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  1. By: Olsen, Richard T - Kirkbride, Joseph H., Jr.
    Type: Article
    In: Arnoldia
    Volume: 68
    Issue: 2
    Date: 2010
    Page Range: 75--76
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  2. By: Minnis, Andrew M - Rossman, Amy Y - Olsen, Richard T
    Type: Article
    In: Mycotaxon
    Volume: 115
    Issue: 1
    Date: 2011
    Page Range: 311--322
    Publication Info: Ithaca, N.Y, Mycotaxon
  3. By: Olsen, Richard T - Whittemore, Alan T.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 19
    Date: 2009
    Page Range: 490--493
    Publication Info: St. Louis, MO, Missouri Botanical Garden,