The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquiries received through their Garden Hotline. Q: What are those blue-green growths on trees and ...

I have been asked several times about the lichen that grows on trees and what it is, does it hurt the tree and how to get rid ...

DALLAS, Pa. — You see it everywhere, growing on the ground, on a tree even on your roof! It sometimes looks like strange green ruffes, scales or even stringy clumps. It is called lichen. Paul shares ...

It’s been estimated that some 20,000 species of lichens cover 6 to 8% of the planet’s land surfaces, even though referring to the existence of even one species of lichen is just plain crazy talk. In ...

Editor’s note: This is the second in a three-part “What’s on my tree?” series about organisms that are commonly found growing on trees in Louisiana. Read the first part at https://www.lsuagcenter.com.

Lichens, often mistaken for moss, are harmless organisms that grow on various surfaces, including trees. Annual cicadas, not periodical cicadas, are responsible for the cicada sounds heard in central ...

NACOGDOCHES, Texas (KTRE) - Often, I get the inquiry about that “green and grey fungus that is killing my tree.” At this time of the year when most leaves are off trees and shrubs, these growths are ...

If you come across a rock in its natural setting, you will likely find it covered by lichens, proof that nature is alive. What are lichens? Lichen is not a single organism, it is made up of two parts: ...

What could possibly be inspiring about that green stuff covering Oregon’s trees? What could possibly be inspiring about that green stuff covering Oregon’s trees? Lichen is a an ecological wonder that ...