Hygrocybe olivaceoniger (Orton) Orton & Watling Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Hygrophoraceae genus Hygrocybe species Hygrocybe conica Name Homonyms Hygrocybe olivaceoniger (Orton) Orton & Watling