Category:Threatened flora of the United States
- Threatened species of the {{C|Flora of the United States|flora of the United States}}.
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::::*Note: The {{C|Species by IUCN Red List category|International Union for Conservation of Nature (IUCN Red List) categories}} do not use threatened species as a single category, but for a group of three categories − Vulnerable species, Endangered species, and Critically endangered species − depending on degree of a species survival threats.
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