The ferns of North America.
APA Citation
Eaton, D. Cady., Faxon, C. Edward., Emerton, J. H. (James Henry). (187980). The ferns of North America. Salem: S. E. Cassino.
MLA Citation
Eaton, Daniel Cady, 1834-1895, Charles Edward Faxon, and J. H. (James Henry) Emerton. The Ferns of North America. Salem: S. E. Cassino, 187980.
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