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Occurrence of Botrychium matricariaefolium in New Jersey
Vol 12, Page 1, Date 1922
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Is Botrychium dissectum a Sterile Mutant?
Vol 12, Page 9, Date 1922
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On a Supposed Hybrid in Equisetum
Vol 12, Page 12, Date 1922
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Reminiscences of a Fern Lover
Vol 12, Page 16, Date 1922
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Experiments in Naturalizing Ferns
Vol 12, Page 19, Date 1922
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Lycopodium complanatum, var. flabelliforme with Twenty-Five Spikes
Vol 12, Page 24, Date 1922
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Game Laws for Ferns and Wild Flowers
Vol 12, Page 33, Date 1922
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A Fern Collecting Trip in Cuba
Vol 12, Page 46, Date 1922
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Osmunda claytoniana, forma Mackiana
Vol 12, Page 53, Date 1922
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Recent Fern Literature
Vol 12, Page 58, Date 1922
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Have You Ever Seen Polypodium vulgare as an "Air Plant?"
Vol 12, Page 63, Date 1922
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The Distribution of Southern California Pteridophytes
Vol 12, Page 69, Date 1922
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Ferns as House Plants
Vol 12, Page 77, Date 1922
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Variation in Ferns
Vol 12, Page 93, Date 1922
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A List of Ferns Found in Woodstock, Conn
Vol 12, Page 96, Date 1922
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The Distribution of Southern California Pteridophytes (Continued)
Vol 12, Page 101, Date 1922
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Notes on the Fern Leaf Industry
Vol 12, Page 122, Date 1922
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The Bracken as a Poisonous Plant
Vol 12, Page 125, Date 1922
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Adiantum pedatum, var. aleuticum in New England
Vol 12, Page 128, Date 1922