? ambiguum Ach. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Diplotomma species Diplotomma alboatrum Name Homonyms ? ambiguum Pax ? ambiguum Ach. ? ambiguum Brandt, 1872 ? ambiguum Fucini, 1900 ? ambiguum Gaudry, 1890 ? ambiguum Walcott, 1884