A field manual of the ferns & fern-allies of the United States & Canada /

Bibliographic Details
Main Author:	Lellinger, David B.
Format:	Book
Language:	English
Published:	Washington, D.C. : Smithsonian Institution Press, [1985]
Subjects:	Ferns > United States > Identification. Ferns > Canada > Identification. Pteridophyta > United States > Identification. Pteridophyta > Canada > Identification.

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