Betula pubescens subsp. tortuosa
Systematics :
Kingdom: Plantae
Artificial group: Vascular plant (Tracheophytes)
Superphylum: Spermatophyte
Phylum: Magnoliophyta
Subclass: Magnoliidae
Family: Betulaceae
Genus: Birch (Betula)
Species: Downy Birch (Betula pubescens)
Subspecies: Betula pubescens subsp. tortuosa
Other names: fjellbjerk
Norwegian name: Fjellbjørk