United States, Arizona, Maricopa County, Mesquite Wash; N 37 32 200, E 4 52 600; 50 m W of HWY 87; 13 miles S of Sunflower, ca. 2 k ENE of Black Mountain
33.73333 -111.5167
33d 44m N; 111d 31m W
872 meters
2860ft.
near running water, wet soil 1 m from water's edge