American fern journal
Amer. Fern J
American Fern Society.
[Washington, etc.], American Fern Society,
"Quarterly journal of the American Fern Society."
Vols. 3- include the reports of officers of the American Fern Society, 1912- (1912 issued as a supplement to v. 3, no. 1).
Vols. 4- include Annual report of the American Fern Society, 1913- .
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