United States, California, Riverside, Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities.
33.43528 -117.1975
33.00° 26.00m 7s N; 117.00° 11.00m 51s W
152 meters
500ft.
Sandy, rocky river floodplain, flat, open exposure.