Lichens are everywhere
During this time of year, people often have questions about fuzzy or fluffy green things growing on trees or shrubs. What is being seen is a lichen.
Lichens are fairly diverse symbiotic organisms classified as a fungus. Typically, lichens will partner with algae or cyanobacterium. Algae will convert sunlight and carbon dioxide into food for the lichen, and the lichen protects the alga...
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