TY  - BOOK
AU  - Sporne,K.R.
TI  - The morphology of pteridophytes: the structure of ferns and allied plants 
SN  - 0091238609.
AV  - QK522.S68 1975 
U1  - 587/.04/4 
PY  - 1975///
CY  - London
PB  - Hutchinson
KW  - Pteridophyta
KW  - Morphology
N1  - Includes index
ER  -