| Kingdom: Fungi |
| Phylum: Ascomycota |
| Subphylum: Pezizomycotina |
| Class: Dothideomycetes |
| Subclass: Dothideomycetidae |
| Order: Capnodiales |
| Family: Mycosphaerellaceae |
| Genus: Septoria |
| Subject: Septoria spp. Sacc. |
| Kingdom: Plantae |
| Phylum: Coniferophyta |
| Class: Pinopsida |
| Order: Pinales |
| Family: Pinaceae |
| Genus: Pinus |
| Subject: Pinus strobus L. |