16 August 1989.
Stillwater County, Montana, United States
Locality: Montana State Plane coordinate system. Section: 24, Township: 3S, Range: 19E
Elevation: 1402m.
Habitat: Wild Habitat
Environment description: On a Hilger soil with cobbly sandy loam texture, 5% south slope, 300 mm (10 to 14 in). annual precipitation.
Collector(s):
1993.
Montana, United States
Comment: PMC increase
Collector(s):