Umbilicaria mammulata

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Common Name Smooth Rocktripe Lichen; Common Rocktripe; Monumental Rocktripe Lichen
Family Umbilicariaceae
Genus Umbilicaria
Species mammulata
Authority
Synonyms Gyrophora mammulata; Gyrophora dillenii; Gyrophora cirrhosa var. mammulata
Comments U. mammulata is one of the largest lichens in the world in terms of mass and diameter.
Location Found Kawartha Lakes, ON
Growth Structure Foliose
Environmental Monitoring It is an indicator species of acid rain in the environment.
References Brodo et al, 2001.; International Mycological Association, 2016.; Newmaster & Ragupathy, 2012.; Thormann, 2006.