Drosophila silvestris Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Psathyrellaceae genus Cystoagaricus species Cystoagaricus populinus Name Homonyms Drosophila silvestris Basden, 1954 Drosophila silvestris (Perkins, 1910) Drosophila silvestris