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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Raubeson, Linda A - Stein, Diana B
    Type: Article
    In: American fern journal
    Volume: 85
    Date: 1995
    Page Range: 193--204
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Conant, David S - Raubeson, Linda A - Attwood, Deborah K - Stein, Diana B
    Type: Article
    In: American fern journal
    Volume: 85
    Date: 1995
    Page Range: 328--340
    Publication Info: [Washington, etc.] American Fern Society