Collema fasciculare (L.) Weber Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Arctomiales family Arctomiaceae genus Arctomia species Arctomia fascicularis Name Homonyms Collema fasciculare (L.) Weber ex F.H.Wigg. Collema fasciculare (L.) Weber Collema fasciculare Leight.