TY  - BOOK
AU  - Tryon,Alice F.
AU  - Lugardon,Bernard
TI  - Spores of the pteridophyta: surface wall structure and diversity based on election microscope studies 
SN  - 0387972188
PY  - 1991///
CY  - New York
PB  - Springer-Verlag
KW  - Pteridophyta
KW  - Spores
KW  - Morphology
ER  -