Bernardina rabbitbrush

Chrysothamnus nauseosus (Pallas ex Pursh) Britton var. bernardinus H. M. Hall, Univ. Calif. Publ. Bot. 7: 171. 1919

Plants 50–150 cm. Stems yellowish green, becoming whitish, leafy, compactly tomentose. Leaves mostly greenish yellow; blades 1-nerved, linear, 30–50 × 1–2 mm, faces ± tomentose. Involucres 10–14 mm. Phyllaries 13–20 (in vertical ranks), apices erect, acuminate, abaxial faces glabrous or tomentose. Corollas 10–12 mm, tubes puberulent, lobes 1.7–2.3 mm, glabrous; style appendages longer than stigmatic portions. Cypselae densely sericeous; pappi 7–8 mm.

Flowering late summer–fall. Open yellow-pine forests; 1200–3000 m; Calif.; Mexico (Baja California).