Shrubs. Stems spreading to erect, 10–50 cm, glabrous to puberulent; twigs brittle, white; bark gray. Leaves alternate, entire, linear, usually somewhat twisted, glabrous to puberulent, resinous, 1–4 cm long with 3 to 5 veins. Inflorescence tight-corymbiform with several heads on short peduncles. Heads discoid; involucres obconic, 4–9 mm high; phyllaries imbricate in 3 to 5 series, narrowly lanceolate, white to greenish; receptacle convex, glabrous. Disk flowers 4 to 8, perfect, yellow; corolla 4–7 mm long, tube shorter than throat; style branches linear. Pappus barbellate, capillary bristles. Achenes obconic, 2–4 mm long, 5-angled, pubescent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Montana also has subspecies lanceolatus
(Nutt.) H.M.Hall & Clem.