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Calamophyton bicephalum, a New Species from the Middle Devonian of Belgium
Vol 47, Page 1, Date 1960
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Classification and Phylogeny in the Orchidacea
Vol 47, Page 25, Date 1960
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The Genus Schismatoglottis (Section Philonotion) in America
Vol 47, Page 69, Date 1960
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Miscellanea Taxonomica. II
Vol 47, Page 73, Date 1960
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The Strengthening System in the Stem of Maize
Vol 47, Page 205, Date 1960
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Studies Involving Sustained Treatment of Maize with Gibberellic Acid II: Responses of Plants Carrying Certain Tassel-Modifying Genes
Vol 47, Page 243, Date 1960
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Flora of Panama. Part IV. Fascicle III
Vol 47, Page 263, Date 1960