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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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Economic Impact of Invasive Species: Direct Costs Estimates and Economic Impacts for Washington State (Jan 2017) (PDF | 4.94 MB)

Washington State Recreation and Conservation Office. Washington Invasive Species Council.

See also: Economic Impact of Invasive Species to Washington State Fact Sheet (PDF | 205 KB)
Effect of Spiny Water Flea on Lake George
Lake George Association (New York).
Exotic Invasive Plants: Changing Our Natural Ecosystems
DOI. NPS. Point Reyes National Seashore.
Invasive Species and Fire in California Ecosystems (2010) (PDF | 227 KB)
California Native Plant Society.
In Fremontia, the journal of the California Native Plant Society.
Invasive Tree Pests - Thousand Cankers Disease
Missouri Department of Conservation.
See also: For more information about Invasive Tree Pests (insects and diseases) that are not native to Missouri
Mosquitoes and Disease
New York State Department of Health.
Non-Native Invasive Insects, Diseases Decreasing Carbon Stored in U.S. Forests (Aug 13, 2019)

USDA. FS. Northern Research Station.

In addition to cleaning the air and water, forests hold a tremendous amount of sequestered carbon. When trees die and then decay on the forest floor, that carbon is released into the atmosphere, a phenomenon that is one of the drivers of climate change. A first-of-its-kind study by a team that included the United States Department of Agriculture’s Forest Service and Purdue University scientists finds that non-native invasive insects and diseases are reducing the amount of carbon stored in trees across the United States. The study, “Biomass losses resulting from insect and disease invasions in USA forests,” is available at: https://www.nrs.fs.fed.us/pubs/58371.
Socio-Economic Impact: The Threat of Aquatic Invasive Species to the Great Lakes
Invasive Species Centre. Asian Carp Canada.
The Cost of Invasive Plants on California
California Invasive Plant Council.
The Costs of Aquatic Invasive Species to Great Lakes States (Sep 2016) (PDF | 1.20 MB)
 Anderson Economic Group.