DALLAS, Pa. — You see it everywhere, growing on the ground, on a tree even on your roof! It sometimes looks like strange green ruffes, scales or even stringy clumps. It is called lichen. Paul shares ...

Lichen sclerosus is a skin condition that can increase your risk of cancer. It’s not a type of cancer on its own, but treating this condition can help you prevent vulvar cancer. Lichen sclerosus ...

I thought I had thrush and tried to treat it with over-the-counter medicine. After seeing a doctor and explaining my symptoms, I was diagnosed with lichen sclerosus. I had never heard of the condition ...

Lichen planus is more of a chronic discomfort than a serious health concern. However, people with the oral form have a slightly higher risk of developing oral cancer. Lichen planus is a group of ...

The author’s admiration of the hardy plant life spreading across the roof turns to alarm when the true nature of the growth is revealed.

I spoke to a homeowner recently who asked if a gray moss-like growth on limbs and twigs on their trees and shrubs was the primary reason for their decline. Trees and shrubs, however frequently have ...

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: ...

What could possibly be inspiring about that green stuff covering Oregon’s trees? What could possibly be inspiring about that green stuff covering Oregon’s trees? Lichen is a an ecological wonder that ...

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, ...