Agaricus campestris L. ex Fr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Agaricaceae genus Agaricus species Agaricus campestris Name Homonyms Agaricus campestris L. Agaricus campestris Scop. Agaricus campestris L. ex Fr.