Calicium abietinum subsp. denigratum (Vain.) A.Zahlbr. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Calicium species Calicium denigratum Name Homonyms Calicium abietinum subsp. denigratum (Vain.) A.Zahlbr. Calicium abietinum var. denigratum (Vain.) Zahlbr., 1922