| Kingdom: Fungi |
| Phylum: Ascomycota |
| Subphylum: Pezizomycotina |
| Class: Sordariomycetes |
| Subclass: Sordariomycetidae |
| Order: Diaporthales |
| Family: Diaporthaceae |
| Genus: Phomopsis |
| Subject: Phomopsis spp. (Sacc.) Bubák |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Rosidae |
| Order: Sapindales |
| Family: Sapindaceae |
| Genus: Acer |
| Subject: Acer palmatum Thunb. |