It started with a tiny Scots pine growing out of a huge old birch, but soon I find more examples of this strange magic ...

The Cairo Fossil Forest is a unique collection of 385 million-year-old trees preserved in an abandoned quarry in upstate New York. The forest holds some of the oldest trees in the world, as well as ...

Do you know all the trees in your yard? As leaves emerge from buds very soon, I’d challenge you to identify your trees this year. Proper identification of trees is important so we can select the best ...

Defining the characteristics of individual leaves is part of tree morphology, or the study of the physiological structure of trees. All trees have a leaf structure that can be classified as either ...