Senecio integerrimus var. scribneri (Rydb.) T.M.Barkley

Herbage usually villous, sometimes arachnose or tomentose, at flowering. Leaves: basal and proximal cauline ± petiolate; blades (cauline) oblong or lanceolate to sublinear (6–10 × 0.5–2 cm). Heads 3–6(–16+). Phyllaries ± linear, 10–15 mm, tips usually green, rarely black. Ray florets probably mostly 5; corollas yellow, laminae 12–15 mm.