buttercup winter-hazel
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Saxifragales
- family: Hamamelidaceae
- genus: Corylopsis
- species: Corylopsis pauciflora
Göteborg
Västra Götaland
SwedenJamaica Plain
MassachusettsWashington, D. C.
Washington, D.C.
United States