TY  - SER
AU  - van der Werff,Henk
TI  - Ferns as indicators of vegetation types in the Galápagos Archipelago
U1  - 581.7 23
PY  - 1990///
KW  - Ferns
KW  - Helecho
KW  - Plant
KW  - Planta
KW  - Ecology
KW  - Ecología
KW  - Galápagos
N2  - BIB Now: 7047
ER  -