Clavaria argillacea f. obtusata (Boud.) J.Favre Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Clavariaceae genus Clavaria species Clavaria obtusata Name Homonyms Clavaria argillacea f. obtusata (Boud.) J.Favre Clavaria argillacea var. obtusata Favre