Buellia disciformis var. reagens J.Steiner, 1909 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Diplotomma species Diplotomma venustum Name Homonyms Buellia disciformis var. reagens J.Steiner, 1909