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By: Campbell, Christine E.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 3Date: 1992Page Range: 400--402Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Warkentin, Ian George, - Campbell, Christine E. - Powell, Kristin G. - Leonard, Tina D.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 3Date: 2003-07-01Page Range: 477--478Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: