A new study from Boston University researchers found that the city's oak trees have more pathogens and plant decomposers.

If you’ve walked by a cottonwood tree recently, you may have noticed that the leaves started turning and falling long before autumn started.

This leaf disease has been firmly established in Massachusetts, Rhode Island, and Connecticut and has spread north into New ...

An invasive fungal plant disease has been discovered on Long Island, its first appearance outside the South, the state Department of Environmental Conservation announced on Tuesday. Laurel wilt causes ...

Arborist Fred Breglia says various factors this spring and summer created the perfect conditions for fungi in trees and shrubs, particularly maples, lilacs and crabapples. People who own them should ...

Lichens are complex organisms, created by a mutually beneficial relationship between fungus and either algae or cyanobacteria. Lichens can display a wide variety of forms and colors, and you've ...

When visitors come to explore Great Smoky Mountains National Park, they have access to a wealth of knowledge highlighting the diversity of plants, animals, and ecosystems found in this special place.

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 ...

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 ...

Often mistaken for moss, lichens are actually quite different. Like mosses, lichens are found all over the world, with somewhere between 12-18,000 known varieties. The number is probably way more, as ...