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  1. By: Hall, Ivan Victor - Shay, Jennifer M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 4
    Date: 1981
    Page Range: 434--464
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Shay, Jennifer M. - Herring, Marjorie - Dyck, Barbara S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 114
    Issue: 4
    Date: 2000
    Page Range: 612--627
    Publication Info: Ottawa Ottawa Field-Naturalists' Club