Cortinarius tophaceus f. subfibrosus Britzelm. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Cortinariaceae genus Aureonarius species Aureonarius tofaceus Name Homonyms Cortinarius tophaceus f. subfibrosus Britzelm.