Ecology and Management of Giant Hogweed (Heracleum Mantegazziannum) - M. Cock, W. Nentwig, H.P. Ravn, M. Wade - Google Books

https://books.google.de/books?id=0yB0oz2uLFMC&dq=Heracleum+mantegazzianum+in+its+Primary+Distribution+Range&hl=de&source=gbs_nav

The Giant Hogweed Heracleum mantegazzianum is a pernicious invasive species, with significant impact on human health due to its phytoxic sap. From its native area, the Caucasus, it has spread across Europe creating serious environmental and health…