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  1. By: Tweedy, Frank,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  2. By: Tweedy, Frank,
    Publication info: Washington, D.C, Published by the author, 1886
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  3. By: Tweedy, Frank,
    Publication info: Washington, D.C, F. Tweedy, 1886
    Holding Institution: University of California Libraries
  1. By: Lamson-Scribner, F. - Tweedy, Frank,
    Type: Article
    In: Botanical gazette
    Volume: 11
    Issue: 7
    Date: 1886
    Page Range: 169--178
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  2. By: Tweedy, Frank,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1890-01-03
    Publication Info: [1830-1898]