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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Greenstein, Jesse P - Chalkley, H. W. (Harold William),
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 32
    Date: 1945
    Page Range: 179--185
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Chalkley, H. W. (Harold William),
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 35
    Issue: 1
    Date: 1950
    Page Range: 20--20
    Publication Info: New York,