Q: The pictures are of a ginkgo tree that is completely covered with this fungus. It was also on our Encore azaleas and some older oak trees and other shrubs. We lost all our azaleas, some other ...

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...

Dear Roger: Enclosed you will find branches from my azaleas. All of them are covered with this black soot and lichens. How should I treat this? — Purdie Matthews., Fayetteville Dear Purdie: You didn’t ...

The unusual spring weather is causing all kinds of plant problems. One that has recently been brought to the attention of gardeners is azalea leaf gall. This plant disease is caused by an infection of ...

I get letters and the occasional phone call from people thinking that lichens are doing something bad to their apple tree azaleas, or camellia. When, in point of fact, they're harmless. Lichens are ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Washington, July 22 (efe_epa).Washington, July 22 (efe_epa). — The discovery of a new fungus requires rethinking about the nature of lichen. Until now it was believed that lichen is formed only by a ...

Up until 2016, lichen was thought to be a partnership between one alga and one fungus, the classic symbiotic relationship. Then came the observation than in fact lichen harbors two types of fungi—an ...