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  1. By: Stelfox, David.
    Publication info: Edmonton, Dept. of Plant Science, University of Alberta, 1966
    Holding Institution: University of Alberta Library
  1. By: Stelfox, David.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 2
    Date: 1971
    Page Range: 101--122
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Lewin, Victor - Stelfox, David.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 81
    Issue: 1
    Date: 1967
    Page Range: 63--66
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Stelfox, David.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 82
    Issue: 3
    Date: 1968
    Page Range: 224--224
    Publication Info: Ottawa Ottawa Field-Naturalists' Club