Pyrrocoma gossypina Greene, Pittonia 3: 23. 1896; Haplopappus uniflorus (Hooker) Torrey & A. Gray subsp. gossypinus (Greene) H. M. Hall

Plants 10–30 cm. Stems pale or reddish, tufted-tomentose, glabrescent. Leaves: basal blades lanceolate, 20–80 × 10–20 mm, margins entire to rigidly dentate; faces tufted-tomentose. Heads 1–5, usually in racemiform arrays, pedunculate, sometimes borne singly, terminal. Involucres 10–13 × 18–20 mm. Phyllaries loosely appressed, unequal.

Flowering Jul–Sep. Dry or moist alkaline meadows, open pine forests; of conservation concern; 1600–2300 m; Calif.

Variety gossypina is known only from the San Bernardino Mountains, southern California. It is recognized by its tufted-tomentose pubescence, long involucres, unequal phyllaries, and geographic isolation.