Hieracium albiflorum Hook. × Hieracium scouleri Hook.
Annotated by Ben Legler, Aug 2020.

Idaho: Idaho County: Clearwater National Forest: along Forest Service Road 500 ca 0.75 air km northwest of Papoose Saddle, 9 air km north of Powell Ranger Station. Elev. 1784 m.
46.592068° N, 114.738392° W
Datum: WGS 84. Uncertainty: 7 meters. Coordinate Source: GPS.
Dry, gravelly road bank among upper montane conifer forest, with Xerophyllum tenax, Vaccinium membranaceum. Two plants on road bank, growing with H. albiflorum (16373B, the presumed maternal parent); H. scouleri (16373C) occurs nearby on road bank; plants are intermediate between parents in growth form, pubescence, leaf distribution and shape, flower size, and flower color (light yellow). Phenology: Flowers.

Ben Legler 16373, Aug 16, 2020
With Peri Pipkin
ID, Accession: 185926, Barcode: ID191480