United States, California, Riverside, Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit
33.464 -115.121
33 27 50.3 N 115 7 14.7 W
410 meters
1345 - ft.
Sandy wash in rocky canyon, scoured by flows in early winter; granitic sand; creosote bush scrub/wash microphyll woodland.