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