Kingdom: Fungi |
Phylum: Ascomycota |
Subphylum: Pezizomycotina |
Class: Leotiomycetes |
Order: Helotiales |
Family: Dermateaceae |
Genus: Marssonina |
Subject: Marssonina betulae (Lib.) Magnus |
Kingdom: Plantae |
Phylum: Magnoliophyta |
Class: Magnoliopsida |
Subclass: Hamamelidae |
Order: Fagales |
Family: Betulaceae |
Genus: Betula |
Subject: Betula spp. L. |