TY  - BOOK
AU  - Morton,Conrad Vernon,1905-1972
TI  - William Roxburgh's fern types
PY  - 1974///
CY  - U.S. Govt. Print. Off., Washington
PB  - Smithsonian Institution Press; for sale by the Supt. of Docs.
KW  - Roxburgh, William, 1751
KW  - Ferns
KW  - Type Specimens
KW  - Botany
KW  - Type specimens
N1  - 'Bulletin of the United States National Museum.'; Includes index
ER  -