Calicium viridulum Schaer., 1833 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Caliciales family Caliciaceae genus Calicium species Calicium lucidum Name Homonyms Calicium viridulum (Ach.) Fr. Calicium viridulum Schaer., 1833