Oyama magnolia
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Magnoliales
- family: Magnoliaceae
- genus: Magnolia
- species: Magnolia sieboldii
- Luxembourg
Bergshamra- Djursholm
Stockholm- Göteborg
Västra Götaland
Sweden
Redange-sur-Attert