Bactridium helvellae (Corda) Berk. & Broome Dataset GBIF Backbone Taxonomy Rank SPECIES Published in (1859). Ann. Mag. Nat. Hist., Ser. 3 3: 360. Classification kingdom Fungi phylum Ascomycota genus Didymopsis species Didymopsis helvellae Name Homonyms Bactridium helvellae (Corda) Berk. & Broome