09 April 1956.
Wyoming, United States
Locality: Dry slope in lodgepole pine woods, Yellowsotne National Park, 3.8 miles west of Tower Junction road to Mammoth Hot Springs, Wyoming.
Comment: Collections made July, August and September, 1955 in Arizona, California, Colorado, Idaho, Montana, Nevada, OREGO Oregon, Utah, Washington and Wyoming.
Collector(s):