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  1. By: Jude, David J. (David John), - Evans, Marlene S. - Futyma, Richard P. - Tesar, Frank J. - Winnell, Michael H. - United States. Army. Corps of Engineers. Detroit District. - University of Michigan. Great Lakes Research Division.
    Publication info: Ann Arbor, Mich, The University of Michigan, 1986
    Holding Institution: University of Michigan
  1. By: Futyma, Richard P.
    Type: Article
    In: American fern journal
    Volume: 70
    Date: 1980
    Page Range: 81--87
    Publication Info: [Washington, etc.] American Fern Society