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  1. By: Bider, J. Roger - Weil, Gregory
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 4
    Date: 1984
    Page Range: 498--499
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Titman, Rodger D - Doucet, G. Jean - Weil, Gregory - Bird, David M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 127
    Issue: 4
    Date: 2014-01-09
    Page Range: 358--365
    Publication Info: Ottawa Ottawa Field-Naturalists' Club