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Intersectional Hybrids in Isoetes
Volume 70, Page 1
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The Economic Uses and Associated Folklore of Ferns and Fern Allies
Volume 70, Page 4
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Notes on Some Pleopeltis and Polypodium Species of the Chihuahuan Desert Region
Volume 70, Page 5
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The Deletion of Vittaria graminifolia from the Flora of Florida
Volume 70, Page 12
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New Taxa and Combinations of Pteridophytes from Chiapas, Mexico
Volume 70, Page 15
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A New County Record for Pilularia americana in Texas
Volume 70, Page 28
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Pilularia americana New to Tennessee
Volume 70, Page 29
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New Names for Polypodium chnoodes and P. Dissimile
Volume 70, Page 30
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An Atypical Athyrium from Eastern Tennessee
Volume 70, Page 31
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Equisetum X litorale in Illinois, Iowa, Minnesota, and Wisconsin
Volume 70, Page 33
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Flora de la Provincia de Jujuy Republica Argentina, Parte II. Pteridophyta
Volume 70, Page 38
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Gametophytes of Equisetum diffusum
Volume 70, Page 39
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A Double Spore Wall in Macroglossum
Volume 70, Page 45
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Subdivision of the Genus Elaphoglossum
Volume 70, Page 47
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How to Know the Ferns and Fern Allies
Volume 70, Page 68
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Notes on the Natural History of Stylites gemmifera
Volume 70, Page 69
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Reciprocal Allelopathy between the Gametophytes of Osmunda cinnamomea and Dryopteris intermedia
Volume 70, Page 73
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Thelypteris torresiana in Venezulea
Volume 70, Page 80
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The Distribution and Ecology of Phyllitis scolopendrium in Michigan
Volume 70, Page 81
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Additions to the Pteridophyte Flora of the Great Plains
Volume 70, Page 91
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Flavonoid Synthesis and Antheridium Initiation in Dryopteris Gametophytes
Volume 70, Page 93
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Date of Publication of Sodiro's "Sertula Florae Ecuadorensis"
Volume 70, Page 96
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Taxonomy of Thelypteris Subgenus Steiropteris, including Glaphyropteris (Pteridophyta)
Volume 70, Page 98
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Reproductive Biology and Gametophyte Morphology of New World Populations of Acrostichum aureum
Volume 70, Page 99
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Diplazium japonicum New to Alabama
Volume 70, Page 111
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Three Additions to the Pteridophyte Flora of Escambia County, Florida
Volume 70, Page 112
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A Range Extension for Dryopteris filix-mas
Volume 70, Page 113
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Differential Germination of Fern and Moss Spores in Response to Mercuric Chloride
Volume 70, Page 115
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Differences in the Apparent Permeability of Spore Walls and Prothallial Cell Walls in Onoclea sensibilis
Volume 70, Page 119
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Allelopathy and Autotoxicity in Three Eastern North American Ferns
Volume 70, Page 124
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Sandstone Rock Crevices, an Exceptional New Habitat for Thelypteris simulata
Volume 70, Page 136
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A Second Alabama Locality for the Hart's tongue
Volume 70, Page 137
