| Type: | Alliance |
| Parent classification: | Mojave-Sonoran Bajada & Valley Desert Scrub |
| Scientific Name: | Ambrosia dumosa Desert Dwarf Scrub Alliance |
| Location: | United States (California, Nevada, New Mexico, Arizona); Mexico |
| Description: | This desert scrub alliance is characterized by an open dwarf-shrub layer dominated by Ambrosia dumosa occurring on dry rocky sites that are too harsh for Larrea tridentata to be abundant and on sites where Larrea tridentata has been removed by disturbance. |
| Website: | View website |