TY  - BOOK
AU  - Tryon,Rolla M.
AU  - Tryon,Alice F.
TI  - Ferns and allied plants: with special reference to tropical America 
SN  - 038790672
AV  - QK524.4 T78 1982
PY  - 1982///
CY  - New York
PB  - Springer-Verlage
KW  - Ferns
KW  - America
KW  - Tropics
N1  - Includes index
ER  -