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Giant Hogweed (Heracleum mantegazzianum Sommier & Levier)

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↑Range - Expand

LegendColor
Introduced
Introduced or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

• Giant Hogweed | Fire Effects Information System (FEIS) (About This Site)

• Heracleum mantegazzianum (Giant Hogweed) | USDA PLANTS Database (About This Site)

• Heracleum mantegazzianum | Go Botany (About This Site)

• Giant Hogweed | iNaturalist (About This Site)

• Heracleum mantegazzianum (Giant Hogweed) | Missouri Botanical Garden Plant Finder (About This Site)

• Heracleum mantegazzianum (giant hogweed) | CABI Invasive Species Compendium (About This Site)

• Heracleum mantegazzianum | Biota of North America Project (BONAP) (About This Site)

• Heracleum mantegazzianum | NatureServe Explorer (About This Site)

• Giant Hogweed | Maryland Biodiversity Project (About This Site)

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