Q: A fungus-like growth is all over trees in the neighborhood. It’s a pastel blue-gray-green color, sometimes flat and sometimes frilly, and it coats much of the bark on some trunks. I worry urban ...

Algae, lichens and moss often form green or grey, powdery or mossy, crusty growths on the stems, branches and trunks of trees and shrubs. Pictured here, lichen and moss. This dreary "gray all day" ...

When people notice lichens on their trees, shrubs and other plants, they become concerned that they have problems. But they shouldn’t worry, says LSU AgCenter plant scientist Raj Singh. “Lichens are ...

Question: Please help! I just noticed that my wild plum tree in my backyard has some sort of fungus growing on it. Is there anything I can do, or is it diseased beyond repair? It was healthy this ...

Q: The pictures are of a ginkgo tree that is completely covered with this fungus. It was also on our Encore azaleas and some older oak trees and other shrubs. We lost all our azaleas, some other ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Once I got the last of the garden leeks harvested, I started paying ...

Last Saturday, we had our first snowfall signaling the arrival of winter and the end of the growing season. However, winter is the time when lichens really strut their stuff. Margaret Roach wrote in ...

What are lichens? They are neither plant nor animal. If that doesn’t make them inscrutable enough, there is also this: A lichen might, at first glance, be mistaken for an errant wad of chewing gum or ...

Found these guys growing on some very old firewood. Mushrooms? They’re stiff and short, like bristles. These are red cap lichen, commonly called British soldier lichen, because their red caps are ...

Santa Barbara Botanic Garden invites visitors to Join the Enlichenment, and discover a new interactive art exhibit that brings the quiet brilliance of lichens into focus through science, art, and ...