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By: Adams, Jill D. - Freedman, BillType: ArticleIn: The Canadian field-naturalistVolume: 113Series:Issue: 3Date: 1999Page Range: 493--496Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Gräf, Andreas - Gilhen, John - Adams, Jill D.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 3Date: 2003-07-01Page Range: 415--418Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: