Senecio pagosanus A. Heller

Plants (30–)40–60+; herbage sometimes sparsely hairy. Stems single or loosely clustered (relatively stiff-erect). Leaves mostly proximal and mid cauline (basal smaller, usually withering before flowering). Phyllaries frequently black or purplish toward tips, sometimes with black hairs on abaxial faces.

Flowering mid–late summer. Damp or drying, loose, rocky sites in upper conifer associations and near timberline; 3100–4100 m; Colo., N.Mex.