John's wort Hypericum perforatum Primary Agave Agave lechuguilla Secondary Horsebrush
Desirable species have been almost completely replaced by slimstem muhly, fringed sage, desert low rabbitbrush, gray horsebrush
, and other poor quality livestock vegetation.
Shrub-steppe was characterized by juniper (Juniper osteosperma), big sagebrush (Artemisia tridentata), greasewood (Sarcobatus vermiculatus), horsebrush
(Tetradymia glabrata) and viscid rabbit brush (Chrysothamnus viscidiflorus).