Chiodecton graphidioides Leight. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Roccellaceae genus Schismatomma species Schismatomma graphidioides Name Homonyms Chiodecton graphidioides Leight. Chiodecton graphidioides Leight. ex Lettau