Senecio integerrimus var. exaltatus
Leafl. W. Bot. 6: 48. 1950.
Herbage copiously to sparsely arachnose, tomentose, or villous at flowering. Leaves: basal and proximal cauline usually indistinctly petiolate; blades (cauline) mostly elliptic to lanceolate or oblanceolate, sometimes rounded-deltate or suborbiculate. Heads 6–15 (–30+). Phyllaries ± lanceolate, (4–) 5–10 mm, tips black. Ray-florets usually ± 5, sometimes 0; corollas yellow, laminae 6–15 mm.
Phenology: Flowering spring.
Habitat: Open woodlands, sagebrush plains, meadow grasslands from foothills to above timberline
Elevation: 500–3200 m
Alta., B.C., Sask., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Variety exaltatus is the most widespread and variable variety of the species. Eradiate plants of var. exaltatus have been recognized as var. vaseyi; there appears to be no populational integrity to the eradiate condition.