Balsamorhiza careyana Gray × Balsamorhiza hookeri Nutt.
Annotated by Ben Legler, 2013.

Washington: Kittitas County: Along crest of Umtanum Ridge just east of where Yakima Skyline Trail reaches ridgeline, 10 miles north of Yakima. Elev. 750 m.
46.742316° N, 120.475092° W
Datum: WGS 84. Uncertainty: 7 meters. Coordinate Source: GPS.
Steep, north-facing slope immediately below ridgeline, with mix of basalt outcrops and stable, vegetated basalt talus; mesic soil; with Pseudorhoegneria spicata, Eriogonum sphaerocephalum, Amelanchier alnifolia. Flowers bright yellow; leaves erect to arching; plants forming robust clumps, locally common; both parents occur in general vicinity (B. careyana above on ridge crest, B. hookeri nearby on north-slope). Photographed. Phenology: Flowers.

Ben Legler 12569, Apr 28, 2013
WTU