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Lasthenia
See list of 2 species in this genus-
1a. Involucre 5–10 mm tall; anthers of disk flowers triangular at apex; styles of disk flowers triangular at apex; pappus of 1–7 awns or awn-tipped scales or absent; leaf blades entire
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1b. Involucre 4–6 mm tall; anthers of disk flowers ovate to elliptic at apex; styles of disk flowers triangular to dome-shaped at apex; pappus of 2 or 3 narrow-lanceolate to lanceolate scales intermixed with shorter, truncate, fringed scales or absent; leaf blades entire to toothed
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Each photo represents one species in this genus.