You can use many more native plants for each area but you'll need to add a little more winter/spring water to see a larger list, BUT, the plants will not be as drought tolerant.
To play with your individual list, go to www.mynativeplants.com
Drought resistant plants for a Bay Area Garden
Drought resistant plants for a Encinitas landscape garden
Drought resistant plants for a Long Beach landscape garden
Drought resistant plants for a Los Angeles area landscape garden
Drought resistant plants for an Oakland garden
Drought tolerant plants for a Poway landscape Garden
Drought resistant plants for San Diego landscape gardens
Drought in San Jose landscape gardens?
Drought resistant San Luis Obispo landscape gardens
Drougth resistant Santa Barbara landscape gardens
Drought resistant plants for_a Santa Monica landscape garden
Drought tolerant Thousand Oak gardens
Drought resistant plants for a Ventura or Oxnard landscape garden
Drought resistant plants for a Vista or San Marcos landscape garden
Drought resistant plants for a Yorba Linda landscape garden
What and why, drought resistant plant, drought tolerant plant