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Some Fern Finds in Virginia
Volume 15, Page 1
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Main Lines of Evolution in Equisetum: I
Volume 15, Page 8
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Ferns: Fact and Fancies about Them: IV
Volume 15, Page 13
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Notes on American Ferns: XX
Volume 15, Page 16
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Recent Fern Literature
Volume 15, Page 19
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Fragrant Massachusetts Fern
Volume 15, Page 21
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The Spinulose Ferns of Tim Pond, Maine
Volume 15, Page 22
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Main Lines of Evolution in Equisetum: II
Volume 15, Page 35
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Proper Use of the Name Filix
Volume 15, Page 40
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New Tropical American Ferns: II
Volume 15, Page 54
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Recent Fern Literature
Volume 15, Page 62
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Fern Collecting in Haiti: I
Volume 15, Page 69
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Ferns: Facts and Fancies about Them: VI
Volume 15, Page 80
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Unusual Fern Finds
Volume 15, Page 87
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Data on Scolopendrium vulgare J. E. Smith
Volume 15, Page 90
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Notes on Cinnamon Ferns
Volume 15, Page 93
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Recent Fern Literature
Volume 15, Page 98
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Fern Collecting in Haiti: II
Volume 15, Page 107
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Ferns: Facts and Fancies about Them: VII
Volume 15, Page 118
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Recent Fern Literature
Volume 15, Page 123