| Kingdom: Fungi |
| Phylum: Ascomycota |
| Subphylum: Pezizomycotina |
| Class: Leotiomycetes |
| Subclass: Leotiomycetidae |
| Order: Rhytismatales |
| Family: Rhytismataceae |
| Genus: Virgella |
| Subject: Virgella robusta (Tubeuf) Darker |
| Kingdom: Plantae |
| Phylum: Coniferophyta |
| Class: Pinopsida |
| Order: Pinales |
| Family: Pinaceae |
| Genus: Abies |
| Subject: Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. |