Lichen Tuesdays!

Lichen

by Kim Traverse, PSMS  President

Lichen study might pass for exoteric if it weren’t that lichens are almost everywhere- on the sidewalks and streets we use daily, on the walls and trunks of trees that we walk past, clinging to the branches of those trees and on shrubs. From the shore to the top of mountain peaks, lichens coat the rocks and sometimes cover the ground. They are part of every ecosystem except the deep sea and can live in the harshest places on the planet- the driest, the coldest, the hottest- at least one grows underwater.

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