What are the universal rules of nomenclature ? What does ‘Linn.’ Refers to in Mangifera indica Linn ?

Explanation

### Step-by-Step Solution:

1. **Understanding Nomenclature**:
- Nomenclature refers to the system of naming organisms. It provides a standardized way to identify and classify living things.

2. **Types of Nomenclature**:
- There are two main types of nomenclature:
- **Binomial Nomenclature**: This system uses two names to identify an organism. The first name represents the genus, and the second name represents the species. For example, in *Mangifera indica*, *Mangifera* is the genus, and *indica* is the species.
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