TY  - BOOK
AU  - Bower, F. O., Sc. D., LL.D., F.R.S.
TI  - The Ferns: Filicales
U1  - Zb98 
PY  - 1928///
CY  - London
PB  - Cambridge University Press
KW  - Botany-Ferns
N1  - Treated Comparatively With A View To Their Natural Classificaion. The Leptosporangiate Ferns
ER  -