Hemizonia congesta subsp. clevelandii
Univ. Calif. Publ. Bot. 13: 48. 1924.
Leaves hirsute to villous and often hispidulous or strigose, all or distal usually stipitate-glandular. Heads in spiciform-racemiform to spiciform-paniculiform arrays. Peduncles 0 or 1–4 mm, bracts not or barely surpassing phyllaries. Calyculi 0. Phyllaries 3–7 mm, apices usually shorter than bodies. Ray-florets 5–8; laminae white, abaxially purple-veined. Cypsela widths 0.6–0.75 times lengths. 2n = 28.
Phenology: Flowering Jun–Nov.
Habitat: Dry sites, grasslands, openings in chaparral and woodlands
Elevation: 40–1600 m
Subspecies clevelandii occurs in interior habitats from southern North Coast Ranges in California to northern Klamath Ranges in southwestern Oregon.