PRE 2000.
Washington, United States
Locality: 26 miles W Okanagan, WA, Hwy 20 mile marker 207 (SE Twisp, WA)
Coordinates: 48.3619, -120.0289
(Map it)
Environment description: associated plant spp. Sporobolus cryptandrus, cheatgrass
Comment: 48o21'43"N 120o01'44"W
Collector(s):