Tricholoma ustale (Fr.) Quel. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Tricholomataceae genus Tricholoma species Tricholoma ustale Name Homonyms Tricholoma ustale (Fr.) P.Kumm. Tricholoma ustale (Fr.) Quel.