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By: Larivière, Serge - Walton, Lyle R. - Virgl, John A.Type: ArticleIn: The Canadian field-naturalistVolume: 114Series:Issue: 1Date: 2000Page Range: 142--144Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Virgl, John A. - Mahoney, Shane P. - Mawhinney, Kimberley M.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 2Date: 2003-04-01Page Range: 236--244Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Virgl, John A. - McPhail, J. D.Type: ArticleIn: The Canadian field-naturalistVolume: 108Series:Issue: 3Date: 1994Page Range: 355--360Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: