Learn how to spot the most common North American trees with pictures and tips for identifying leaves and needles.

Learn about simple and compound tree leaves, including the different types of compound leaves and how to differentiate these leaf categories.

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.

DENVER — As you travel around Colorado to catch the best fall colors, this leaf guide will help you identify the trees that help make our state so colorful in autumn. Look though the galley t… ...

Why are the leaves on the tallest trees all about the same size, and why aren’t those tall trees even taller? It all has to do with basic scientific principles at work in nature, according to ...

Trees provide many environmental, economic and social benefits. They add aesthetic appeal, soften the harsh lines of ...

Leaves dropped in autumn by other deciduous trees may get washed away by winter precipitation before they can decay and add nutrients to the forest floor.

There are rules and responsibilities in CA when it comes to dealing with your neighbor’s trees dropping branches and leaves on your property.

There's a good chance some of your trees are bare, but others are still full of leaves.

Here's what you can do if your neighbor's leaves keep dropping on your property this fall. Who has to clean up leaves from a neighbor's tree?

Free iPhone App Identifies Tree Leaves By Mark Brown, Wired UK A new iPhone app called LeafSnap is a field guide for tech-friendly naturalists.