A worldwide community photographing and learning about wildlife
Umbilicaria mammulata
Large foliose lichen that was greenish brown on top and black underneath.
Growing on a large rock among moss and other lichens in a deciduous 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 7cm.
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