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By: O'Brien, Shannon - Facey, Douglas E.Type: ArticleIn: The Canadian field-naturalistVolume: 122Series:Issue: 3Date: 2008-07-01Page Range: 239--246Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Facey, Douglas E.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 4Date: 1998Page Range: 596--601Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: