How to know the ferns and fern allies
By: John T. Mickel ; [illustrated by Edgar M. Paulton].
Series: The Pictured key nature series
Publisher: W. C. Brown Co.; W. C. Brown
Published: 1979
Place of publication: Dubuque, Iowa
Language: eng
Number of pages: 229
Subjects: Ferns -- North America -- Identification; Pteridophyta -- North America -- Identification
Other titles: Ferns and fern allies.
Notes: Bibliography: p. 217-218.
Includes index.