Lichens are common, yet overlooked components of our forests and fields.  They break rock down into soil, stabilize bare soil, provide shelter for invertebrates, and many other things.  Join naturalist Tom Walker as we learn about these fascinating symbiotic organisms, often called little ecosystems.  

Please bring a hand lens if possible, if not one will be provided.

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Tom Walker is a graduate of the University of Amherst, Massachusetts with a B.S. in Wildlife and Fisheries Biology.  He had worked for the U.S. Forest Service and Bureau of Land Management, conducting wildlife surveys in Oregon, Washington, and California before returning to New England.  He has many natural history interests and has given presentations and led walks on lichens, fungi, bryophytes, woody plants, and dragonflies for several different organizations.  He currently works for the Provincetown Water Department.