Location Notes: ca. 8 miles west of Desert Range Experiment Station Headquarters along hwy. 21, 100 meters west of pass at north end of the Needle Range.
Location Notes: Canyon Mountains, Oak Creek Canyon, west ridge of mouth of South Walker Canyon, 10.1 km (6.3 mi) east of downtown Oak City and 9 km (5.5 mi) air distance east (106x)., one specimen image; one type description (pdf)
