TY  - BOOK
AU  - Mohlenbrock,Robert H.
TI  - Ferns
AV  - QK525.5.I4 M6
U1  - 587/.31 
PY  - 1967///]
CY  - Carbondale
PB  - Southern Illinois University Press
KW  - Ferns
KW  - Illinois
N1  - Includes bibliographies
ER  -