23 August 1989.
Phillips County, Montana, United States
Locality: Montana State Plane coordinate system. Section: 25, Township: 32N, Range: 29E
Elevation: 279m.
Habitat: Wild Habitat
Environment description: On a 3% northeast slope. Annual percipitation of 279 mm (11 in).
Comment: Number of plants collected from: 6 plus
Collector(s):
1993.
Montana, United States
Comment: PMC increase.
Collector(s):