Plants 9-40 cm; proximal unbranched portions of primary stems shorter or longer than branches supporting heads. Leaves ± evenly distributed on stems. Heads usually erect in bud and fruit. Phyllaries 4-8, densely white-villous near folded edges. Ray florets 4-8; laminae 2.5-7 mm. Disc florets 8-20, functionally staminate. Ray cypselae strongly gibbous, beaked (beaks 0.4-0.5 mm); pappi to 0.9 mm. Disc cypselae 0; pappi (of disc florets) of 7-10 lance-attenuate to subulate, plumose scales 0.2-0.9 mm. 2n = 18.

Flowering May-Jun. Serpentine slopes; of conservation concern; 800-1600 m; Calif.

Harmonia doris-nilesiae occurs in the southern Klamath Ranges. Sometimes, H. doris-nilesiae and H. stebbinsii occur in proximity (e.g., V. Parker 757, 759; JEPS); hybrids have not been reported.