Lasallia pustulata

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Lasallia pustulata is a species of lichen in the family Umbilicariaceae. It is the type species of its genus, Lasallia. It belongs to the Fungi kingdom, within the division Ascomycota, class Lecanoromycetes, and order Umbilicariales. The binomial name is Lasallia pustulata (L.) Mérat, 1821. It has several older names (synonyms), including Umbilicaria pustulata, Lecidea pustulata, Capnia pustulata, Gyrophora pustulata, Macrodictya pustulata, and Gyromium pustulatum.