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  1. By: Kott, L S - Britton, Donald M.
    Type: Article
    In: American fern journal
    Volume: 72
    Date: 1982
    Page Range: 15--18
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Kott, L S - Bobbette, R S W
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 2
    Date: 1980
    Page Range: 163--166
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Kott, L S - Kott, Edward
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 1
    Date: 1974
    Page Range: 89--89
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Kott, L S - Britton, Donald M.
    Type: Article
    In: American fern journal
    Volume: 75
    Date: 1985
    Page Range: 44--55
    Publication Info: [Washington, etc.] American Fern Society