Senecio fremontii var. occidentalis
in W. H. Brewer et al., Bot. California 1: 618. 1876.
Plants mostly 1–2 dm. Stems arching upward. Leaves (smaller and fewer distally) usually smaller than 4 × 2 cm, bases not clasping, margins toothed or subentire. Heads 2–4 (–5). Phyllaries (± 8) ± 13, 5–7 (–8) mm.
Phenology: Flowering summer.
Habitat: Rocky alpine and subalpine sites
Elevation: 2800–4000 m
Plants of var. occidentalis grow in the southern Cascade Mountains and the Sierra Nevada.