Xerula nigra var. renati Clémençon Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Physalacriaceae genus Paraxerula species Paraxerula caussei Name Homonyms Xerula nigra var. renati (Clémençon) Dörfelt Xerula nigra var. renati Clémençon