| 1. | Presence of vascular tissues |
| 2. | Dominant gametophyte phase |
| 3. | Multicellular sex organs |
| 4. | Requirement of water for sexual reproduction |
All the following pteriodophytes belong to the Class Pteropsida except:
1. Dryopteris
2. Pteris
3. Selaginella
4. Adiantum