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By: Lesage, Veronique - Hammill, Mike O.Type: ArticleIn: The Canadian field-naturalistVolume: 115Series:Issue: 4Date: 2001Page Range: 653--662Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Lesage, Veronique - Kingsley, Michael C. S.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 1Date: 1998Page Range: 98--113Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: