Beaked hazel
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fagales
- family: Betulaceae
- genus: Corylus
- species: Corylus cornuta
- Elk Point
Alberta- Bathurst
- Fredericton
New Brunswick
Canada- Göteborg
Västra Götaland
Sweden- Hendon
England
United Kingdom- Ben Lomond
- Boulder Creek
- Kentfield
- Ross
- San Francisco
California- Loveland
Colorado- Kennebunk
Maine- Arlington
- Marysville
- Olympia
- Seattle
- Snohomish
- Sultan
- White Salmon
Washington- Washington, D. C.
Washington, D.C.- Antigo
Wisconsin
United States