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By: Houston, C Stuart - L'Arrivée, Louis P. - Blokpoel, Hans,Type: ArticleIn: The Canadian field-naturalistVolume: 105Series:Issue: 3Date: 1991Page Range: 416--416Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: L'Arrivée, Louis P. - Blokpoel, Hans,Type: ArticleIn: The Canadian field-naturalistVolume: 104Series:Issue: 4Date: 1990Page Range: 534--539Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: