Physocarpus alternans (M.E. Jones) J.T. Howell var. alternans

Idaho: Butte County: Challis National Forest: Lemhi Range: Middle Canyon ca 0.2 mi N of parking area, 24.5 air mi NE of Arco. Elev. 6413 ft.
43.89224° N, 112.96026° W; T7N R29E S35
Datum: NAD 83. Uncertainty: 30 meters.
Dominant population in xeric soil within a juniper vegetation, 26 degree slope, SSE aspect, limestone geology. Phenology: Flowers.

Joshua J. Irwin 6630, Jul 22, 2011
ID, Accession: 178611, Barcode: ID184135