Placographa petraea (Ach.) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Baeomycetales family Xylographaceae genus Lithographa species Lithographa tesserata Name Homonyms Placographa petraea (Ach.) Placographa petraea (Nyl.) Körb.