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By: Holst, MeikeType: ArticleIn: The Canadian field-naturalistVolume: 131Series:Issue: 2Date: 2017-10-29Page Range: 120--124Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Stirling, Ian - Holst, MeikeType: ArticleIn: The Canadian field-naturalistVolume: 114Series:Issue: 1Date: 2000Page Range: 147--149Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: