North American Warm Desert Ruderal Scrub
| Type: | Group | | Parent classification: | North American Warm Desert Ruderal Scrub & Grassland | | Scientific Name: | Prosopis glandulosa - Prosopis velutina Warm Desert Ruderal Scrub Group | | Location: | Mexico (Sonora, Coahuila); United States (New Mexico, Arizona, Texas, Colorado) | | Description: | This broadly defined ruderal group occurs in Arizona, New Mexico, western Texas and northern Mexico and includes upland desert scrub dominated by exotic shrub species such as Caesalpinia gilliesii or invasive native species (Prosopis glandulosa and Prosopis velutina) with >90% relative cover and >10% absolute shrub cover. Also included are any desert scrub with an herbaceous layer strongly dominated by an exotic herbaceous species (>90% relative cover). Characteristic exotic understory species include Brassica nigra, Brassica tournefortii, Bromus madritensis, Bromus rubens, Cynodon dactylon, Centaurea spp., Eragrostis lehmanniana, Erodium cicutarium, and Schismus barbatus. | | Website: | View website |
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