U.S.A., Montana, Park, Absaroka-Beartooth Mountains: Gallatin National Forest: ridge at head of Arrastra Creek: ca 3 mi E of Emigrant Peak, 18 mi N of Gardiner.
45.2556 -110.6261
45.2556° N, 110.6261° W; T7S R9E S4
3018-3049 meters
9900-10000 ft.
Sparsely vegetated, rocky tundra and talus with Hulsea algida, Collomia debilis var. trifida, Chaenactis alpina, and Sibbaldia procumbens.