A single stone may reveal the treasure in Oak Island’s legendary money pit. But it just keeps getting weirder.

Almost a third of oak species are threatened with extinction due to climate change, invasive pests, and habitat loss. In culture, the oak tree is a symbol of strength and serves as the national tree of many countries. In Indo-European and related religions, the oak is associated with thunder gods.

Oak, genus of about 450 species of trees and shrubs in the beech family (Fagaceae), distributed throughout the north temperate zone and at high altitudes in the tropics. Oak species are characterized by alternate, simple, deciduous or evergreen leaves with lobed, toothed, or entire margins.

A visual identification guide to oak trees, including pictures of oak leaves, bark, and acorns to assist you in identifying the correct type of oak tree.

Oak Harbor Freight Lines Inc (OHFL) is a highly respected leading west regional LTL carrier serving points throughout the States of Arizona, California, Idaho, Nevada, Oregon and Washington. With strategic partners Oak Harbor offers services throughout the United States and Canada for all your logistics and shipping needs.

In this guide, we’ll explore 58 common types of oak trees with detailed descriptions and identification tips. You’ll learn about their native regions, growth habits, leaf characteristics, and USDA hardiness zones.

When you plant an oak, you’re planting a tree that supports a diverse, complex web of life. Oaks are essential to the food web, attracting caterpillars that turn into pollinating moths and butterflies or become food for birds to feed their young.