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Collecting Ferns in the Choco, Colombia
Vol 62, Page 1, Date 1972
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Preliminary Systematic Studies of the Oak Ferns: Chromatography and Electrophoresis
Vol 62, Page 16, Date 1972
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Notes on Pellaea glabella and Polystichum scopulinum
Vol 62, Page 21, Date 1972
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A Report of Fall-Fruiting Plants of Ophioglossum engelmannii Prantl in Eastern Kansas
Vol 62, Page 22, Date 1972
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Rhizoid Formation in Megagametophytes of Marsilea in Response to Growth Substances
Vol 62, Page 24, Date 1972
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A Note on the Cytology of Athyrium anisopterum Christ
Vol 62, Page 27, Date 1972
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Lycopodium Appressum Adventive in the Blue Ridge of Georgia
Vol 62, Page 30, Date 1972
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Solanopteris brunei, a Little-Known Fern Epiphyte with Dimorphic Stems
Vol 62, Page 33, Date 1972
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Cytological Observations on Asplenium paucivenosum
Vol 62, Page 44, Date 1972
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Some Interesting Fern Finds and Records in Northern Illinois
Vol 62, Page 47, Date 1972
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Five New Species of South American Polybotrya
Vol 62, Page 49, Date 1972
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Date of Publication of Sodiro's "Cryptogamae Vasculares Quitenses"
Vol 62, Page 57, Date 1972
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Lycopod Spores, I. General Spore Patterns and the Generic Segregates of Lycopodium
Vol 62, Page 65, Date 1972
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Observations on the Occurrence of the Prothallia of Lycopodium inundatum
Vol 62, Page 82, Date 1972
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Morphology of Hypodematium crenatum (Forsk.) Kuhn: Comments on a Recent Paper
Vol 62, Page 88, Date 1972
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A "Filmy Fern" in the Genus Cystopteris
Vol 62, Page 93, Date 1972
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The First Peruvian Record of Elaphoglossum cardenasii Wagner
Vol 62, Page 95, Date 1972
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Humata brackenridgei Brownlie, a Correction
Vol 62, Page 96, Date 1972
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The Distribution of Thelypteris torresiana in the Southeastern United States
Vol 62, Page 97, Date 1972
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Neurocallis praestantissima in Costa Rica
Vol 62, Page 100, Date 1972
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A Revision of the Fern Genus Niphidium
Vol 62, Page 101, Date 1972