Identifying trees in winter doesn’t stop at bark and buds. In this second part, we explore additional features and techniques ...

If you've ever wondered what type of tree was nearby but didn't have a guide book, a new smartphone app allows users with no formal training to satisfy their curiosity and contribute to science at the ...

Columbia University, the University of Maryland and the Smithsonian Institution have pooled their expertise to create the world’s first plant identification mobile app using visual search—Leafsnap.

Every species of tree has unique characteristics, from its bark to its leaves, that you can use as clues to identify it—without using the internet. Beyond using this knowledge as a party trick to ...

The "tree doctor" is not only in — he's online. Scott Wade, 52, is a certified arborist who created the website Champion Trees of Pennsylvania to keep documentation of the biggest trees in the state ...

Not all the trees in this guide are native to Ireland, but most are. Our island has a small suite of native trees compared with continental Europe. The meticulous classification of each species in the ...