TY  - BOOK
AU  - Morton, C. V.
CN  - QK1
CN  - QK1
CY  - Washington :
DA  - 1974.
ID  - 352933
KW  - Ferns
N1  - "Bulletin of the United States National Museum."
N1  - Includes index.
PB  - Smithsonian Institution Press :
PB  - For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
PP  - Washington :
PY  - 1974.
T1  - William Roxburgh's fern types /
TI  - William Roxburgh's fern types /
VL  - v. 38, pt. 7
ER  -