United States, Colorado, San Juan, Three miles south of Molas Pass on Highway 550, south of Silverton.
37.727568 -107.746114 +-805m. WGS84
Georeferenced to Highway 550 ca 3 miles ((as measured along Highway 550) south of Moles Pass summit (as identified by USGS Topo), with uncertainty radius extending 0.5 miles or 805 meters.
Many clumps but only in one area. Along with penstemons in rocky and sandy soil on a rocky roadside.