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By: Duggar, Benjamin M. (Benjamin Minge), - Severy, J W - Schmitz, Hermann,Type: ArticleIn: Annals of the Missouri Botanical GardenVolume: 4Series:Issue:Date: 1917Page Range: 165--173Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Duggar, Benjamin M. (Benjamin Minge), - Severy, J W - Schmitz, Hermann,Type: ArticleIn: Annals of the Missouri Botanical GardenVolume: 4Series:Issue:Date: 1917Page Range: 279--288Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects: