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  1. By: Olson, Zach H. - Stevens, Sadie S. - Serfass, Thomas L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 3
    Date: 2005-07-01
    Page Range: 459--461
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Bohrman, Jennifer A. - Stevens, Sadie S. - Serfass, Thomas L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 125
    Issue: 3
    Date: 2011-07-01
    Page Range: 252--254
    Publication Info: Ottawa Ottawa Field-Naturalists' Club