For this week’s nature challenge:  Find some lichen.  What type is it?  Foliose, Fruticose, or Crustose?

This may be a bit difficult if you live in an urban area, so you will want to go somewhere a bit less developed.   Remember, lichen are very sensitive to pollution, but otherwise, they are found in every state, even on every continent.  

Challenge difficulty is rated as medium.

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