Agaricus rigidus Bolton Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Agaricaceae genus Agaricus species Agaricus rigidus Name Homonyms Agaricus rigidus Bolton Agaricus rigidus Scop. Agaricus rigidus Lasch, 1829