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By: Jamison, Judith A. - Douglas, George W.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 2Date: 1998Page Range: 284--288Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Douglas, George W. - Jamison, Judith A.Type: ArticleIn: The Canadian field-naturalistVolume: 115Series:Issue: 3Date: 2001Page Range: 455--459Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: