29 August 1989.
Stillwater County, Montana, United States
Locality: Montana State Plane coordinate system. Section: 30, Township: 6S, Range: 19E. West Donohue Ranch
Elevation: 1609m.
Habitat: Wild Habitat
Environment description: On a Charlos soil with loam texture, 1% slope, 483 mm (19 in). annual precipitation.
Collector(s):
1993.
Montana, United States
Comment: PMC increase.
Collector(s):