Cryptococcus laurentii f. ater Castell. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Tremellomycetes order Filobasidiales family Filobasidiaceae genus Filobasidium species Filobasidium magnum Name Homonyms Cryptococcus laurentii f. ater Castell. ex W.B.Cooke Cryptococcus laurentii f. ater Castell.