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By: Beyer, Dean E. - Roell, Brian J. - Hammill, James H. - Earle, Richard D.Type: ArticleIn: The Canadian field-naturalistVolume: 115Series:Issue: 2Date: 2001Page Range: 234--240Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Doepker, Robert V. - Earle, Richard D. - Ozoga, John J.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 3Date: 1992Page Range: 366--371Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ozoga, John J. - Doepker, Robert V. - Earle, Richard D.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 3Date: 1992Page Range: 357--360Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: