04 September 1989.
Carbon County, Montana, United States
Locality: Montana State Plane coordinate system. Section: 25, Township: 6S, Range: 18E
Elevation: 1640m.
Habitat: Wild Habitat
Environment description: On a Thiel soil with cobbly clay loam texture, 15% west slope, 483 mm (19 in). annual precipitation.
Collector(s):
1993.
Montana, United States
Comment: PMC increase.
Collector(s):