Senecio resedifolius Less..
[= Packera cymbalaria]
Annotated by Hannah Marx, 12 Dec 2016. Sources: Flora of PNW.

Idaho: Blaine County: Idaho: Sawtooth National Forest: Pioneer Mountains: Hyndman Peak: in meadow above treeline Elev. 10770 ft.
43.74357° N, 114.12403° W
Datum: WGS 84. Uncertainty: 348 meters. Coordinate Source: Digital Map.
Moist alpine meadow in abundant flower. Collected as thoroughly as possible, but may have missed some species due to time constraints and massive size of meadow. Stopped collecting in Meadow at 10235 ft., 43.73984ºN, 114.13070ºW. Treeline = 9794 ft., 43.72742ºN, 114.13763ºW. Dominant Assoc.: Castilleja miniata, Bistorta bistortoides, Potentilla glaucophylla var. glaucophylla, Aster foliaceus var. apricus, Cerastium beeringianum. Yellow rays, small, rare in meadow. Leaf tissue in silica gel at ID. Phenology: Flowers.

Hannah Marx 2013-278, Aug 9, 2013
With Matt Scrivner (Sawtooth Mountain Guides)
ID, Accession: 174229, Barcode: ID179591