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  1. By: Hammel, Barry E - Grayum, Michael Howard,
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 21
    Issue: 1
    Date: 2011
    Page Range: 44--46
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  2. By: Hammel, Barry E - Wilder, George J.
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 76
    Date: 1989
    Page Range: 112--123
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  3. By: Hammel, Barry E - Cornejo, Xavier
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 19
    Date: 2009
    Page Range: 52--55
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  4. By: Hammel, Barry E
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 19
    Date: 2009
    Page Range: 49--51
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  5. By: Hammel, Barry E - D'Arcy, William G.,
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 68
    Date: 1981
    Page Range: 213--217
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  6. By: Hammel, Barry E
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 74
    Date: 1987
    Page Range: 897--902
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  7. By: Hammel, Barry E - Grayum, Michael Howard,
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 69
    Date: 1982
    Page Range: 420--425
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-