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Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help
The United States Register of Introduced and Invasive Species ( US-RIIS ) serves as a national inventory for all non-native and invasive species that are established (naturally reproducing) within three localities of the United States: Alaska, Hawaii, and the conterminous (or lower 48) United States. See related resource: United States Register of Introduced and Invasive Species (US-RIIS)