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By: Dillinger, Robert Earl - Burt, Timothy P. - Green, John M.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 2Date: 1992Page Range: 175--180Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Green, John M.Type: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 1Date: 1974Page Range: 96--97Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: