Psalliota bispora f. avellanea J.E.Lange ex Treschew, 1944 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Agaricaceae genus Agaricus species Agaricus bisporus Name Homonyms Psalliota bispora f. avellanea J.E.Lange ex Treschew, 1944 Psalliota bispora f. avellanea J.E.Lange Psalliota bispora subsp. avellanea (J.E.Lange) Treschew, 1944