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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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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 African Land Snail
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Giant Hogweed
Massachusetts Introduced Pests Outreach Project.
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: Hydrilla
Massachusetts Introduced Pests Outreach Project.
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: Light Brown Apple Moth
Massachusetts Introduced Pests Outreach Project.
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
Fact Sheet: Mile-A-Minute Weed
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Multiflora Rose (Rosa multiflora) (2014) (PDF | 222 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: Oriental Bittersweet (Celastrus orbiculatus) (2014) (PDF | 227 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: Pine Shoot Beetle
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Plum Pox Virus
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Sirex Woodwasp
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Spotted Lanternfly
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Sudden Oak Death
Massachusetts Introduced Pests Outreach Project.
Fact Sheet: Tree of Heaven (Ailanthus altissima) (2014) (PDF | 238 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