The presence of lichen or moss on backyard trees can understandably be concerning at first. Lichen is a combination of algae and fungus that lives on any number of solid, undisturbed surfaces, ...

Q: There are greenish-gray patches all over the trees in our woods. I’ve heard people talk about lichen and moss killing trees and many of our trees do not look healthy. Do I need to be worried? - ...

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are ...

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are ...

We just moved to Jacksonville from up north and I want to know if Spanish moss is harming my oak trees. There is also some kind of gray-green moss growing on the trunks. Let’s talk about Spanish moss ...

What came first, the dying branches or the ball moss? A number of gardeners credit the ball moss seen on declining live oak branches as the cause of the decline. The truth is that the ball moss is on ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. This week, we answer three questions about moss. Editor's Note: A previous ...

We often see what we think of as moss growing among tree branches, or we see a crusty, colored coating on the bark of trees or rocks. Sometimes we notice a greenish velvet carpeting on rocks, walls or ...

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