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Smooth Rock Tripe Large foliose lichen that was 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. The largest in this spotting was approximately 5cm. Fall,Geotagged,Smooth Rock Tripe,Umbilicaria mammulata,United States,lichen,tripe Click/tap to enlarge PromotedSpecies introCountry intro

Smooth Rock Tripe

Large foliose lichen that was 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. The largest in this spotting was approximately 5cm.

    comments (2)

  1. I've never lichen this large! Posted 3 years ago
    1. It gets really big! And, it turns brown when the weather gets dry. Posted 3 years ago

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''Umbilicaria mammulata'', or Smooth Rock Tripe, is a foliose lichen found on boulders and rock walls.

Similar species: Umbilicariales
Species identified by Christine Young
View Christine Young's profile

By Christine Young

All rights reserved
Uploaded Feb 3, 2018. Captured Oct 25, 2017 14:39 in 80 Main St, Sharon, CT 06069, USA.
  • Canon EOS 60D
  • f/5.0
  • 1/64s
  • ISO400
  • 100mm