Macrodiplodia ulmi Sacc. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in (1884). Syll. Fung. (Abellini) 3: 374. Classification kingdom Fungi phylum Ascomycota genus Macrodiplodia species Macrodiplodia ulmi Name Synonyms Coniothyrium ulmi Tassi Macroplodia ulmacea Kuntze Sphaeropsis karstenii Sacc. & P.Syd. Sphaeropsis ulmi P.Karst. Homonyms Macrodiplodia ulmi Sacc.