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Published in Proceedings of The United States National Museum, in 1911, in volume 41, pages 209-224

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Published in Proceedings of The United States National Museum, in 1941, in volume 91, pages 91-102

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Published in Proceedings of The United States National Museum, in 1911, in volume 39, pages 497-527

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Published in Proceedings of The United States National Museum, in 1922, in volume 61, pages 1-160

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Published in Proceedings of The United States National Museum, in 1908, in volume 34, pages 407-432

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Published in Proceedings of The United States National Museum, in 1941, in volume 89, pages 519-522

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Published in Proceedings of The United States National Museum, in 1906, in volume 30, pages 1-66

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Published in Proceedings of The United States National Museum, in 1908, in volume 35, pages 133-154

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Published in Proceedings of The United States National Museum, in 1903, in volume 26, pages 565-591

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Published in Proceedings of The United States National Museum, in 1906, in volume 30, pages 149-164

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Published in Proceedings of The United States National Museum, in 1908, in volume 35, pages 277-340

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Published in Jour Washington Acad Sci, in 1941, in volume 31, pages 173-179

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Published in Proceedings of the United States National Museum, in 1927, in volume 69, issue 2640, pages 1-42

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Published in Journal of The Washington Academy of Sciences, in 1936, in volume 26, issue 4, pages 156-162

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Published in United States National Museum Bulletin, in 1923, in volume 125, pages 1-302

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Published in United States National Museum Bulletin, in 1933, in volume 165, pages 1-108

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Published in Proceedings of the United States National Museum, in 1930, in volume 76, pages 1-78

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Published in United States National Museum Bulletin, in 1917, in volume 96, pages 1-87

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Published in The Auk, in 1904, in volume 21, pages 425-442

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Published in The Auk, in 1906, in volume 23, pages 400-418

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Published in Proceedings of The United States National Museum, in 1913, in volume 46, pages 57-59

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Published in The Auk, in 1905, in volume 22, pages 363-371

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Published in Botanical Gazette, in 1919, in volume 68, issue 2, pages 73-108

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Published in Biol Bull, in 1955, in volume 108, pages 277-282

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Published in Cryptogamie. Algologie, in 1988, in volume 9, issue 1, pages 65-72

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Published in Journal of The Lepidopterists' Society, in 1986, in volume 39, pages 266-267

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Published in The Wilson Bulletin, in 1997, in volume 109, issue 1, pages 52-67

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Published in Botanical Gazette, in 1918, in volume 66, issue 4, pages 383-385

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Published in The Auk, in 1903, in volume 20, pages 180-193

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Published in Biol Bull, in 1954, in volume 106, pages 100-106

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Published in Biol Bull, in 1957, in volume 112, pages 171-179

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Published in Zoologica, in 1968, in volume 53, issue 3, pages 33-46

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Published in Rhodora, in 1942, in volume 44, issue 526, pages 405-406

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Published in Rhodora, in 1972, in volume 74, issue 800, pages 525

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Published in Proceedings of The Royal Society of Victoria, in 1959, in volume 71, issue 1, pages 45-48

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Published in Biol Bull, in 1994, in volume 186, pages 41-61

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Published in Paleontological Research, in 2001, in volume 5, pages 177-191

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Published in Botanical Gazette, in 1907, in volume 44, issue 4, pages 241-258

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Published in Madroño, in 1951, in volume 11, issue 3, pages 143-144

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Published in Madroño, in 1987, in volume 34, issue 3, pages 228-239

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Published in Madroño, in 1992, in volume 39, issue 3, pages 237-238

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Published in Proceedings of The Biological Society of Washington, in 1980, in volume 93, pages 597-608

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Published in Journal of The Bombay Natural History Society, in 1991, in volume 88, issue 2, pages 309-311

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Published in Novon, in 1998, in volume 8, pages 288-295

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Published in Botanical Gazette, in 1880, in volume 5, issue 6, pages 67-70

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Published in Botanical Gazette, in 1917, in volume 64, issue 5, pages 437

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Published in Proceedings of the United States National Museum, in 1880, in volume 3, pages 36-38

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Published in Proceedings of the United States National Museum, in 1880, in volume 3, pages 133-135

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Published in Rhodora, in 1993, in volume 95, issue 882, pages 188

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