| Kingdom: Fungi | 
| Phylum: Ascomycota | 
| Subphylum: Pezizomycotina | 
| Class: Sordariomycetes | 
| Subclass: Xylariomycetidae | 
| Order: Xylariales | 
| Family: Diatrypaceae | 
| Genus: Eutypella | 
| Subject: Eutypella parasitica R. W. Davidson & Lorentz | 
| Kingdom: Plantae | 
| Phylum: Magnoliophyta | 
| Class: Magnoliopsida | 
| Subclass: Rosidae | 
| Order: Sapindales | 
| Family: Sapindaceae | 
| Genus: Acer | 
| Subject: Acer saccharum Marshall |