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By: Zavitz, C. HaroldType: ArticleIn: The Canadian field-naturalistVolume: 63Series:Issue: 1Date: 1949Page Range: 42--43Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Zavitz, C. HaroldType: ArticleIn: The Canadian field-naturalistVolume: 66Series:Issue: 5Date: 1952Page Range: 144--145Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Zavitz, C. HaroldType: ArticleIn: The Canadian field-naturalistVolume: 62Series:Issue: 4Date: 1948Page Range: 126--126Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Zavitz, C. Harold - Gaiser, Lulu OdellType: ArticleIn: RhodoraVolume: 58Series:Issue:Date: 1956Page Range: 31--35Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: