Chrysanthemum nauseosus (Pall.) Britt ssp. nanus (Cronq.) Keck
Annotated by Loran C. Anderson, 1980.

Oregon: Wallowa Mountains. Elev. 6560 ft.
45.242436° N, 117.312189° W,
Uncertainty: 64000 meters.
Rocky, subalpine ridge, basaltic; unusually high altitude. Phenology: Flowers.

Wm. C. Cusick 3151a, Sep 1906
WTU, Accession: 7639JWT-B