Amphoridium mastoideum A.Massal., 1855 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Eurotiomycetes order Verrucariales family Verrucariaceae genus Verrucaria species Verrucaria hochstetteri Name Homonyms Amphoridium mastoideum A.Massal., 1855