28 July 1958.
Colorado, United States
Locality: Montezuma County. Mesa Verde National Park, Navajo Canyon, just below the junction with Spruce Canon.
Coordinates: 37.1703, -108.4987
(Map it)
Elevation: 1850m.
Environment description: Near the sewage disposal plant, in a sage brush area, in disturbed soil.
Comment: For additional collecting details see the
Potato Collecting Expedition Notes