Index to North American ferns.
Subtitle: Constituting a catalogue of the ferns and fern allies of North America north of Mexico, including all known forms, varieties, and hybrids.
By: Compiled and edited by Maurice Broun. With a foreword by charles A. Weatherby ...
Publisher: Pub. by the Compiler
Published: 1938
Place of publication: Orleans, Mass
Language: eng
Number of pages: 217
Subjects: Ferns -- North America.
Notes: "Authorities cited": p. 170-179.