Collybia atrata var. ambusta (Fr.) Quél. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Lyophyllaceae genus Tephrocybe species Tephrocybe ambusta Name Homonyms Collybia atrata var. ambusta (Fr.) Quél. Collybia atrata var. ambusta (Fr.) Costantin & L.M.Dufour