Which one of the following is the first publication of Carolus Linnaeus?

Options

A. Systema Naturae
B. Classes Plantarum
C. Hortus Cliffortianus
D. Hortus Upplandicus

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for the first publication of Carolus Linnaeus among the given options.

2. **Identify the Options**: The options provided are:
- A) Hortus Applandicus
- B) Classus Plantarum
- C) Hortus Cliforentius
- D) Systema Naturae

3. **Research Carolus Linnaeus**: Carolus Linnaeus is known as the father of taxonomy. It is important to know his major works and their publication dates.

4. **Check the Publication Dates**:
- **Hortus Applandicus**: Published in 1730, this was Linnaeus's first publication.
- **Classus Plantarum**: This was published later and is not his first work.
- **Hortus Cliforentius**: Published in 1737, also not the first.
- **Systema Naturae**: Although a significant work, it was not his first publication.

5. **Conclusion**: Based on the research, the first publication of Carolus Linnaeus is **Hortus Applandicus**.

6. **Final Answer**: The correct answer is **A) Hortus Applandicus**.

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