The U.S. National Herbarium is situated in

Options

A. Los Angeles
B. Hollywood
C. Washington
D. California

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the location of the U.S. National Herbarium.

2. **Definition of a Herbarium**: A herbarium is a collection of preserved plant specimens that are used for scientific study.

3. **Historical Context**: The U.S. National Herbarium was founded in 1848. This historical detail helps to understand its significance and longevity.

4. **Size and Importance**: It is one of the ten largest herbaria in the world, housing approximately 5 million preserved plant specimens. This indicates its importance in botanical research.

5. **Location**: The U.S. National Herbarium is housed at the Department of Botany, which is part of the Smithsonian Institution in Washington, D.C.

6. **Evaluating Options**: The options provided are:
- Los Angeles
- Hollywood
- Washington
- California

Based on the information gathered, the correct answer is Washington.

7. **Conclusion**: Therefore, the U.S. National Herbarium is situated in Washington, D.C.

**Final Answer**: Washington

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