TY  - BOOK
AU  - Bower,F.O.
TI  - The ferns (filicales): treated comparatively with a view to their natural classification 
PY  - 1963///
CY  - New Delhi
PB  - Today & Tomorrow's Book Agency
KW  - Ferns
N1  - First published 1923-1928; Bibliographies at end of chapters; Vol. 1. Analytical examination of the criteria of comparison -- v. 2. The Eusporangiatae and other relatively primitive ferns -- v. 3. The letosporangiate ferns
ER  -