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  1. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 21
    Date: 1931
    Page Range: 21--24
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 9
    Date: 1919
    Page Range: 56--58
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 21
    Date: 1931
    Page Range: 125--132
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 12
    Date: 1922
    Page Range: 46--53
    Publication Info: [Washington, etc.] American Fern Society
  5. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 18
    Date: 1928
    Page Range: 95--97
    Publication Info: [Washington, etc.] American Fern Society
  6. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 9
    Date: 1919
    Page Range: 119--120
    Publication Info: [Washington, etc.] American Fern Society
  7. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 7
    Date: 1917
    Page Range: 51--54
    Publication Info: [Washington, etc.] American Fern Society
  8. By: Graves, Edward Willis
    Type: Article
    In: American fern journal
    Volume: 18
    Date: 1928
    Page Range: 97--98
    Publication Info: [Washington, etc.] American Fern Society