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  1. By: Imperato, Filippo
    Type: Article
    In: American fern journal
    Volume: 92
    Date: 2002
    Page Range: 244--246
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Imperato, Filippo - Telesca, Antonella
    Type: Article
    In: American fern journal
    Volume: 90
    Date: 2000
    Page Range: 42--45
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Imperato, Filippo
    Type: Article
    In: American fern journal
    Volume: 97
    Date: 2007
    Page Range: 233--236
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Imperato, Filippo
    Type: Article
    In: American fern journal
    Volume: 94
    Date: 2004
    Page Range: 159--162
    Publication Info: [Washington, etc.] American Fern Society