Lecidea disciformis var. cinereoferruginea C.Knight Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Buellia species Buellia disciformis Name Homonyms Lecidea disciformis var. cinereoferruginea C.Knight Lecidea disciformis var. cinereoferruginea C.Knight ex Shirley