Name any two means used for taxonomial studies which comprise of recorded descriptions of plants and animals without any kind of their specimens.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for two means used in taxonomical studies that consist of recorded descriptions of plants and animals, specifically without the inclusion of physical specimens.

2. **Identifying Relevant Terms**: The terms related to taxonomical studies include flora, manuals, monographs, and catalogs. These are all forms of recorded descriptions.

3. **Selecting Two Means**:
- The first means is **Flora**: This refers to a comprehensive description of the plant species in a particular region or environment. It provides information about the plants' characteristics, habitat, and distribution.
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