A field manual of the ferns & fern-allies of the United States & Canada
By: David B. Lellinger ; with photographs by A. Murray Evans.
Publisher: Smithsonian Institution Press
Published: 1985
Place of publication: Washington, D.C
Number of pages: 389
Subjects: Ferns  -- United States  -- Identification.; Ferns  -- Canada  -- Identification.; Pteridophyta  -- United States  -- Identification.; Pteridophyta  -- Canada  -- Identification.
Other titles: Ferns & fern-allies of the United States & Canada.; Ferns and fern-allies of the United States and Canada.
Notes: Includes index.

Bibliography: p. 347-357.