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

Nature News: Squirrels aren't so bad after all Typical deciduous trees that lose their leaves every winter create a separation zone (abscission layer) between the leaf stem and the branch.

The fall colors in Colorado can vary depending on factors like tree species, health, weather, elevation and the environment.

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

IN THE GARDEN How to Read the Tree Leaves A little knowledge of botany can be helpful, even if you’re an amateur gardener. Here are a few things you should know about what happens in the fall.

The beech tree is one of the finest sights in British woodland: effortlessly tall and graceful, offering year-round colour in a hardy, native variety. We take a look at what you need to know about the ...

Why trees drop their leaves as a coping mechanism can be a result of moisture deficit and the effects of extreme heat, in some cases, according to a University of British Columbia forestry professor.

This guide helps you identify native and common Irish trees by their leaves, flowers, fruits, and shapes.

If you are looking for a tree to plant whose leaves turn color in Los Angeles when days shorten and temperatures cool, now is the time to visit a nursery and examine them personally. Even among ...

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… ...

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.