Exidia glandulosa f. plana (Donk) Anon. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Auriculariales family Auriculariaceae genus Exidia species Exidia nigricans Name Homonyms Exidia glandulosa f. plana (Donk) Anon. Exidia glandulosa subsp. plana (F.H.Wigg.) Anon.