Cuscuta coryli

Cuscuta coryli, synonym Grammica coryli, common name hazel dodder, is a perennial plant in the Cuscutaceae family native to North America.

Conservation status in the United States
It is listed as a special concern and believed extirpated in Connecticut, as endangered and extirpated in Maryland, as endangered in Ohio, and as historical in Rhode Island.

As a noxious weed
The genus Cuscuta is listed as a noxious weed in Arizona, Arkansas, Massachusetts, Michigan, Oregon, and South Dakota. The genus is also listed as a noxious weed in Alabama, California, Florida, Minnesota, North Carolina, South Carolina, and Vermont, but native species are exempt from the noxious designation in those states.