Rough rabbitbrush

Chrysothamnus asper Greene, Leafl. Bot. Observ. Crit. 1: 80. 1904; C. parryi (A. Gray) Greene subsp. asper (Greene) H. M. Hall & Clements

Plants 15–70 cm . Leaves moderately crowded, gray-green; blades 1-nerved, oblanceolate, 15–50 × 1–3 mm, faces abundantly stipitate-glandular; distalmost ± equaling arrays. Heads 4–10+ in (sometimes branched) racemiform arrays. Involucres 11–15 mm. Phyllaries 9–13, whitish, tan, or purplish, apices erect to spreading, acute. Florets 5–10; corollas yellow, 8.3–9.5 mm , tubes sparsely hairy, throats gradually dilated , lobes 1.4–1.7 mm. 2n = 18.

Flowering late summer–fall. Dry forests to alpine barrens in pumice or gravel; 1900–3300 m; Calif., Nev.