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U.S. Department of Agriculture
National Invasive Species Information Center
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Home » Resources » Invasive Species Resources » Search Help

Search Help

Invasive Species Resources includes all of NISIC's resources. Resources are listed alphabetically by title, and the listing can be filtered using refinements and/or by species name. 

Select terms in the "Refine Search" section on the left to filter resources and display information by Subject, Resource Type, Location, or Source.
  • The number included in parentheses indicates the number of resources for each term.
  • To refine a search, some terms can be further expanded. For example, Control and Management display related resources including -- Control Mechanisms, Cooperative Weed Management Area, Decision Support Tools, etc.
    • Select the desired term and additional terms will display if applicable indented.
    • The terms selected will display in black with an "x" after the term.
  • Multiple terms may be selected together in the same section and/or different sections (Subject, Resource Type, Location or Source).
  • Select the "x" to deselect any refinements or terms "You searched for" which are displayed below the search box.
  • You may also search for species-related resources by common or scientific name.
    • If you wish to search for species-related resources and use refinements, enter the species name first before selecting the terms.
Please note: Please use the "Search NISIC's site" search option located at the top of all site pages to search for keyword(s) or phrase to find information anywhere on NISIC's site.