Flora/monograph provides information as to all the plants growing in an area.

Explanation

### Step-by-Step Solution:

1. **Understanding Flora and Fauna**: Flora refers to the plant life of a particular region, while fauna refers to the animal life. In any given area, the collective term for plants is called flora.

2. **Defining Flora**: Flora provides comprehensive information about all the plant species found in a specific area. This includes details about their characteristics, distribution, and ecological roles.

3. **Understanding Monograph**: A monograph is a detailed written study or account of a single subject or aspect of a subject, particularly in the context of taxonomy. It usually focuses on a specific group of organisms rather than all organisms in an area.

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