01 January 1955.
Wyoming, United States
Locality: Dry west slope of Mount Washburne, 0.5 miles north of Dunraven Pass, Yellowstone National Park, Wyoming.
Elevation: 2645m.
Comment: Collections made July, August and September, 1955 in Arizona, California, Colorado, Idaho, Montana, Nevada, OREGO Oregon, Utah, Washington and Wyoming.
Collector(s):