Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.

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 ...

Bark textures are relatively uniform by tree species and make a great visual marker for broad tree identification. Textures are divided into at least 18 types, from smooth (beech) to spiny (locust).

Pine trees make needle drop easy to notice because they often have an open branching habit. Because pine needles grow — and fall — in bundles of two or more, the loss may be especially obvious.

Reporting from San Luis Obispo — Like a lot of trees on the Cal Poly campus here, the Cook pine was tall and beautiful but not especially remarkable. At least not at first glance. For the record ...

Longleaf pine was the dominant tree species in the Southeast when Europeans arrived in the New World. Its range covered more than 90 million acres from Virginia to Florida and then west to Texas.