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  1. By: Hahn, William James
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 75
    Date: 1988
    Page Range: 733--735
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Hahn, William James
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 6
    Date: 1996
    Page Range: 181--184
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  3. By: Hahn, William James
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 3
    Date: 1993
    Page Range: 34--45
    Publication Info: St. Louis, MO, Missouri Botanical Garden,