Respiratory roots are found in .......

Explanation

**Step-by-Step Solution:**

1. **Understanding Respiratory Roots:**
- Respiratory roots, also known as pneumatophores, are specialized roots that help plants obtain oxygen from the air, particularly in waterlogged or swampy environments.

2. **Habitat of Respiratory Roots:**
- These roots are typically found in swampy areas where the soil is saturated with water, making it difficult for plants to access oxygen from the soil.

...