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Revision of the Genus Christensenia
Vol 83, Page 3, Date 1993
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The Relationship of the Fossil Fern Schizaeaopsis Berry to Modern Genera in the Schizaeaceae
Vol 83, Page 20, Date 1993
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Antheridiogen Response in Phanerophlebia and Related Fern Genera
Vol 83, Page 30, Date 1993
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Application of the Name Goniophlebium and a New Subgeneric Name in Polypodium
Vol 83, Page 37, Date 1993
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First Continental Record of Thelypteris guadalupensis (Wikstrom) Proctor in the State of Quintana Roo, Mexico
Vol 83, Page 39, Date 1993
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Monograph of the Neotropical Fern Genus Stigmatopteris (Dryopteridaceae)
Vol 83, Page 40, Date 1993
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The Promotion of Spore Germination and Gametophyte Development in Ophioglossum palmatum by Low pH
Vol 83, Page 41, Date 1993
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New Jersey Ferns and Fern-Allies
Vol 83, Page 46, Date 1993
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Photosynthetic Adaptability of Two Fern Species of a Northern Hardwood Forest
Vol 83, Page 47, Date 1993
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The Influence of Soil Topography and Spore-Rain Density on Gender Expression in Gametophyte Populations of the Homosporous Fern Aspidotis densa
Vol 83, Page 54, Date 1993
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Plantlet Formation in Tropical Montane Ferns: A Preliminary Investigation
Vol 83, Page 60, Date 1993
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Isoetes hawaiiensis: A Previously Undescribed Quillwort from Hawaii
Vol 83, Page 67, Date 1993
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Vasculature of the Rhizome in the Fern Genus Dipteris
Vol 83, Page 71, Date 1993
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Spore Germination and Early Gametophyte Development of Platycerium bifurcatum
Vol 83, Page 79, Date 1993
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Notes on the Rediscovery, Status, and Ecology of the Very Rare Hawaiian Fern Christella boydiae (Thelypteridaceae)
Vol 83, Page 86, Date 1993
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Parahemionitis, a New Genus of Pteridaceae
Vol 83, Page 90, Date 1993
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Observations on Botrychium virginianum (Ophioglossaceae), a Fern Uncommon in the Eastern Andes of Peru
Vol 83, Page 93, Date 1993
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The Genetic Identification of Species of Agronomic Azolla Lam. Indigenous to Mexico
Vol 83, Page 97, Date 1993
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The Genus Isoetes L. in India
Vol 83, Page 105, Date 1993
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Morphological Studies on Entomogenous Stem Galls of Microgramma squamulosa (Kauf.) Sota (Polypodiaceae)
Vol 83, Page 120, Date 1993
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Isoetes reticulata R. S. Hill 1987 (Alcheringa 12:158) Is an Illegitimate Name
Vol 83, Page 128, Date 1993
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New Pellaea from Brazil
Vol 83, Page 129, Date 1993
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New Name and New Status in Brazilian Pteris L. (Pteridaceae)
Vol 83, Page 131, Date 1993
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Scandinavian Ferns
Vol 83, Page 134, Date 1993
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Vegetative Reproduction Common in Ophiglossum pycnostichum
Vol 83, Page 135, Date 1993