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  1. By: Sharp, A J
    Type: Article
    In: American fern journal
    Volume: 64
    Date: 1974
    Page Range: 29--29
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Sharp, A J
    Type: Article
    In: Rhodora
    Volume: 66
    Date: 1964
    Page Range: 216--216
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Sharp, A J
    Type: Article
    In: Botanical Museum leaflets, Harvard University
    Volume: 14
    Issue: 4
    Date: 1950-02-06
    Page Range: 107--108
    Publication Info: Cambridge, Mass Botanical Museum, Harvard University 1932-