Heracleum mantegazzianum

Characteristics
Apiaceae
Heracleum
Heracleum mantegazzianum Sommier & Levier
giant hogweed
Roadsides, farm yards, and old gardens. A huge plant. Where it is established it appears to be spreading readily As with some other members of the Apiaceae it causes a light induced dermatitis that can be severe.
Forb/herb
Perennial
Vascular
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Not Native Naturalized FAC (NWPL EMP) FAC (NWPL NCNE) SNA (State Rank) GNR (Global Rank)
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** Not applicable or data not available.
Classification
Eudicots
Apiales
Heracleum
Heracleum mantegazzianum Sommier & Levier - giant hogweed
Citation
Heracleum mantegazzianum Sommier & Levier
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** Not applicable or data not available.
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Source
Synonyms
Plant Photos
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Jul 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 23 May 2011 - 1
Photo by: Andrew Nelson. Photo taken: Oswego Co., NY: 23 May 2011 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Oswego Co., NY: 18 May 2010 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Oswego Co., NY: 18 May 2010 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Oswego Co., NY: 18 May 2010 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego. Photo taken: Oswego Co., NY: 18 May 2010 - Andrew Nelson View Full Size