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Introduction to Lichens

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Local lichen (Photo: Karen McDonald)

Lichen Basics

During the Winter and early Spring,  it's often hard to find anything that is green in this part of the Eastern US, outside of a few evergreen ferns, scattered cedar trees, and holly trees. However, there is still color in the woods, on the trunks of trees and on rocks, walls, and boulders. It comes from lichens.   Lichens are fascinating, because they look so simple and boring when you first see them, but if you dig just a bit deeper you'll find they're really quite amazing, so let's dig into lichenology.

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