United States, California, Butte, Below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville. T19N R06E S07 NW1/4
Large size plant, on dry bare granite soil, protected by rocks, mined area, below the high water line of Lake Oroville. Uncommon. Flowers white. Foothill Woodland (destroyed).