U.S.A., Washington, Grant, Columbia National Wildlife Refuge at the eastern side of the Potholes Reservoir; 1.6 kilometers south of the entrance road to the refuge.
46.9638 -119.2689 +-805m. NAD 27
T17N R28E S14
305 meters
1000 ft.
Scattered, on moist soil. Additional notes present. Substrate: terricolous.