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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Dodson, Calaway H. - Frymire, Grady Parr
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 48
    Date: 1961
    Page Range: 137--172
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-