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By: Dutilly, ArthemeType: ArticleIn: The Canadian field-naturalistVolume: 60Series:Issue: 2Date: 1946Page Range: 35--44Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Haglund, Gustaf - Dutilly, ArthemeType: ArticleIn: RhodoraVolume: 45Series:Issue:Date: 1943Page Range: 337--343Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: