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Spore Morphology of the Hawaiian Genus Sadleria (Blechnaceae)
Vol 66, Page 1
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Loxsomopteris anasilla, a New Fossil Fern Rhizome from the Cretaceous of Maryland
Vol 66, Page 8
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A New Species of Hymenophyllum from Central America
Vol 66, Page 15
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Uncommon Wall Thickenings in the Sieve Cells of Pteris wallichiana
Vol 66, Page 19
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Some Lesser Known Ferns from the Western Himalayas, 1. Cheilanthes anceps var. brevifrons
Vol 66, Page 21
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A New Locality for Lycopodium serratum in Mexico
Vol 66, Page 25
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Forked Fronds in Asplenium rhizophyllum
Vol 66, Page 26
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A Note on the Young Fronds of Ophioglossum palmatum
Vol 66, Page 27
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The Identity of Polypodium furfuraceum f. pinnatisectum
Vol 66, Page 28
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Edgar Wherry in Pennsylvania
Vol 66, Page 33
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Perry Creek, Washington, a Fern-Watcher's Eldorado
Vol 66, Page 39
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Origin of the Pteridophyte Flora of the Bahamas, Caicos and Turks Islands
Vol 66, Page 46
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Spore Retention and Release from Overwintering Fern Fronds
Vol 66, Page 49
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The Distribution and Abundance of Dryopteris in New Jersey
Vol 66, Page 53
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Cystopteris bulbifera in the Southwestern United States
Vol 66, Page 60
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Variation in North American Asplenium platyneuron
Vol 66, Page 63
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The Distribution of Dryopteris spinulosa and Its Relatives in Eastern Canada
Vol 66, Page 69
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Ferns: Potential In-situ Bioassay Systems for Aquatic-Borne Mutagens
Vol 66, Page 75
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Vegetative Propagation in Asplenium exiguum
Vol 66, Page 81
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Cold Requirements of Several Ferns in Southeastern Michigan
Vol 66, Page 83
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A Taxonomic Revision of the Genus Cnemidaria (Cyatheaceae)
Vol 66, Page 88
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Variation in Costa Rican Ophioglossum palmatum and Nomenclature of the Species
Vol 66, Page 89
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Anatomical Studies of the Neotropical Cyatheaceae. I. Alsophila and Nephelea
Vol 66, Page 93
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Prothallus Morphology in Some Tectarioid Ferns
Vol 66, Page 102
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The Occurrence of Thelypterin in Ferns
Vol 66, Page 107
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Cystopteris fragilis in the Western Himalayas
Vol 66, Page 109
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Two New Sites for Ceratopteris thalictroides in Texas
Vol 66, Page 111
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Re-Introduction of Marsilea vestita into Florida
Vol 66, Page 113
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Diplazium delitescens and the Neotropical Species of Asplenium sect. Hymenasplenium
Vol 66, Page 116
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Diffusive Resistance, Titratable Acidity, and CO 2 Fixation in Two Tropical Epiphytic Ferns
Vol 66, Page 121
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Comparative Studies in the Biology of Lycopodium carolinianum
Vol 66, Page 125