The American species of Hymenophyllum, section Sphaerocionium
By: by C. V. Morton.
Contributors: United States National Museum.
Series: Contributions from the United States National Herbarium -- v. 29, pt. 3.; Systematic plant studies
Publisher: U.S. Govt. Print. Off.
Published: 1947
Place of publication: Washington
Language: eng
Number of pages: 201
Subjects: Ferns -- Tropics.; Hymenophyllaceae -- Tropics.
Notes: At head of title: Smithsonian Institution. United States National Museum.

"Bulletin of the United States National Museum"--T.P. verso.

Includes bibliographical references and index.