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5c. Helianthella californica A. Gray subsp. shastensis (W. A. Weber) W. A. Weber, Phytologia. 85: 20. 1999.
Helianthella californica var. shastensis W. A. Weber, Amer. Midl. Naturalist 48: 30. 1952
Stems not branched. Cauline leaves mostly alternate; blades usually linear to lance-linear, sometimes lance-ovate, 3–6 mm(–18+) wide. Heads borne singly. Cypselae winged; pappi of 2 ± subulate scales plus 0–4 shorter scales.
Flowering May–Jun. Pine forests, scrublands; 1300–2500 m; Calif.
Subspecies shastensis grows in Shasta, Siskiyou, and Trinity counties.
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