United States, Oregon, Josephine, Southwest Oregon. Upper Illinois Valley. W side of Lone Mountain, 2.5 mi. SW of O'Brien. USGS Quadrangle: O'Brien 1:24,000
42.046111 -123.737778
42§ 2m 46s N; 123§ 44m 16s W
550 meters (1804ft)
Uncommon on partially shaded, flats within Douglas-fir forest. Perennial, non-serpentine substratum.
Label says: Lone Mountain Institute, O'Brien, Ore.