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in 1888, pages 1-2
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Published in Ent. News, in 1899, in volume 10, pages 23-29
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Published in Glasgow Naturalist, in 1995, in volume 22, issue 5, pages 527-528
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Published in Entomological News, Philadelphia, in 1896, in volume 7, issue 10, pages 300-305
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Published in Entomological News, Philadelphia, in 1897, in volume 8, issue 1, pages 7-9
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Published in Biol Bull, in 1926, in volume 51, pages 69-72
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Published in Rhodora, in 1954, in volume 56, issue 668, pages 169-177
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Published in Rhodora, in 1953, in volume 55, issue 651, pages 61-62
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Published in Great Basin Naturalist, in 1978, in volume 37, pages 443-452
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1662
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Published in Rhodora, in 1934, in volume 36, issue 430, pages 376
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 944
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 952
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Published in The Wilson Bulletin, in 1936, in volume 48, issue 4, pages 284-289
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Published in Madroño, in 1966, in volume 18, issue 7, pages 211-213
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Published in Fieldiana-Zool., in 1960, in volume 39, pages 387-398
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Published in The Wilson Bulletin, in 1938, in volume 50, issue 4, pages 294
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Published in Madroño, in 1939, in volume 5, issue 2, pages 75-77
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Published in Entomologist's Record and Journal of Variation, in 1997, in volume 109, issue 3-4, pages 80
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Published in Records of The Auckland Institute And Museum, in 1938, in volume 2, pages 157-164
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Published in Rhodora, in 1954, in volume 56, issue 661, pages 7-21
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Published in Rhodora, in 1899, in volume 1, issue 3, pages 57
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Published in Rhodora, in 1920, in volume 22, issue 264, pages 193-194
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Published in The Wilson Bulletin, in 1905, in volume 17, issue 2, pages 44-47
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Published in Madroño, in 1958, in volume 14, issue 7, pages 248
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Published in Rhodora, in 1940, in volume 42, issue 495, pages 57-83
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Published in Rhodora, in 1940, in volume 42, issue 498, pages 203-213
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1362
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Published in American Fern Journal, in 1917, in volume 7, pages 63-66
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Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 898
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1042
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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 552
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Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 196
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Published in Palaeontology, in 1980, in volume 23, issue 3, pages 657-666
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Published in Bulletin of the Museum at Harvard College,, in 1900, in volume 36, pages 17-64
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Published in Madroño, in 1996, in volume 43, issue 2, pages 273-291
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Published in Annals of the Missouri Botanical Garden, in 1932, in volume 19, pages 429-496
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Published in Nautilis, in 1942, in volume 56, pages 61-62
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Published in Botanical Gazette, in 1914, in volume 57, issue 1, pages 32-52
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Published in Madroño, in 1948, in volume 9, issue 8, pages 233-238
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Published in Torreya, in 1945, in volume 44, issue 3, pages 52-58
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Published in Rhodora, in 1940, in volume 42, issue 496, pages 105-143
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Published in Rhodora, in 1940, in volume 42, issue 497, pages 158-193
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Published in Transactions of The American Microscopical Society, in 1912, in volume 31, pages 225-230
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Published in Gardens' Bulletin Singapore, in 1989, in volume 42, issue 1, pages 47-64
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Published in Botanical Gazette, in 1915, in volume 60, issue 3, pages 215-227
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Published in Sida, Contributions To Botany, in 2002, in volume 20, issue 2, pages 514
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Published in Compte Rendu, in 1874, in volume 79, pages 398-401
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