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Published in Rhodora, in 1914, in volume 16, issue 189, pages 166

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Published in Rhodora, in 1911, in volume 13, issue 148, pages 76

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Published in Rhodora, in 1917, in volume 19, issue 220, pages 61-69

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Published in Rhodora, in 1911, in volume 13, issue 145, pages 9-10

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Published in Rhodora, in 1937, in volume 39, issue 459, pages 100

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Published in Botanical Gazette, in 1920, in volume 69, issue 5, pages 438-442

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Published in Botanical Gazette, in 1921, in volume 72, issue 1, pages 31-38

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Published in Botanical Gazette, in 1921, in volume 72, issue 2, pages 102-105

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Published in Botanical Gazette, in 1922, in volume 74, issue 1, pages 80-94

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Published in Proceedings of The American Philosophical Society, in 1885, in volume 22, issue 120, pages 375-376

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Published in The Auk, in 1903, in volume 20, pages 316

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Published in Rhodora, in 1920, in volume 22, issue 261, pages 145-146

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Published in Rhodora, in 1911, in volume 13, pages 207-208

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Published in Proceedings of the Malacological Society of London, in 1899, in volume 3, issue 5, pages 267

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Published in The Auk, in 1901, in volume 18, pages 288-289

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Published in The Wilson Bulletin, in 1937, in volume 49, issue 2, pages 85-90

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Published in The Wilson Bulletin, in 1938, in volume 50, issue 4, pages 225-238

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Published in Rhodora, in 1922, in volume 24, issue 288, pages 241-242

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Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 54-55

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Published in Biol Bull, in 1963, in volume 125, pages 534-541

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Published in Transactions of The American Microscopical Society, in 1897, in volume 19, pages 74-82

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Published in Nautilis, in 1929, in volume 43, pages 31-33

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Published in Nautilis, in 1943, in volume 57, pages 35-36

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Published in The Wilson Bulletin, in 1937, in volume 49, issue 4, pages 276-282

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Published in The Wilson Bulletin, in 1926, in volume 38, issue 1, pages 14-16

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Published in The Wilson Bulletin, in 1933, in volume 45, issue 2, pages 66-69

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