Name two examples of heterosporous pteridophytes.

Explanation

To answer the question "Name two examples of heterosporous pteridophytes," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Classification**:
- Pteridophytes are a group of vascular plants that reproduce via spores and do not produce seeds. They belong to the kingdom Plantae and the division Pteridophyta.

2. **Know the Types of Spores**:
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