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#1 Federal
United States Register of Introduced and Invasive Species (US-RIIS) (ver. 2.0, November 2022)
- Organization: Department of the Interior
- Dataset Last Updated: July 21, 2026 at 12:00 AM
Introduced (non-native) species that become established may eventually become invasive, so tracking all introduced species provides a baseline for effective modeling of species trends and...
- xml
- xml
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 01, 2026 at 03:42 AM

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