Psalliota hortensis subsp. avellanea J.E.Lange, 1939 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Agaricaceae genus Agaricus species Agaricus campestris Name Homonyms Psalliota hortensis f. avellanea J.E.Lange, 1939 Psalliota hortensis subsp. avellanea J.E.Lange, 1939