Urban trees and plants do more than just beautify city landscapes. They purify the air, reduce urban heat islands, provide ...

Photos by Katie Finch Leaves are probably the most common feature used to identify trees. But in winter, when so many trees have dropped their leaves, combinations of other features are needed. The ...

Botanists also use the shape of lenticels to identify trees. Some trees, like cherry and birch, have really prominent lenticels, but most are invisible to the human eye. Even if you can’t see ...

The class will use images and live samples to help participants quickly identify Idaho's most common native trees, such as ponderosa pine, western larch, Douglas fir black cottonwood and more. " ...