What am I going to do with these kids, I wondered. I had agreed to oversee an after-hours science club at a local elementary school to teach a bunch of third graders about ecology. I had been looking ...

The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquiries received through their Garden Hotline. Q: What are those blue-green growths on trees and ...

Editor’s note: This is the second in a three-part “What’s on my tree?” series about organisms that are commonly found growing on trees in Louisiana. Read the first part at https://www.lsuagcenter.com.

What am I going to do with these kids, I wondered. I had agreed to oversee an after-hours science club at a local elementary school to teach a bunch of third-graders about ecology. I had been looking ...

For thousands of years, lichens have quietly shaped Michigan’s landscapes—and their work is far from finished. I’m alone on a 2-billion-year-old basalt cliff among ancient living organisms that are ...

Gardeners and homeowners often contact our Horticulture Hotline at Cornell Cooperative Extension in Oriskany when they notice a grayish blue-green crusty or mossy looking growth on trees, shrubs, ...

NACOGDOCHES, Texas (KTRE) - Often, I get the inquiry about that “green and grey fungus that is killing my tree.” At this time of the year when most leaves are off trees and shrubs, these growths are ...

On a brisk Saturday morning at Bradbury Mountain State Park in Pownal, Maine, Park Ranger Jeff Pengel leads a nature walk he’s titled ‘EnLichenment’. And, puns aside, there’s a lot to see here, once ...

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: ...

Lichens are nearly everywhere — odd growths that appear as crusty patches and splotches on tree trunks, limbs, rocks, bare soil, stone walls, tombstones, wooden fences. Regardless, lichens often get ...