Mitrula pusilla (Alb. & Schwein.) Fr., 1818 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Hemiphacidiaceae genus Heyderia species Heyderia cucullata Name Homonyms Mitrula pusilla (Alb. & Schwein.) Fr. Mitrula pusilla Alb. & Schwein.