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  1. By: Pietz, Pamela J. - Sovada, Marsha A. - Custer, Christine M - Custer, Thomas W - Johnson, Kevin M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 122
    Issue: 4
    Date: 2008-10-01
    Page Range: 312--315
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Bartos, Alisa J. - Sovada, Marsha A. - Igl, Lawrence D - Pietz, Pamela J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 127
    Issue: 1
    Date: 2013-07-15
    Page Range: 72--75
    Publication Info: Ottawa Ottawa Field-Naturalists' Club