A Voice from the Eastern Door

Giant Hogweed (Heracleum mantegazzianum) Poisonous Invader of the Northeast

NYSG Invasive Species Factsheet Series: 07-1

Charles R. O’Neill, Jr.

Invasive Species Specialist

New York Sea Grant

February 2007, Revised August 2009

New York’s Sea Grant Extension Program provides Equal Program and Equal Employment Opportunities in association with Cornell Cooperative Extensi...

 

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