Add Yahoo as a preferred source to see more of our stories on Google. Jan. 19—Found on every continent, lichen is an extraordinary organism adapted to survive in every habitat except seawater. More ...

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.

'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, ...

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 ...

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”: ...

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: ...

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, ...

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 ...