DistributionRead full entry
Corylus cornuta is native to southern Canada and the United States. It occurs from British Columbia east to Newfoundland and south to California, Colorado, Mississippi, and South Carolina [88,170]. Flora of North America provides a distributional map of Corylus cornuta and its subspecies.
Beaked hazelnut occurs contiguously from north-central British Columbia east to Newfoundland and south to North Dakota, Iowa, Michigan, Alabama, and South Carolina. Disjunct populations occur in eastern Washington, northern Idaho and western Montana, northeastern Wyoming, west-central South Dakota, and north-central Colorado [88,171]. Beaked hazelnut is rare in Illinois and extirpated in Ohio .