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By: Ritchie, Robert J - Burgess, Robert M. - Suydam, Robert S.Type: ArticleIn: The Canadian field-naturalistVolume: 114Series:Issue: 3Date: 2000Page Range: 395--404Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Suydam, Robert S. - George, John CraigheadType: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 4Date: 1992Page Range: 489--492Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Suydam, Robert S. - Quakenbush, Lori T - Dickson, D. Lynne - Obritschkewitsch, TimType: ArticleIn: The Canadian field-naturalistVolume: 114Series:Issue: 3Date: 2000Page Range: 444--452Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: