Agaricus pascuus var. costatus Fr. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Entolomataceae genus Entoloma species Entoloma costatum Name Homonyms Agaricus pascuus var. costatus Fr. Agaricus pascuus subsp. costatus Fr.