Those green-blue growths that you see on tree trunks and branches are not mosses. They are lichens. Lichens are not killing your tree, nor are they causing it to fail. They are telling you ...

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 ...

That green gunk, it’s called lichens, not mold, not tree rot. Lichens are remarkable, symbiotic organisms that consist of a partnership between a fungus and a photosynthetic partner, often an algae.

On the bark of my tree, I noticed grayish growth. I can peel this growth off easily. What is this growth and is it hurting my tree? I have been asked some form of this question in Possum’s, on ...

I love all seasons, but I need a little more of that winter bleakness in the woods, primarily to help me pursue my newest love: lichens. Right now, when the deciduous trees have all lost their ...

Discover how lichens grow on trees, rocks, and gravestones, their vital role in ecosystems, and tips for spotting them in ...

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 easier to see. The “fungus” ...

Another non-threatening growth you might find on your trees is something called lichen. Lichen is a curious organism because it exists as a combination of two unrelated organisms: an algae and a ...

For instance, what are those green masses growing on your trees? Those growths could be either lichens, moss or algae, and the good news is that none are cause for alarm. Because they usually grow ...

For instance, what are those green masses growing on your trees? Those growths could be either lichens, moss or algae, and the good news is that none are cause for alarm. Because they usually grow ...