Penstemon davidsonii Greene var. davidsonii
Annotated by Richard G. Olmstead, Aug 2005. Sources: H&C. Remarks: Leaves fit this, even if geographic distribution.

Washington: Chelan County: North Cascades National Park. Reynolds Peak. Northeast ridge of Reynolds Peak. Accessed from the Reynolds Peak Trail out of the Twisp River Valley. Elev. 7288 ft.
48° 22.5' N, 120° 34.4' W; UTM Zone 10, 679696.411E, 5360826.634N; T33N R18E S11
Datum: WGS 84. Coordinate Source: GPS. UTM calculated from Lat-Lon.
Rocky subalpine ridgeline. Pinalb and Abilas are scattered patchy. Plants are relegated to microsites of soil in-between rocks. Very exposed site. Full to partial sun. Many trees Krummholtz or with skirting. Dominant rock type is granite. Large rhizomatous mats. Flowers Lilac purple. partial sun. Occasional. Phenology: Flowers.

Lindsey Hamilton 5, Jul 23, 2005
With Laura Potash, Steve Hahn, Peter Zika, Emily Sloane, Dorothy Wallace-Senft
WTU, Accession: 366365, Barcode: WTU-V-039557, NPS accession 764, catalog 32552