Identify the type of pollination that is carried out in Vallisneria?

Explanation

**Step-by-Step Solution:**

1. **Understanding Pollination**: Pollination is the process of transferring pollen grains from the male reproductive part (anther) to the female reproductive part (stigma) of a flower.

2. **Types of Pollination**: There are several types of pollination, including:
- **Autogamy**: Self-pollination within the same flower.
- **Allogamy**: Cross-pollination between different flowers.
- **Anemophily**: Wind pollination.
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