Physisporinus rivulosus Berk. & M.A.Curtis Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Gelatoporiaceae genus Obba species Obba rivulosa Name Homonyms Physisporinus rivulosus (Berk. & M.A.Curtis) Ryvarden Physisporinus rivulosus Berk. & M.A.Curtis