Sorbus scopulina Greene × Sorbus sitchensis M. Roem.
Annotated by JHR, 1988. Remarks: This specimen certainly appears to be "inbetween." White hairs and ruforus hairs, leaves not definate in shape.

Montana: Lake County: Flathead Ind. Res. Mission Mts., Deep Creek 1 mi. S. of Blacktail Peak, 13 mi. ESE of St. Ignatius. Elev. 6600 ft.
T17N R18W S1
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Slope: 5-10%. Exposure: south. Soil: Argillaceous bedrock. Vegetation type: subalpine. Associated plants: sorbus scopulina. Abundance: frequent. Crevices and cracks in massive bedrock slabs. Phenology: Flowers.

Peter F. Stickney 1913, Jul 19, 1968
MONT, Accession: 65551