Studies of tropical American ferns, no.7
By: by William R. Maxon.
Contributors: Smithsonian Institution.; United States National Museum.
Series: Contributions from the United States National Herbarium -- v.24, pt. 2
Publisher: Goverment Printing Office
Published: 1922
Place of publication: Washington, DC
Language: eng
Number of pages: 63
Subjects: Ferns -- Central America.; Botany -- Central America.; Ferns -- Mexico.; Botany -- Mexico.
Notes: "Bulletin of the United States National Museum"--T.p. verso

At head of title: Smithsonian Institution. United States National Museum.

Includes bibliographical references and index.

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