Hypoxylon variolosum Linnaeus, 1768 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Sordariomycetes order Xylariales family Hypoxylaceae genus Hypoxylon species Hypoxylon fragiforme Name Homonyms Hypoxylon variolosum (L.) J.Kickx f. Hypoxylon variolosum (L.) Keissl.