Celidium glaucomarium (Nyl.) Anon. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Arthoniaceae genus Arthonia species Arthonia varians Name Homonyms Celidium glaucomarium (Nyl.) Anon. Celidium glaucomarium (Nyl.) J.Steiner