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By: Whitehead, Hal P. - Faucher, Annick - Gowans, Shannon - McCarrey, StephenType: ArticleIn: The Canadian field-naturalistVolume: 111Series:Issue: 2Date: 1997Page Range: 287--292Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Simard, Peter - Lawlor, Jennifer L. - Gowans, ShannonType: ArticleIn: The Canadian field-naturalistVolume: 120Series:Issue: 1Date: 2006-01-01Page Range: 93--99Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: