'British soldier' lichen growing on rock. (Clay Wollney) For the most part, lichens growing on trees is a good thing, not harmful to the trees. However, weak or dying trees may have a lot of lichens, ...

The new genus Angiactis Aptroot & Sparrius is described, with three species, A. bermudensis LaGreca sp. nov. from Bermuda, A. littoralis (Kantvilas) Aptroot & Sparrius comb. nov. from Australia and A.

My tree has lost all its leaves and the bark now has some fungi growing on it? Is lichen killing my tree? Lichen (pronounced lie-ken) gets a bad rap based on its appearance alone. It has been on our ...

Now that the majority of our deciduous plants have dropped their leaves, you may notice gray growths on the trunks of some trees and shrubs in your landscape. Most likely, these are lichens, which, ...

Forecasters say its going to be a warm, sunny weekend. And if that gets you outside for a hike, pay a little extra attention to the rocks and tree trunks you pass. You might see a bunch of crusty ...

Editors note: Throughout the growing season, Mike Hogan, OSU Extension Educator for Agriculture & Natural Resources in Franklin County, will answer gardening questions submitted by Dispatch readers.

Dawn Brennan inspects the bark of a tree covered in several different lichens during a Lichen in the Winter World walk held by the Glacier Institute around Apgar in Glacier National Park on Saturday, ...

One morning recently, I slipped out on a small kayak into the sheltered bay of Glengarriff Harbour in Cork. As the American naturalist Henry David Thoreau would have said, it was a “good lichen day”: ...

65 million years ago, a meteor catastrophically changed our planet’s biodiversity. All non-avian dinosaurs went extinct. By some estimates, 15,000 teragrams (that’s equal to the mass of 10 million ...