Proximal leaves mostly 5–15+ cm, not lobed or 2–3(–5)-lobed. Involucres 7–9+ mm. Ray florets: corollas yellow, 5–7 mm; stigmas red. Disc florets 30–70. Cypselae 3–4 mm, papillate. 2n = 18.

Flowering Feb–Apr. Grassy margins of swales or vernal pools; of conservation concern; 20–40 m; Calif.

Blennosperma bakeri is in the Center for Plant Conservation’s National Collection of Endangered Plants.