Urceolella spireae (Roberge ex Desm.) Boud. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Pezizellaceae genus Calycellina species Calycellina spireae Name Homonyms Urceolella spireae (Roberge ex Desm.) Boud.