root › cellular organisms › Eukaryota › Opisthokonta › Fungi › Dikarya › Ascomycota › saccharomyceta › Pezizomycotina › leotiomyceta › sordariomyceta › Sordariomycetes › Hypocreomycetidae › Hypocreales › Nectriaceae › Fusarium › Fusarium staphyleae species complex › Fusarium celtis-occidentalis