TY  - BOOK
AU  - Christensen, Carl
TI  - Index filicum
SN  - 3874290492
U1  - 587.3 21st ed.
PY  - 1973///
CY  - Koenigstein
PB  - Otto Koeltz Antiquariat
KW  - Classification
KW  - Ferns
KW  - Index
KW  - Nomenclature
KW  - Pteridophytes
KW  - Taxonomy
N1  - Supplementum 1-3
ER  -