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By: Hamer, David M. - Herrero, Stephen - Brady, KeithType: ArticleIn: The Canadian field-naturalistVolume: 105Series:Issue: 3Date: 1991Page Range: 325--329Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Brady, Keith - Hamer, David M.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 4Date: 1992Page Range: 519--520Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: