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  1. By: Westdal, Kristin H - Davies, Jeremy - McPherson, Andy - Orr, Jack R. - Ferguson, Steven H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 130
    Issue: 4
    Date: 2017-03-29
    Page Range: 315--319
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Carruthers, D. R. - Ferguson, Steven H. - Sopuck, Lennart
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 3
    Date: 1997
    Page Range: 423--432
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Ferguson, Steven H. - Berube, Danielle K. A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 118
    Issue: 3
    Date: 2004-07-01
    Page Range: 386--394
    Publication Info: Ottawa Ottawa Field-Naturalists' Club