Bathelium mastoideum Afzel. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Dothideomycetes order Trypetheliales family Trypetheliaceae genus Bathelium species Bathelium mastoideum Name Homonyms Bathelium mastoideum Afzel. ex Ach. Bathelium mastoideum Afzel.