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Published in Rhodora, in 1960, in volume 62, issue 742, pages 293
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Published in Rhodora, in 1900, in volume 2, issue 16, pages 81-83
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Published in Botanical Gazette, in 1906, in volume 41, issue 1, pages 76
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Published in Torreya, in 1903, in volume 3, issue 2, pages 19-21
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Published in Torreya, in 1914, in volume 14, issue 1, pages 10-11
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