Narrowleaf Hawksbeard - Crepis tectorum
Other Names:
Narrow-leaved Hawk's-beared
Taprooted annual. Stems erect, 10–50 cm, often branched above. Herbage glabrate to sparsely tomentose. Leaf blades linear-oblanceolate to linear-lanceolate, 2–10 cm long, dentate to shallowly lobed, deciduous below, becoming linear and sessile above. Heads 10 to 40. Involucre campanulate, 6–9 mm high; phyllaries linear-lanceolate, tomentose, setose, glandular. Rays 30 to 70 ligules 6–10 mm long. Achenes yellow to brown, 2–5 mm long, narrowed above (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).