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  1. By: Johnson, D E
    Type: Article
    In: The Great Basin naturalist
    Volume: 3
    Date: 1942
    Page Range: 1--4
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  2. By: Johnson, D E
    Type: Article
    In: The Great Basin naturalist
    Volume: 18
    Date: 1958
    Page Range: 41--42
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  3. By: Johnson, D E
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 1
    Date: 1991
    Page Range: 119--124
    Publication Info: St. Louis, MO, Missouri Botanical Garden,