire, 2–6 cm long. Heads radiate, 1 or 2 on naked peduncles at stem tips; involucres campanulate, 7–14 mm high; phyllaries scarious-margined, linear-lanceolate, villous, acuminate, imbricate in ca. 3 series; receptacle flat, naked. Disk flowers perfect, yellow; corollas 5–6 mm long, the tube and throat ca. equal. Ray flowers female, 12 to 25, white; ligules 10–15 mm long. Pappus of barbellate bristles. Achenes obconic, 4–7 mm long, 4-ribbed, sericeous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Barren, often heavy, clay or sandy clay soil of slopes and outcrops in sagebrush grassland and desert shrubland in the valley zone.