Kingdom: Fungi |
Phylum: Ascomycota |
Subphylum: Pezizomycotina |
Class: Sordariomycetes |
Subclass: Sordariomycetidae |
Order: Ophiostomatales |
Family: Ophiostomataceae |
Genus: Ophiostoma |
Subject: Ophiostoma ulmi (Buisman) Nannf. |
Kingdom: Plantae |
Phylum: Magnoliophyta |
Class: Magnoliopsida |
Subclass: Hamamelidae |
Order: Urticales |
Family: Ulmaceae |
Genus: Ulmus |
Subject: Ulmus spp. L. |