Erigeron poliospermus A. Gray var. poliospermus
Annotated by Charles F. Williams, 6 Jun 2010. Sources: FPNW, USDA Plants.

Idaho: Bannock County: Slate Mountain Trail. Caribou National Forest, trail along ridgeline of Slate Mountain; from false summit to saddle where bike trail descends into Gibson Jack Creek. 42.75063° N -112.43831° W to 42.76827° N -112.43537° W [path]. Elev. 6150-6955 ft.
42.75063° N, 112.43831° W; T8S R34E S2 NE 1/4
Datum: WGS 84. Uncertainty: 100 meters. Coordinate Source: Garmin eTrex Vista HCx.
Rocky, gravely soils along open ridgeline. Some areas with Scattered Juniper and other shrubs in rocky or more protected sites. Soils still moist after snowmelt. Plants mat-forming, from a taproot. Flowering stems with few, small, linear leaves. Ray flowers purple, relatively wide. Involucre villous; multicellular hairs with clear crosswalls. Achenes hair-covered. Full bloom. Common at mid-elevation. Duplicates to: IDS, RM, SRP. Phenology: Flowers.

Charles F. Williams 2010-0046, 6/5/2010
IDS, Accession: 2012.005, Barcode: IDS0068826