[Wikipedia] Range: Allium atrorubens is a species of wild onion known by the common name dark red onion. This plant is native to the southwestern United States where it grows in the sandy soils of the Mojave Desert, the Great Basin and higher-elevation deserts in Nevada, eastern California (San Bernardino, Kern, Mono, Inyo and Lassen Counties) southwestern Utah (Kane, Millard and Beaver Counties), northwestern Arizona (Mohave and Coconino Counties). (link added by Mary Ann Machi)