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  1. By: Burnham, Robyn J.
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 95
    Issue: 1
    Date: 2008
    Page Range: 51--71
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Burnham, Robyn J. - Graham, Alan,
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 86
    Date: 1999
    Page Range: 546--589
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  3. By: Burnham, Robyn J. - Revilla-Minaya, Caissa
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 98
    Issue: 2
    Date: 2011
    Page Range: 196--205
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  4. By: Spicer, Robert A - Burnham, Robyn J. - Grant, Paul - Glicken, Harry
    Type: Article
    In: American fern journal
    Volume: 75
    Date: 1985
    Page Range: 1--5
    Publication Info: [Washington, etc.] American Fern Society