
Smooth Rock Tripe - Umbilicaria mammulata
Large, foliose lichen that was very pale green on top and black underneath.
*U. mammulata is one of the largest lichens in the world. The thallus can be up to 15cm in diameter.
Habitat: Covering rocks in a deciduous forest

''Umbilicaria mammulata'', or Smooth Rock Tripe, is a foliose lichen found on boulders and rock walls.
Similar species: Umbilicariales
By Christine Young
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Uploaded Mar 31, 2020. Captured Sep 21, 2019 10:11 in 91 Main St, Sharon, CT 06069, USA.
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