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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: 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: 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
Fact Sheet: White Pine Blister Rust on Currants and Gooseberries
Ohio State University. Extension.
Factsheet: Asian Carp
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Asian Clam
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Chinese Mitten Crab
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Curly-leaf Pondweed
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Didymo
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Eurasian Ruffe
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Eurasian Watermilfoil
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Flathead Catfish
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Hydrilla (PDF | 416 KB)
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Japanese Knotweed
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: New Zealand Mudsnail
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Northern Snakehead
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Nutria
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Phragmites
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Round Goby
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
Factsheet: Rusty Crayfish
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information