| Achievements And Prospects In Pteridophytes | Prasher, I B & Ahluwalia, A S |
| Pteridophyta | Pooja |
| Pteridophyta | Singh, Sanjay Kumar |
| Ferns And Fern Allies Of Tripura North East India | Das, N C |
| Sharma, O P | |
| An Introduction To Pteridophyta | Rashid, A |
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