Ophiostoma clavatum Math. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Sordariomycetes order Ophiostomatales family Ophiostomataceae genus Ophiostoma species Ophiostoma clavatum Name Homonyms Ophiostoma clavatum Math.-Käärik Ophiostoma clavatum Math.