? incana Stirt. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Physciaceae genus Heterodermia species Heterodermia incana Name Homonyms ? incana L. ? incana Naudin ? incana Stirt. ? incana W.D.J.Koch ? incana Lund, 1840