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Quercus robur - Wikipedia
English oak - The Morton Arboretum
English oak | Description, Tree, Leaf, Wood, & Facts | Britannica
English Oak (Quercus robur) - British Trees - Woodland Trust
English Oak | The Wood Database (Hardwood)
English Oak Tree - All you need to know - Tree Secrets
Quercus robur (Common Oak, English Oak, European Oak, French Oak …
Common Oak, English Oak (Quercus robur) Growing & Care …
English oak - The Wildlife Trusts
Oak | Tree species - Forestry England