Tricholoma saponaceum f. griseofolium Cetto Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Tricholomataceae genus Tricholoma species Tricholoma saponaceum Name Homonyms Tricholoma saponaceum f. griseofolium Cetto Tricholoma saponaceum f. griseofolium Cetto ex E.Ludw.