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By: Moruzzi, Trina L. - Royar, Kimberly J. - Grove, Clayton - Brooks, Robert T. - Bernier, Christopher - Thompson, Frank R - DeGraaf, Richard M. - Fuller, Todd KType: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 2Date: 2003-04-01Page Range: 190--195Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: