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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Morton, C. V. (Conrad Vernon) - Hyde, H A - Wade, A. E.‏ ‎ (Arthur Edward),‏ ‎ - Harrison, S G
    Type: Article
    In: American fern journal
    Volume: 60
    Date: 1970
    Page Range: 84--86
    Publication Info: [Washington, etc.] American Fern Society