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By: Nagel, LillianType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 33Series:Issue:Date: 1946Page Range: 249--289Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Nagel, LillianType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 26Series:Issue:Date: 1939Page Range: 349--372Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects: