California is home to 18 different oaks.
Oaks2040: The Status and Future of California Oaks (2006)"
in Cooperation with the California Oak Foundation
The California Oak Priority Index--A County
Summary ...as printed by the California Oak Foundation in its Winter
2001 Newsletter
Southern California Tree Mortality -- millions of dying trees!
Inventory of Oaks of California's National Forest Lands (November 2001) -- 433 million oak trees!
Sudden Oak Death Article by Tom Gaman (January 2001)
Sudden Oak Death Update (November 2006)
Oak Issues 2002--an October 2002 talk by Tom Gaman
Oak Issues (Link to the California Oak Foundation)
The Political Tree Disease--Sudden Oak Death--Dec. 2003
This is a great Valley Oak at Pozo, San Luis Obispo County, California