United States, California, Shasta, Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located off Lava Springs Trail between Crystal Springs and Ya-She. Collected from mdw area. USGS Quadrangle: Fall River Mills 1:24,000
41.112778 -121.452222 +-805m. NAD83
41§ 6m 46s N; 121§ 27m 8s W
1009 meters
3310ft.
From moist mdw area in a grassy depression within a volcanic riparian zone.