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By: Mahon, RobinType: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 3Date: 1977Page Range: 292--293Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Mahon, RobinType: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 3Date: 1979Page Range: 348--348Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Mahon, RobinType: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 2Date: 1982Page Range: 231--232Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Mahon, Robin - Ferguson, MarkType: ArticleIn: The Canadian field-naturalistVolume: 95Series:Issue: 3Date: 1981Page Range: 272--275Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: