Boechera microphylla (Nutt.) Dorn × Boechera retrofracta (Graham) Á. Löve & D. Löve
Annotated by Curtis Bjork, Jun 2010.

Idaho: Owyhee County: Owyhee Uplands, Little Jacks Creek Canyon, proposed BLM Little Jacks Creek Research Natural Area. Elev. 4500 ft.
T9S R3E S7 NW
Datum: NAD 27. Uncertainty: 800 meters. Coordinate Source: TRS2LL.
NNW facing 40% slope, sandy loam over basalt, in community of Artemisia tridentata wyomingensis / Agropyron spicatum. Associated with Aster scopulorum and Microseris troximoides. Plants common. Phenology: Flowers and Fruits.

C. A. Wellner 2855, May 31, 1983
ID, Accession: 84276, Barcode: ID068495