Trees Resources & Links

Arboriculture sites
California Oak Foundation
http://www.californiaoaks.org/

International Society of Arboriculture
http://isa-arbor.com

New Zealand Arboricultural Association Inc
http://www.nzarbor.org.nz/

The California Arborists Association
http://www.cal-arb-association.com/

Western Chapter of I.S.A
http://www.wcisa.net/

General Tree Information

Atherton Tree Committee
http://www.ci.atherton.ca.us/treecommittee.html

Canopy (Palo Alto) Loads of educational information, good tree library
http://canopy.org/

CityTrees.  Redwood City volunteer based non-profit for planting, pruning a tree education
http://www.citytrees.org/

Our City Forest. San Jose based non-profit for greening and cultivating a healthier urban environment in Santa Clara County
http://ourcityforest.org/

Trees are good. Educational site developed by I.S.A for educating the general public
http://www.treesaregood.org/

Pests, diseases and disorders

Girdling Roots
http://www.extension.umn.edu/distribution/naturalresources/components/7501_06.html

Oak Root Fungus
http://www.ipm.ucdavis.edu/PMG/GARDEN/PLANTS/DISEASES/armillariartrot.html

Pine Pitch Canker
http://www.frap.cdf.ca.gov/pitch_canker/

Phytophthora Root Rot
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn74133.html

Sudden Oak Death
http://nature.berkeley.edu/comtf/