| Introduction | |
| A. CISMONTANE REGION | |
| 1. Coastal Strand (CoSt) | |
| 2. Coastal Prairie (CoPr) | |
| 3. Coastal Salt Marsh (CoMa) | |
| 4. Northern Coastal Scrub (NoSc) | |
| 5. Closed-Cone Pine Forest (ClFo) | |
| 6. North Costal Forest (NoFo) | |
| 7. Coastal Sage Scrub (CoSc) | |
| 8. Chaparral (Chap) | |
| 9. Valley and Foothill Woodland (VaWo) | |
| 10. Valley Grassland (VaGr) | |
| 11. Riparian Woodland (RiWo) | |
| 12. Freshwater Marsh (FrMa) | |
| B. MONTANE REGION | |
| 1. Montane Forest (MoFo) | |
| 2. Montane Chaparral (MoCh) | |
| 3. Subalpine Forest (SuFo) | |
| 4. Montane Meadow (MoMe) | |
| 5. Alpine Fell-Field (AlFe) | |
| C. TRANSMONTANE REGION | |
| 1. Pinyon-Juniper Woodland (PiWo) | |
| 2. Sagebrush Scrub (SaSc) | |
| 3. Shadescale Scrub (ShSc) | |
| 4. Alkalai Sink Scrub (AlSc) | |
| 5. Joshua Tree Woodland (JoWo) | |
| 6. Creosote Bush Scrub (CrSc) | |