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By: Blokpoel, Hans, - Heyland, J. Douglas - Burton, J. - Samson, N.Type: ArticleIn: The Canadian field-naturalistVolume: 89Series:Issue: 3Date: 1975Page Range: 268--277Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Heyland, J. DouglasType: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 4Date: 1970Page Range: 397--397Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Heyland, J. DouglasType: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 4Date: 1970Page Range: 397--398Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Heyland, J. Douglas - Chamberlain, Everett B. - Kimball,Charles F. - Baldwin,Donald H.Type: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 4Date: 1970Page Range: 398--399Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Mary-Rousselière, Guy - Heyland, J. DouglasType: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 1Date: 1974Page Range: 92--92Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: