TY  - BOOK
AU  - Sporne,K.R.
TI  - The morphology of pteridophytes: the structure of ferns and allied plants 
SN  - 9780091238612
AV  - QK521 .S68 1975
U1  - 587/.04/4 @
PY  - 1975///
CY  - London
PB  - Hutchinson
KW  - Pteridophyta
KW  - Morphology
N1  - Includes index; Bibliography: p. [177]-185
ER  -