United States, California, Riverside, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10.In northwest portion of lake bed.Sonoran Desert
33.69472 -115.63694
436 meters
1432ft.
Artificial basin with bulldozed rim for flooding.Summer ppt annuals coloring region; Pectis papposa, Boerhavia coulteri, Panicum hirticaule, widely scattered clumps of Cercidium and Tamarix.