Buellia disciformis f. microspora (Vain.) Zahlbr., 1931 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Pyxine species Pyxine pyxinoides Name Homonyms Buellia disciformis f. microspora (Vain.) B.de Lesd., 1929