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

So often we choose a tree because of its flowers, leaves, fall color or its fruit. Often, we forget about the bark. However, on many trees, the bark is the most interesting part of the tree. This can ...

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 ...

The arboreal fungus appears on the branches of trees in the genus Prunus. In Minnesota, that means cherry and plum trees.

Once leaves drop from trees, splitting, peeling, bleached or oozing bark may become more noticeable. The cause can range from normal bark development to environmental causes or disease. If tree bark ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

Q: My mature loquat tree trunk is peeling and it is slowly creeping up into the branches. We had a wonderful crop of fruit from it this year so it did not affect the fruit, but I am fearful that it ...

Do you know how to tell the difference between a birch and a cherry tree? You might be barking up the wrong tree if you don’t know about lenticels. I have been ...