Cystostereum subabruptum Bourdot & Galzin Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Cystostereaceae genus Crustomyces species Crustomyces subabruptus Name Homonyms Cystostereum subabruptum (Bourdot & Galzin) J.Erikss. & Ryvarden Cystostereum subabruptum Bourdot & Galzin