Henry Potter's field guide to the hybrid ferns of the Northeast
By: by Frank and Libby Thorne ; with a foreword by David S. Barrington
Contributors: Thorne, Frank, 1916-; Thorne, Libby, 1922-
Publisher: Vermont Institute of Natural Science
Published: 1989
Place of publication: Woodstock, Vt
Language: eng
Number of pages: 79
Subjects: Hybrid ferns -- Northeastern States -- Identification; Ferns -- Northeastern States -- Identification
Other titles: Field guide to the hybrid ferns of the Northeast; Hybrid ferns of the Northeast
Work titles: Field guide to the hybrid ferns of the Northeast
Notes: Includes bibliographical references