Studies of tropical American ferns
By: by William R. Maxon.
Series: Contributions from the United States National Herbarium -- v. 10, pt. 7; v. 13, pt.1; v. 16, pt.2; v. 17, pt.2; v. 17, pt. 4; v. 17, pt. 7; v. 24, pt.2.; Systematic investigations in phanerogams, ferns and diatoms
Publisher: Govt. print. off.
Published: 1908
Place of publication: Washington
Language: eng
Subjects: Ferns -- Central America.; Ferns -- Mexico.