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By: Currah, Randolph S. - Van Dyk, MargaretType: ArticleIn: The Canadian field-naturalistVolume: 100Series:Issue: 3Date: 1986Page Range: 330--342Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Smreciu, Elizabeth Ann, - Currah, Randolph S. - Toop, E.Type: ArticleIn: The Canadian field-naturalistVolume: 102Series:Issue: 1Date: 1988Page Range: 31--38Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: