Buellia polyspora (Willey) Vain. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Buellia species Buellia polyspora Name Synonyms ? polyspora Willey Buellia punctata var. polyspora (Willey) Fink Homonyms Buellia polyspora (Willey) Vain.