Lichens are likable

Lichens are likable

Now that the majority of our deciduous plants have dropped their leaves, you may have noticed the gray coloring on the trunks of some trees and shrubs in your landscape. When trunks and branches become bare, these gray areas become evident and may worry even the most avid gardeners.

No need for concern. Most likely, these are lichens — likable, harmless organisms.

You might ask yourself: What is a lichen? They are very interesting (and beautiful, in my humble opinion) organisms found in every ecosystem on Earth. Lichens grow in deserts, urban landscapes, tropical rainforests and even tundras.

 

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