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Umbilicaria mammulata

Common Name: Giant Rocktripe
Umbilicaria mammulata
Umbilicaria mammulata

Scientific Classification

Kingdom: Fungi
Phylum: Ascomycota
Class: Lecanoromycetes
Order: Umbilicariales
Family: Umbilicariaceae
Genus: Umbilicaria
Species: Umbilicaria mammulata

Conservation Status

Identifying Features

Giant rocktripe is between 2-5" wide and brown in color. Their underside is black. They are disk-like with folded and rippled sides. They are a leathery texture and are smooth and hard when dry. They have small hairs on the underside.

Habitat & Range

These lichen are found through the Northeastern US and Southeastern Canada. They live on rocks and boulders in open forests.

Life Cycle

Giant rocktripe can be found year-round and are photosynthetic.

Featured image by James Dake.


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