Which one of the following is called maiden - hair fern?

Options

A. Dryopteris
B. Pteris
C. Adiantum
D. Lycopodium

Answer

To determine which of the given options is called the maiden-hair fern, we can follow these steps:

### Step 1: Identify the Options
The options provided are:
1. Dryopteris
2. Teres
3. Adiantum
4. Lycopodium

### Step 2: Understand the Characteristics of Maiden-hair Fern
The maiden-hair fern is known scientifically as Adiantum. It is characterized by its delicate appearance and distinctive fan-shaped leaf segments.

### Step 3: Analyze Each Option
- **Dryopteris**: This is a genus of ferns but is not known as maiden-hair fern.
- **Teres**: This is not a commonly recognized name for any fern.
- **Adiantum**: This is the correct name for maiden-hair fern, known for its delicate and fan-shaped leaves.
- **Lycopodium**: This is a genus of clubmosses, not ferns.

### Step 4: Conclusion
Based on the characteristics and the analysis of the options, the correct answer is **Adiantum**, which is commonly referred to as the maiden-hair fern.

### Final Answer
**Adiantum** is called the maiden-hair fern.

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