Omphalia marginella (Pers.) Joss. & Maire, 1931 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Marasmiaceae genus Hydropus species Hydropus marginellus Name Homonyms Omphalia marginella (Pers.) Joss. & Maire