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By: Ulke, TitusType: ArticleIn: The Canadian field-naturalistVolume: 37Series:Issue: 3Date: 1923-03Page Range: 54--55Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ulke, TitusType: ArticleIn: The Canadian field-naturalistVolume: 37Series:Issue: 4Date: 1923-04Page Range: 62--64Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ulke, TitusType: ArticleIn: The Canadian field-naturalistVolume: 49Series:Issue: 3Date: 1935-03Page Range: 49--55Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ulke, TitusType: ArticleIn: The Canadian field-naturalistVolume: 49Series:Issue: 4Date: 1935-04Page Range: 71--76Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ulke, TitusType: ArticleIn: The Canadian field-naturalistVolume: 49Series:Issue: 6Date: 1935-09Page Range: 108--109Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Ulke, TitusType: ArticleIn: TorreyaVolume: 38Series:Issue: 3Date: 1938Page Range: 57--62Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Ulke, TitusType: ArticleIn: TorreyaVolume: 41Series:Issue: 4Date: 1941Page Range: 111--112Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects: