Oak trees are a keystone species, - The Morton Arboretum

Oak trees are a keystone species, critical to the survival of entire ecosystems. As oaks decline, so can 500 species of birds, animals, and insects that

Oak: An Ecological Powerhouse

Oaktober: The Importance of Oak Trees - Nature's Perspective Landscaping

A New Center to Help Tree Species Survive

The Morton Arboretum Assesses U.S. Tree Genera at Risk – Center for Invasive Species Prevention

UC Davis Arboretum and Public Garden - Program for October 22

Ancient trees deemed vital to forest survival

UC Davis Arboretum and Public Garden - Program for October 22

Why We Need More Oaks

Morton Arboretum leads discovery of oak tree, thought to be extinct

The Morton Arboretum Assesses U.S. Tree Genera at Risk – Center for Invasive Species Prevention

Oak Ecosystems Focus Area - Chicago Wilderness

Conservation of threatened oaks in Mesoamerica - Fondation Franklinia

Vanishing Acts: Kentucky Trees of Concern: Oak Tree - Bernheim Arboretum and Research Forest