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By: Hansen, Albert AType: ArticleIn: TorreyaVolume: 17Series:Issue: 4Date: 1917Page Range: 55--58Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Hansen, Albert AType: ArticleIn: TorreyaVolume: 18Series:Issue: 4Date: 1918Page Range: 65--69Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Hansen, Albert AType: ArticleIn: TorreyaVolume: 22Series:Issue: 5Date: 1922Page Range: 73--77Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Hansen, Albert A - Benedict, Ralph C. (Ralph Curtiss), - Hastings, G TType: ArticleIn: TorreyaVolume: 23Series:Issue: 5Date: 1923Page Range: 85--89Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects: