G286 Chihuahuan Desert Succulent Scrub Group
G287 Chihuahuan Desert Sand Scrub Group
G288 Chihuahuan Creosotebush - Mixed Desert Scrub Group
G299 Chihuahuan Desert Lowland Basin Scrub Group
G489 Chihuahuan Semi-Desert Lowland Grassland Group
G490 Chihuahuan Desert Foothill-Piedmont & Lower Montane Grassland Group
G491 Chihuahuan Sandy Plains Semi-Desert Grassland Group
G541 Warm Semi-Desert Shrub & Herb Dry Wash & Colluvial Slope Group
G569 North American Warm Semi-Desert Cliff, Scree & Pavement Sparse Vegetation Group
G677 North American Warm Desert Ruderal Grassland Group
G797 Western Interior Riparian Forest & Woodland Group
G819 North American Warm Desert Ruderal Scrub Group
M010 Madrean Lowland Evergreen Woodland Macrogroup
M011 Madrean Montane Forest & Woodland Macrogroup