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Studies in American Orchids X
Vol 26, Iss 1, Page 1
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Revision of the Genus Masdevallia - I
Vol 26, Iss 1, Page 39
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Studies in the genus Oncidium - II. Section Serpentia
Vol 26, Iss 1, Page 55
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Bibliography of Precambrian Palentology and Paleobiology
Vol 26, Iss 2-4, Page 65
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De Plantis Toxicariis E Mundo Novo Tropicale Commentationes XXIII: Notes on Biodynamic Plants of Aboriginal Use in the Northwestern Amazonia
Vol 26, Iss 5, Page 177
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Cocaine in Blood of Coca Chewers
Vol 26, Iss 5, Page 199
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Chromosome Numbers in Neotropical Erythroxylum (Erythroxylaceae)
Vol 26, Iss 5, Page 203
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Soma Brought Up-To-Date
Vol 26, Iss 6, Page 211
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De Plantis Toxicariis E Mundo Novo Tropicale Commentationes XXIII: Ethnopharmacological Notes from Northern South America
Vol 26, Iss 6, Page 225
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Fossil Pollen And the Origin of Corn: Ancient Pollen from Deep Cores in Mexico Shows the Ancestor of Corn To Be Corn And Not Its Relative, Teosinte
Vol 26, Iss 7, Page 237
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Effects of Field Preservation on the Flavonoid Content of Jessenia Bataua
Vol 26, Iss 8, Page 257
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A Neglected Mayan Galactagogue. Ixbut (Euphorbia lancifolia)
Vol 26, Iss 9--10, Page 277
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Evolution of the Identification of the Major South American Narcotic Plants
Vol 26, Iss 9-10, Page 311
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The Correct Name for Siberian Ginseng
Vol 26, Iss 9-10, Page 339