Lichens are often overlooked, but we can learn so much from them! I have been constantly fascinated by this sometimes discrete, yet interesting organism. It’s found in every habitat on land — from the freezing arctic to the harsh desert. In fact, lichen is an important life form in these places where other plants struggle to survive. They provide food sources and create soil when breaking down rock and trapping nutrients or water. Lichens are a prime example of a symbiotic, or mutually-beneficia

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What Are Those Green Patches on My Tree? Understanding Lichens