Senecio bigelovii var. hallii A. Gray
Family: Asteraceae
Hall's ragwort
[Ligularia bigelovii var. hallii (Gray) W.A. Weber]
Senecio bigelovii var. hallii image
Photo ©Al Schneider, swcoloradowildflowers.com  

Herbage often floccose-tomen­tose, especially among heads and on abaxial faces of leaves, sometimes unevenly glabrescent. Leaves: blades of proximal usually tapered to petioles; mid and distal leaves weakly, if at all, clasping. Heads (1-)3-7. Phyllaries mostly 21, (7-)8-12 mm.

Flowering summer. Grassy damp or drying sites in open conifer-dominated areas; 1700-3500 m; Ariz., Colo., N.Mex., Utah, Wyo.

Senecio bigelovii var. hallii image
Photo ©Al Schneider, swcoloradowildflowers.com