Ferns and Fern-allies of Sikkim: A Pictorial Handbook
- Gangtok: Sikkim State Biodiversity Board, 2010.
- 207p.
1 How to understand Pteridophyte Plant 2.When and Where the Pteridophyte Grow 3.How to use this Manual 4.Pictorial Description of Ferns and Fern-allies 5.Precautions for Pteridophyte Collection 6.Threats and Conservation