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National Invasive Species Information Center
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Invasive Species Resources

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Citrus Huanglongbing: Understanding the Vector-Pathogen Interaction for Disease Management (Dec 2007)
American Phytopathological Society.
Denying Entry: Opportunities to Build Capacity to Prevent the Introduction of Invasive Species and Improve Biosecurity at US Ports (2007)
International Union for Conservation of Nature.
The aim of this report was to identify the resources, strategies, and policies necessary to create, maintain, and make accessible one or more commodity/invasive species databases that EPA and other relevant agencies can apply to trade policy decision-making in a timely and scientifically-based manner.
Don't Move Firewood - Blog
Nature Conservancy. Don't Move Firewood.
Marine Debris as a Potential Pathway for Invasive Species (2017)
DOC. NOAA. Marine Debris Program.
There is mounting concern over the increase in debris in our ocean and the potential for that debris to assist in the spread of non-native species. While the pathways associated with global shipping draw the greatest amount of attention regarding marine invasives, the purpose of this paper is to consider the potential role that marine debris may play in introducing non-native species that may become invasive. This report reviews the scientific literature that exists on the subject and identifies areas where more research is needed.
Neighborhood Watch: Early Detection and Rapid Response to Biological Invasion along U.S. Trade Pathways (2009)

International Union for Conservation of Nature.

This report offers recommendations to improve biosecurity measures at U.S. ports, as well as a possible funding mechanism based upon the polluter-pays principle.
Plant Pest and Disease Program: Plant Disease - Thousand Cankers Disease
USDA. Animal and Plant Health Inspection Service.
Training and Implementation Guide for Pathway Definition, Risk Analysis and Risk Prioritization (Jan 2007) (PDF | 1.4 MB)
Aquatic Nuisiance Species Task Force.

The purpose of pathway risk analysis is to provide scientific analyses and policy recommendations in support of U.S. National Invasive Species Council’s Management Plan. Developed jointly by the Aquatic Nuisance Species Task Force (ANSTF) and National Invasive Species Council (NISC) Prevention Committee via the Pathways Work Team.

Note: This guide only applies to existing unintentional, man-made pathways