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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hilu, Khidir W - Alice, Lawrence A - Liang, Hongping
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 86
    Date: 1999
    Page Range: 835--851
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-