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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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Environmental Fact Sheet: Asian Clams in New Hampshire (2012) (PDF | 150 KB)
New Hampshire Department of Environmental Services.
See also: Exotic Species Program - Publications for more resources
Environmental Fact Sheet: Eurasian Milfoil (2010) (PDF | 374 KB)
New Hampshire Department of Environmental Services.
See also: Exotic Species Program - Publications for more resources
Environmental Fact Sheet: Purple Loosestrife: An Exotic Menace (2010) (PDF | 1.61 MB)
New Hampshire Department of Environmental Services.
See also: Exotic Species Program - Publications for more resources
Environmental Fact Sheet: Water Chestnut Discovered in New Hampshire Waters (2010) (PDF | 746 KB)
New Hampshire Department of Environmental Services.
See also: Exotic Species Program - Publications for more resources
Environmental Fact Sheet: Zebra Mussels (2010) (PDF | 87 KB)
New Hampshire Department of Environmental Services.
See also: Exotic Species Program - Publications for more resources
Exotic Aquatic Plants - The Frightful Fourteen (PDF | 584 KB)
New Hampshire Department of Environmental Services.
Exotic Species - Asian Carp
Great Lakes Fishery Commission. Fisheries Management.
Exotic Species: Common Teasel (2010)
DOI. NPS. Science of the American Southwest.
See also: Invasive Plant Species for more fact sheets
Exotic Species: Purple Loosestrife (2010)
DOI. NPS. Science of the American Southwest.
See also: Invasive Plant Species for more fact sheets.
Exotic Species: Purple Starthistle (2010)
See also: Invasive Plant Species for more fact sheets
See also: Fact Sheets for Invasive Exotic Plants for more fact sheets
Exotic Species: Scotch Broom (2010)
DOI. NPS. Science of the American Southwest.
See also: Invasive Plant Species for more fact sheets
Exotic Species: St. Johnswort (2010)
DOI. NPS. Science of the American Southwest.
See also: Invasive Plant Species for more fact sheets
Fact Sheet: Common Buckthorn (Rhamnus cathartica) (2014) (PDF | 224 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Garlic Mustard (Alliaria petiolata) (2014) (PDF | 257 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Giant Hogweed (Heracleum mantegazzianum) (2014) (PDF | 334 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Japanese Barberry (Berberis thunbergii) (2014) (PDF | 249 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Japanese Honeysuckle (Lonicera japonica) (2014) (PDF | 279 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Japanese Knotweed (Polygonum cuspidatum) (2014) (PDF | 237 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Japanese Stilt-Grass (Microstegium vimineum) (2014) (PDF | 283 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants
Fact Sheet: Mile-a-Minute Vine (Polygonum perfoliatum) (2014) (PDF | 206 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants