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Aberrant Leaves on Angle-Shoots of Selaginella martensii Spring
Vol 60, Page 1, Date 1970
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A Further Note on the Type of Platycerium alcicorne
Vol 60, Page 7, Date 1970
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Gametophyte Ontogeny and Sex Expression in Dryopteris ludoviciana
Vol 60, Page 13, Date 1970
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A New Form of Microlepia speluncae
Vol 60, Page 28, Date 1970
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Psilotum nudum New to Arizona
Vol 60, Page 30, Date 1970
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The Illustrated Flora of Illinois: Ferns
Vol 60, Page 32, Date 1970
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Vascular Plants of the Pacific Northwest, Part 1
Vol 60, Page 34, Date 1970
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A Revised Flora of Malaya, Vol. II: Ferns of Malaya
Vol 60, Page 38, Date 1970
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Chromosomes and Speciation in Ferns
Vol 60, Page 39, Date 1970
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The Fern Collections in Some European Herbaria, VI
Vol 60, Page 49, Date 1970
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Fertile Sporophytes of Botrychium virginianum Attached to Gametophytes
Vol 60, Page 62, Date 1970
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A Peculiar Species of Grammitis
Vol 60, Page 65, Date 1970
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Vascular Organization of the Rhizome of Cibotium barometz
Vol 60, Page 68, Date 1970
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A Survey of Some Morphological Features of the Genus Elaphoglossum in Costa Rica
Vol 60, Page 73, Date 1970
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Welsh Ferns, Clubmosses, Quillworts, and Horsetails, a Descriptive Handbook
Vol 60, Page 84, Date 1970
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Stelar Anatomy of Six Species of Lycopodium
Vol 60, Page 89, Date 1970
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A Note on the Gametophytes of Cystopteris tenuisecta
Vol 60, Page 98, Date 1970
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Taxonomic Notes on Ferns, IV
Vol 60, Page 103, Date 1970
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A Reinvestigation of the Morphology of Hypodematium crenatum
Vol 60, Page 107, Date 1970
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Pyrrosia princeps, a Fern New to Cultivation
Vol 60, Page 118, Date 1970
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Recent Fern Literature
Vol 60, Page 119, Date 1970
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A Major North American Range Extension for the Forked Spleenwort, Asplenium septentrionale
Vol 60, Page 129, Date 1970
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Hard Water as a Limiting Factor in the Distribution of Isoetes echinospora
Vol 60, Page 134, Date 1970
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Indian Pteridophytes Used in Folk Remedies
Vol 60, Page 137, Date 1970
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The Rhizome Scales of Platycerium
Vol 60, Page 144, Date 1970
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Stem Cross-Section Prints Aid in Identifying Horsetails
Vol 60, Page 161, Date 1970
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Terminology of the Sporangial Structures of Equisetum
Vol 60, Page 162, Date 1970
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Kinds of Cystopteris in California
Vol 60, Page 164, Date 1970
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Pacific Northwest Ferns and Their Allies
Vol 60, Page 167, Date 1970