Knowing the names and stories of trees can add a whole new layer to your hikes. Here are eight that you might spot on ...

The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” ...

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 ...

First detected in the U.S. in Dallas in 2004, crape myrtle bark scale is a sucking insect that feeds on the sap of plants. It excretes a sugary solution known as “honeydew,” like what is ...

This process cleanses the tree of pollution that has been stored in the outer bark. The plane tree is monoecious ... a key characteristic that occurs only in this species and helps with identification ...