Astragalus obscurus S. Watson
Annotated by Heather Zimba, 2020. Sources: Flora of PNW Revised.

Idaho: Owyhee County: 9.9 air km SE from China Hat and 4.8 air km SE from Sheep Creek. Parked at SHCR4 point and collected plants within a 84 m radius at 226 degrees from the vehicle. Elev. 1727 m.
42.052946° N, 115.836338° W
Datum: WGS 84. Uncertainty: 3 meters.
Ephemeral drainage in sagebrush steppe. Overstory of Artemisia tridentata (var. obscura and wyomingensis) with an understory of Poa secunda and Phlox longifolia. Rocky soil, clay, and an abundance of small rocks with a north-facing basaltic cliff band above drainage. Microhabitats by/within cliffs. Note: Unable to make full collection. Pale white-yellow flower.

T. Styhl 19-03, May 18, 2019
With D. Stone, J. Houghton
ID, Accession: 190618, Barcode: ID196173