Tephrocybe protracta (Britzelm.) Raithelh. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Lyophyllaceae genus Lyophyllum species Lyophyllum admissum Name Homonyms Tephrocybe protracta (Britzelm.) Raithelh.