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By: Helleiner, Christopher W.Type: ArticleIn: The Canadian field-naturalistVolume: 81Series:Issue: 3Date: 1967Page Range: 230--230Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Helleiner, Christopher W.Type: ArticleIn: The Canadian field-naturalistVolume: 82Series:Issue: 2Date: 1968Page Range: 152--152Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Helleiner, Christopher W.Type: ArticleIn: The Canadian field-naturalistVolume: 87Series:Issue: 3Date: 1973Page Range: 315--315Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Helleiner, Christopher W.Type: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 1Date: 1979Page Range: 66--67Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: