Published in Botanical Gazette, in 1893, in volume 18, issue 10, pages 378-382

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Published in Botanical Gazette, in 1895, in volume 20, issue 6, pages 269-271

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Published in Botanical Gazette, in 1896, in volume 22, issue 4, pages 301-328

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Published in Copeia, in 1917, in volume 51, pages 104

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Published in Copeia, in 1915, in volume 20, pages 24

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Published in Copeia, in 1915, in volume 21, pages 27-28

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Published in The Auk, in 1920, in volume 37, pages 519-540

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Published in Asa Gray correspondence. Senders A, in 1875, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1875, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1886, pages 1-2

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Published in Copeia, in 1917, in volume 39, pages 1-2

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Published in Rhodora, in 1910, in volume 12, pages 146-154

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Published in The Auk, in 1918, in volume 35, pages 82

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Published in Rhodora, in 1923, in volume 25, issue 299, pages 203-204

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Published in The Auk, in 1914, in volume 31, pages 526-534

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Published in Zoologica New York, in 1924, in volume 5, pages 63-65

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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders A, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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Published in Copeia, in 1917, in volume 46, pages 66-68

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Published in The Auk, in 1913, in volume 30, pages 505-511

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Published in Rhodora, in 1912, in volume 14, issue 159, pages 45-52

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Published in Rhodora, in 1919, in volume 21, issue 243, pages 68

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Published in Zoologica, in 1938, in volume 23, issue 6, pages 191-193

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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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Published in Proc. Biol. Soc. Wash., in 1918, in volume 31, pages 15-20

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Published in Torreya, in 1914, in volume 14, issue 4, pages 55-64

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Published in Ibis, in 1914, in volume 2, issue 2, pages 315-317

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Published in Copeia, in 1915, in volume 19, pages 12-13

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Published in The Auk, in 1918, in volume 35, pages 492-493

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Published in Biol Bull, in 1957, in volume 112, pages 371-376

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Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 171-173

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Published in Torreya, in 1913, in volume 13, issue 5, pages 89-112

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Published in Torreya, in 1921, in volume 21, issue 3, pages 50-52

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Published in Torreya, in 1921, in volume 21, issue 4, pages 65-66

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Published in Torreya, in 1913, in volume 13, issue 9, pages 199-215

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Published in Torreya, in 1915, in volume 15, issue 8, pages 181-182

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Published in Copeia, in 1917, in volume 45, pages 59-60

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Published in The Auk, in 1914, in volume 31, pages 100

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Published in The Auk, in 1916, in volume 33, pages 320-321

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Published in Rhodora, in 1935, in volume 37, issue 438, pages 227-228

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Published in Rhodora, in 1936, in volume 38, issue 450, pages 240

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Published in Entomological News Philadelphia, in 1940, in volume 51, pages 37-42

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Published in Rhodora, in 1901, in volume 3, issue 36, pages 285-288

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Published in Rhodora, in 1901, in volume 3, issue 28, pages 67-71

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Published in Rhodora, in 1901, in volume 3, issue 34, pages 255-262

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Published in Proceedings of the Biological Society of Washington, in 1920, in volume 33, pages 59-64

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Published in Palaeontology, in 1995, in volume 38, issue 4, pages 875-895

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Published in Psyche: A Journal of Entomology, in 1881, in volume 3, issue 84, pages 198

Created: 2016-06-19, modified: 2016-06-19