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By: de Wit, LukeType: ArticleIn: The Canadian field-naturalistVolume: 102Series:Issue: 4Date: 1988Page Range: 753--754Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: de Wit, LukeType: ArticleIn: The Canadian field-naturalistVolume: 103Series:Issue: 3Date: 1989Page Range: 459--460Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: