Answer: That orange growth is lichen, not a rust pathogen. Lichen do not harm the tree or shrub in any way. They tend to grow only on that outer bark and stay there, not growing deeper into live ...

Colorful lichen living on dinosaur bones reflect infrared light that can be detected by drones, which might lead to finds in remote areas.

As the early morning sunlight lasers over the horizon, autumn tumbles in amid flurries of fluttering leaves, glowing golden, orange-y, and scarlet. Fall has arrived, yet the weather remains quite warm ...

Two temperate foliose lichen species, Parmelia sulcata and Physcia adscendens, were grown outdoors on plastic cover slips to characterize development and study the environmental conditions suitable ...

When people notice lichens on their trees, shrubs and other plants, they become concerned that they have problems. But they shouldn’t worry, says LSU AgCenter plant scientist Raj Singh. “Lichens are ...

Q: I have planted quite a few sugar maples on my property. I am concerned that some of them have a disease. They have a kind of gray scaly patches growing on the trunks were the branches join in. If I ...

A flash of bright orange on a rocky outcrop might not look like much, but for paleontologists it could be a beacon pointing ...

Last Saturday, we had our first snowfall signaling the arrival of winter and the end of the growing season. However, winter is the time when lichens really strut their stuff. Margaret Roach wrote in ...

I took a rather harrowing walk out back on Sunday. Snow squalls were threatening and the wind was tossing the tops of the giant spruce, hemlock and pine back and forth. Occasionally branches would ...

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