Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 55-56

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Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 202-203

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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 Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 534-567

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

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Published in Breviora, in 1963, in volume 187, pages 1-13

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

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 178-182

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

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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 Botanical Gazette, in 1908, in volume 45, issue 2, pages 135-136

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Published in Psyche: A Journal of Entomology, in 1979, in volume 86, issue 4, pages 395-398

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Published in Asa Gray correspondence. Senders Br-Bz, in 1875, pages 1

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Published in Journal of Hymenoptera Research, in 2010, in volume 19, pages 187-188

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Published in Rhodora, in 1904, in volume 6, issue 64, pages 65-71

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 51-55

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Published in Rhodora, in 1927, in volume 29, pages 158-160

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Published in Proceedings of The American Philosophical Society, in 1880, in volume 19, issue 107, pages 203-209

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Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 40

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Published in Jour Washington Acad Sci, in 1933, in volume 23, pages 137-138

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Published in Jour Washington Acad Sci, in 1943, in volume 33, pages 316-317

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Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 141-147

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Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 159-161

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Published in Proceedings of The American Philosophical Society, in 1875, in volume 14, issue 94, pages 344-346

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Published in Proceedings of The American Philosophical Society, in 1878, in volume 18, issue 102, pages 34-36

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Published in Proceedings of The American Philosophical Society, in 1879, in volume 18, issue 103, pages 224-232

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Published in Proceedings of The American Philosophical Society, in 1881, in volume 19, issue 108, pages 262-274

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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 1916, in volume 61, issue 4, pages 340-343

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Published in Entomological News, Philadelphia, in 1916, in volume 27, issue 3, pages 143-144

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Published in Madroño, in 1996, in volume 43, issue 1, pages 14

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Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 187-190

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Published in Jour Washington Acad Sci, in 1952, in volume 42, pages 122-124

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Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 17-22

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Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 123

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Published in Proceedings of The American Philosophical Society, in 1881, in volume 19, issue 109, pages 567-612

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Published in Proceedings of The American Philosophical Society, in 1882, in volume 20, issue 111, pages 237-283

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Published in Proceedings of The American Philosophical Society, in 1883, in volume 21, issue 114, pages 120-134

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Published in Proceedings of The American Philosophical Society, in 1878, in volume 17, issue 101, pages 701-704

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Published in Rhodora, in 1908, in volume 10, issue 119, pages 207-208

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Published in American Fern Journal, in 1915, in volume 5, pages 79-83

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Published in Madroño, in 1946, in volume 8, issue 6, pages 187-189

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

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Published in Journal of Arachnology, in 2008, in volume 36, issue 2, pages 472-475

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Published in Journal of The Washington Academy of Sciences, in 1927, in volume 17, issue 6, pages 142-147

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Published in Jour Washington Acad Sci, in 1937, in volume 27, pages 143-146

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Published in Proceedings of The American Philosophical Society, in 1860, in volume 7, issue 63, pages 177-291

Created: 2017-01-01, modified: 2017-01-01