TY  - BOOK
AU  - Sharma, O P.,
TI  - Pteridophyta
SN  - 9781259003349
U1  - 587 
PY  - 2017///
CY  - New Delhi.
PB  - McGraw Hill Educations
N1  - Bio-Technology; Contents
Introduction
2. Development of Pteridology in India
3. Threatened Pteridophytes of India: Handle then with care
4. Economic Importance of Pteridophytes
5. Classification of Pteridophytes
6. Psilophytopsida
7. Psilotopsida
8. Lycopsida : Protolepidodendrales
9. Lycopsida: Lycopodiales
10. Lycopsida: Lepidodendrales
N2  - Pteridophyta
ER  -