State Government
Giant Hogweed - Pest Alert
Massachusetts Department of Agricultural Resources.
Identification/Description; Photographs; Impacts; Distribution
Giant Hogweed (PDF | 766 KB)
Michigan Department of Agriculture.
Identification/Description; Photographs; Impacts; Life Cycle; Distribution; Controls
Giant Hogweed
Oregon Department of Agriculture. Noxious Weed Control Program.
Identification/Description; Photographs; Impacts
Giant Hogweed - Animal and Plant Health
Pennsylvania Department of Agriculture. Plant Industry.
Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Distribution; Legal Aspects
Giant Hogweed Identification
State of Washington. King County Department of Natural Resources. Water and Land Resources Division.
Identification/Description; Photographs; Introduction History
Giant Hogweed
Washington State Department of Ecology. Water Quality Program.
Identification/Description; Photographs; Impacts; Life Cycle; Habitat; Distribution; Controls; Special Note: References
Giant Hogweed
Washington State Noxious Weed Control Board.
Identification/Description; Photographs; Introduction History; Life Cycle; Habitat; Distribution; Controls; Special Note: References
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