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Project Noah Nature School
Umbilicaria mammulata
Large foliose lichen that was greenish brown on top and black underneath. They ranged in size from 5-10 cm.
Growing on a large rock among moss in a mixed forest.
This species 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 10cm.
Spotted on Dec 2, 2017
Submitted on Dec 30, 2017
1 Comment
I was told that the brown zigzags might be damage caused by slugs...Can anyone confirm this? I haven't been able to find any info about it so far.