The next time you’re outside, take a close look at a few different trees. You will likely see several varieties of small structures on the bark that don’t seem to be part of the tree itself. Odds are, these are […]
lichens
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The next time you’re outside, take a close look at a few different trees. You will likely see several varieties of small structures on the bark that don’t seem to be part of the tree itself. Odds are, these are […]