Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

American beeches have been suffering recently from a disease widespread in both Connecticut landscapes and forests.

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that ...

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave ...