resource links

tree maintenance

SelecTree
To help guide tree species selection

Quality Tree Selection
To help distinguish quality plant material available at a Nursery

Pesticide Toxicology Information
To help identify appropriate use of pesticides

CA Contractors State License Board
To check for active CA licensing

California Oak Foundation
A wealth of information about native California oaks, their status and protection. A good source of downloadable information, including Compatible Plants Under and Around Oaks, an excellent landscape guide

Forest Management

Sudden Oak Death, California Oak Mortality Task Force
The comprehensive central resource for SOD information, including maps of infection locations in the state

National Forest Service Library
Index of Natural Resource Publications

California Forest Pests Council
Fosters education concerning forest pests and forest health

Ancient Tree Database
A database of remarkable trees

National Forests in California
California's US Forest Service Information

California ReLeafAncient Tree Database
Grassroots efforts for planting and protecting California’s urban trees

Professional Tree Organizations

International Society of Arboriculture
To verify an Arborist's Certification

American Society of Consulting Arborists
Information about consulting arborists, to verify Registered Consulting Arborists

International Society of Arboriculture, Western Conference


Tree Care Industry Association
For advancement of tree care

California Urban Forest Council

Miscellaneous Interest

Knots by Grog
I love this one. For all who have learned to tie a bowline, now you can watch the Wabbit™ jump out of the hole, run around the tree and dive back into the hole

Tom Volk's Fungi
Excellent resource for all things fungal

California Wild Plants
Information on wild California plants for conservation, education, and appreciation

U.S. Department of Agriculture Plants Database
Standardized database of plants in the U.S.

Forestry Images
Photographs of forests, pests, diseases, & wildfire