Trees Resources & Links

Arboriculture sites
California Oak Foundation

International Society of Arboriculture

New Zealand Arboricultural Association Inc

The California Arborists Association

Western Chapter of I.S.A

General Tree Information

Atherton Tree Committee

Canopy (Palo Alto) Loads of educational information, good tree library

CityTrees.  Redwood City volunteer based non-profit for planting, pruning a tree education

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

Trees are good. Educational site developed by I.S.A for educating the general public

Pests, diseases and disorders

Girdling Roots

Oak Root Fungus

Pine Pitch Canker

Phytophthora Root Rot

Sudden Oak Death