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By: Clark, Ernest DType: ArticleIn: TorreyaVolume: 11Series:Issue: 2Date: 1911Page Range: 23--31Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Clark, Ernest DType: ArticleIn: TorreyaVolume: 11Series:Issue: 4Date: 1911Page Range: 84--92Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Clark, Ernest DType: ArticleIn: TorreyaVolume: 11Series:Issue: 5Date: 1911Page Range: 101--110Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Clark, Ernest DType: ArticleIn: TorreyaVolume: 11Series:Issue: 3Date: 1911Page Range: 55--61Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Ford, William W. (William Webber), - Clark, Ernest DType: ArticleIn: Journal of the New York Botanical GardenVolume: 15Series:Issue: 176Date: 1914-08Page Range: 159--168Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-Subjects: