Naemacyclus niveus (Pers.) Fuckel Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Chaetomellales family Marthamycetaceae genus Cyclaneusma species Cyclaneusma niveum Name Homonyms Naemacyclus niveus (Pers.) Fuckel ex Sacc. Naemacyclus niveus (Pers.) Fuckel