Hope you find these links helpful:
Gardening Books
BBB Sellers - http://www.bbbsellers.com
Bookstore, art gallery, coffee shop and internet cafe'.
Seed Companies
Sierra Seed Supply - http://sierraseedsupply.com
Sierra Seed Supply collect and sell cleaned California native seed to individuals,
Foresters, native plant nurseries and seed companies worldwide.
Healthy Living
Winged Wildlife - http://www.kriswetherbee.com
Emphasis: Food, Garden & Healthy Living. Wrote book: "Attracting
birds, butterflies & other winged wonders to your backyard".
Wild California plants
If you are looking for the Calflora service "What Grows Here?", a web site you can use to obtain a list of wild plants that grow in your area, please visit http://www.calflora.org/wgh.html