Scientists at the UK Centre for Ecology and Hydrology (UKCEH) have developed an app for researchers and keen lichen spotters ...

Beyond this, lichens are ecologically vital as biological indicators of air quality, providing an early warning of pollution ...

There are thousands of species of lichens that grow in many different forms. Some are flat and crusty, some have leaflike ...

What Is Oral Lichen Planus? Oral lichen planus is a long-lasting disease that affects your mouth, causing symptoms such as painful white patches, redness, and swelling. It doesn't go away, but you may ...

Lichen nitidus is an inflammatory condition that causes small, shiny bumps to develop on the skin. It rarely causes other symptoms and does not usually require treatment. The causes of lichen nitidus ...

Lichen planus is an inflammatory skin condition that causes a rash that is usually itchy. It consists of small, shiny, slightly raised, flat-topped bumps that can be pink or purple in color. Lichen ...

Oral lichen planus can cause white lesions to appear in your mouth, often on the insides of your cheeks. It may result from an infection, certain medications, or other health conditions. Lichen planus ...

Tiny life-forms with bright colors might point the way to big dinosaur bone discoveries. In the badlands of western Canada, two species of lichen prefer making their homes on dinosaur bones instead of ...

After the distraction of fall leaves has passed, don’t assume that your garden is dormant. It’s time to appreciate the beauty of lichen. By Margaret Roach What are lichens? They are neither plant nor ...

If you find a stripe-like rash on your child’s arm or leg, you might be concerned. But it might be a harmless rash called lichen striatus. This type of rash usually forms one or two lines of pink, ...

Lichen planus is a skin rash triggered by the immune system. It’s not currently known why this immune response occurs. There may be several contributing factors, and each case is different. Potential ...