Cryptogamae
- In the plant kingdom, non-flowering plants or non-seed generating plants or spore producing plants are named as Cryptogams.
- Cryptogams are algae, bryophytes and pteridophytes.
- They are classified as cryptogams, because it is difficult to see their reproductive organs.
Final Answer: The plants with hidden reproductive organs are called cryptogamae. E.g. Fern.