Why do tree leaves turn darker in summer? - Discover Wildlife

As the seasons progress from spring to summer, the light green colouration of leaves darkens. Naturalist, broadcaster and wildlife detective Ed Drewitt explains why this occurs.

Autumn leaf color - Wikipedia

Leaf Identification Sheet - Identify Trees in Spring

Turning of the fagus, Unordinary Stories

How to identify autumn leaves - Discover Wildlife

Best trees for fall color: with beautiful foliage

Why do leaves change color in the fall?

Beech Leaf Disease at Cape Cod National Seashore (U.S. National Park Service)

Complete Guide to Alder Trees

Intense summer heat is wreaking havoc on many trees - Deseret News

Will This Green Mold (Lichens) Growing on My Tree Kill It, by Tree Removal Services

The tree-dwelling mammal with a surprisingly familiar scent, Magazine Articles

Gardenia Leaves Turning Brown

Early Leaf Color Change In Trees - Reasons For Leaves Changing Color Too Early

How to identify wild fruits - Discover Wildlife

Why do trees turn colors in the fall? - Gulo in Nature