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By: Bork, Edward W. - Adams, Barry W. - Willms, W. D. (Walter David),Type: ArticleIn: The Canadian field-naturalistVolume: 116Series:Issue: 1Date: 2002Page Range: 51--59Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Donkor, Noble T. - Okello, Moses M. - Hudson, Robert J. - Bork, Edward W.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 2Date: 2003-04-01Page Range: 196--202Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: