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Chromosome Numbers in Some Himalayan Species of Vittaria
Vol 52, Page 36
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Making Baskets from Fern Stipes
Vol 52, Page 87
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A New Polypodium from Ecuador
Vol 52, Page 110
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Botrychium matricariifolium A. Br., New to the Flora of Delaware, with Additional Records from Maryland and West Virginia
Vol 52, Page 111
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Cytotaxonomy of the Isoetes echinospora Complex
Vol 52, Page 113
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Collecting Marattia excavata in Costa Rica
Vol 52, Page 130
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Recent Fern Literature
Vol 52, Page 132
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More Florida Rarities
Vol 52, Page 137
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Taxonomic Notes on Ferns, III
Vol 52, Page 148
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Some Outdoor Ferns for the Los Angeles Area
Vol 52, Page 151
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A Note on Nephrolepis cordifolia cv. Duffii
Vol 52, Page 153
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Three Fronds of Botrychium obliquum
Vol 52, Page 155
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An Unusual Fern Station on South Manitou Island, Michigan
Vol 52, Page 157
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Ferns and Fern Allies of Chihuahua, Mexico
Vol 52, Page 163
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A Resume of the Taxonomic Reorganization of Equisetum, Subgenus Hippochaete, IV
Vol 52, Page 123