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By: Cameron, Raymond D. - Whitten, Kenneth R. - Smith, Walter T. - Roby, Daniel DType: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 2Date: 1979Page Range: 155--162Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Whitten, Kenneth R. - Cameron, Raymond D.Type: ArticleIn: The Canadian field-naturalistVolume: 97Series:Issue: 2Date: 1983Page Range: 143--146Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: