Phellinus igniarius f. crataegi J.W.Baxter Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Hymenochaetales family Hymenochaetaceae genus Phellinus species Phellinus pomaceus Name Homonyms Phellinus igniarius f. crataegi D.V.Baxter