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  1. By: Schofield, Wilfred B - Cody, William J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 69
    Issue: 3
    Date: 1955
    Page Range: 116--128
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Talbot, Stephen S. - Talbot, Sandra Looman - Schofield, Wilfred B
    Type: Article
    In: American fern journal
    Volume: 85
    Date: 1995
    Page Range: 83--88
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Schofield, Wilfred B - Smith, E C
    Type: Article
    In: The Canadian field-naturalist
    Volume: 67
    Issue: 2
    Date: 1953
    Page Range: 93--94
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Smith, E Chalmers - Schofield, Wilfred B
    Type: Article
    In: The Canadian field-naturalist
    Volume: 73
    Issue: 3
    Date: 1959
    Page Range: 155--160
    Publication Info: Ottawa Ottawa Field-Naturalists' Club