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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lansdown, R V
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 16
    Date: 2006
    Page Range: 354--361
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  2. By: Lansdown, R V
    Type: Article
    In: Forktail
    Volume: 3
    Date: 1987
    Page Range: 61--63
    Publication Info: Oxford,