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Country: United States (1776-present) (geographical region)
 Entity: 

Concise hierarchy

(Region) North America

Current position

North America (Region) Ref: CIA, 1994-2026: 27 May 2010.

Number of Subtaxa

2026 Available in Systema Naturae 2000 3183
2000 U.S. Census Bureau: [2] [4]
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Last updated: 28 Aug 2026