Siberian filbert
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fagales
- family: Betulaceae
- genus: Corylus
- species: Corylus heterophylla
Shaijing
Gansu
China
Göteborg
Västra Götaland
Sweden
Wethersfield
Connecticut
United States