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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Plotkin, Mark J. - Boom, Brian M - Allison, Malorye.
    Publication info: [St. Louis], Missouri Botanical Garden, c1991
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
  1. By: Boom, Brian M
    Type: Article
    In: American fern journal
    Volume: 73
    Date: 1983
    Page Range: 39--42
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Boom, Brian M
    Type: Article
    In: American fern journal
    Volume: 75
    Date: 1985
    Page Range: 19--21
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Boom, Brian M
    Type: Article
    In: American fern journal
    Volume: 70
    Date: 1980
    Page Range: 1--4
    Publication Info: [Washington, etc.] American Fern Society