Which bryophyta is known as Peat moss ?

Options

A. Riccia
B. Riella
C. Sphagnum
D. Marchantia

Answer

To answer the question "Which bryophyta is known as Peat moss?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Bryophyta**:
- Bryophyta is a division of non-vascular plants that includes mosses, liverworts, and hornworts. They are typically found in moist environments and play a significant role in the ecosystem.

2. **Identifying Peat Moss**:
- Peat moss is a type of moss that accumulates in waterlogged conditions, leading to the formation of peat. Peat is an important material used as a fuel and in gardening.

3. **Recognizing the Specific Type of Moss**:
- The specific bryophyte known as peat moss is **Sphagnum**. This genus of moss is known for its ability to retain water and its role in forming peat.

4. **Eliminating Incorrect Options**:
- Other options mentioned such as Riccia, Riella, and Marchantia are not classified as peat moss. Riccia and Riella are types of liverworts, while Marchantia is also a liverwort.

5. **Final Answer**:
- Therefore, the bryophyta known as peat moss is **Sphagnum**.