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By: Harris, I. W. E.Type: ArticleIn: The Canadian field-naturalistVolume: 113Series:Issue: 4Date: 1999Page Range: 576--584Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Harris, I. W. E. - Drury, C. F. - Simard, R. R. - Zhang, T. Q.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 2Date: 2003-04-01Page Range: 267--277Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: