Location: Fales Flat, on road between Conner and Elk City, along Nez Perce Fork, Bitterroot River, T.15N, R.23W, Sect. 16, Idaho, USA.
District Located: not specified
Longitude/Latitude: 113.875W / 46.875 N
Habitat: Moister parts of open meadow surrounded by forest of Pinus ponderosa and Tsuga heterophylla. Altitude 5,136 ft. Alluvial soil from granitic formation.
Notes: 2n=28!
Collector: Randall J. Bayer and G. Ledyard Stebbins