Q. We have a pin oak tree that is approximately 30 feet tall. On the north-facing side of the tree there are many wilted leaves, and there are many balls of strange growth. Pictures of the leaves and ...

Originally published on stacker.com, part of the BLOX Digital Content Exchange.

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee gives tips on how to identify two species – honey locust and bur oak – from just the markings and scarring on leafless twigs.

I participated in the Trek Across Maine this past weekend – a bike trip across Maine that raises money for the American Lung Association. At one point, while lying in the grass on the side of the road ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Stacker used information from forestry and landscaping sites to compile a quiz to identify trees by looking at their leaves.