| Kingdom: Fungi |
| Phylum: Ascomycota |
| Class: Incertae sedis |
| Order: Incertae sedis |
| Family: Incertae sedis |
| Genus: Ascochyta |
| Subject: Ascochyta fungi |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Order: Scrophulariales |
| Family: Oleaceae |
| Genus: Syringa |
| Subject: Syringa spp. |