Gagnepain's barberry
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Ranunculales
- family: Berberidaceae
- genus: Berberis
- species: Berberis gagnepainii
- Kortrijk
- Kuurne
- Menen
- Scherpenheuvel-Zichem
Flanders
Belgium- France
- Göteborg
Västra Götaland
Sweden- Bayswater
- Chelsea
- Kensington
England
United Kingdom- Washington, D. C.
Washington, D.C.
United States