U.S. Register of Introduced and Invasive Species (US-RISS) Story Map | National Invasive Species Information Center

DOI. United States Geological Survey.

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)