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  1. By: Kukal, Olga - Pattie, Donald L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 3
    Date: 1988
    Page Range: 544--544
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Pattie, Donald L. - Webber, Marc
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 2
    Date: 1992
    Page Range: 266--267
    Publication Info: Ottawa Ottawa Field-Naturalists' Club