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Project Noah Nature School
Umbilicaria mammulata
Large foliose lichen that was green on top and black underneath.
Growing on a mossy rock in a mixed forest.
U. mammulata is one of the largest lichens in the world. The thallus can be up to 15cm in diameter. The largest in this spotting was approximately 5cm.
Spotted on Oct 25, 2017
Submitted on Jan 24, 2018
1 Comment
A very interesting photo....