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Salpiglossis, Leptoglossis and Reyesia (Solanaceae). A Synoptical Survey
Vol 27, Iss 1--2, Page 1
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The Identity of Amazonian and Trujillo Coca
Vol 27, Iss 1--2, Page 45
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Monopteryx angustifolia and Erisma Japura: Their Use by Indigenous Peoples in the Northwestern Amazon
Vol 27, Iss 3--4, Page 69
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Studies in the Genus Micrandra II: Miscellaneous Taxonomic and Economic Notes
Vol 27, Iss 3--4, Page 93
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Ancient Gold Pectorals from Colombia: Mushroom Effigies?
Vol 27, Iss 5--6, Page 113
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Discovery of an Ancient Guayusa Plantation in Colombia
Vol 27, Iss 5--6, Page 143
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The Flowers of Ilex Guayusa
Vol 27, Iss 5--6, Page 155
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Chemical Test for Silica Determinations as an Archaeological Feature of Ethnobotany
Vol 27, Iss 5--6, Page 161
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Systematics of the Genus Stelis Sw.
Vol 27, Iss 7--9, Page 167
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The Ethnobotany of the Flathead Indians of Western Montana
Vol 27, Iss 10, Page 261