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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Greer, Gary K - Mccarthy, Brian C
    Type: Article
    In: American fern journal
    Volume: 90
    Date: 2000
    Page Range: 60--76
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Railing, Carrie A - Mccarthy, Brian C
    Type: Article
    In: American fern journal
    Volume: 90
    Date: 2000
    Page Range: 77--86
    Publication Info: [Washington, etc.] American Fern Society