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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 Entomologist's Record and Journal of Variation, in 1997, in volume 109, issue 3-4, pages 80

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Published in Madroño, in 1996, in volume 43, issue 2, pages 273-291

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Published in Glasgow Naturalist, in 1995, in volume 22, issue 5, pages 527-528

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Published in Biol Bull, in 1926, in volume 51, pages 69-72

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Published in Nautilis, in 1917, in volume 30, pages 129-130

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Published in The Great Basin Naturalist, in 1985, in volume 45, issue 3, pages 535-541

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Published in Great Basin Naturalist, in 1978, in volume 37, pages 443-452

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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 Records of The Auckland Institute And Museum, in 1938, in volume 2, pages 157-164

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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 Bulletin du Muséum national d'histoire naturelle, in 1920, in volume 26, issue 7, pages 626

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Published in British Journal of Entomology And Natural History, in 1991, in volume 4, pages 131-132

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Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 51-52

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Published in Biol Bull, in 1940, in volume 78, pages 338-348

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Published in British Journal of Entomology and Natural History, in 2005, in volume 18, issue 1, pages 51-52

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Published in The Great Basin Naturalist, in 1994, in volume 54, issue 2, pages 162-169

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Published in Records of the Australian Museum, in 1999, in volume 51, issue 2, pages 113-122

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Published in Transactions of The New Zealand Institute, in 1893, in volume 25, pages 88-106

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Published in Proceedings of the Biological Society of Washington, in 1981, in volume 94, issue 2, pages 535-560

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Published in Transactions of The Linnean Society of London, in 1794, in volume 2, pages 103-125

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Published in American Fern Journal, in 1985, in volume 75, pages 18

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Published in Rhodora, in 1971, in volume 73, issue 793, pages 72-159

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Published in Rhodora, in 1971, in volume 73, issue 794, pages 161-237

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Published in Rhodora, in 1971, in volume 73, issue 795, pages 370-443

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Published in Rhodora, in 1971, in volume 73, issue 796, pages 465-540

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Published in Proceedings of The American Philosophical Society, in 1885, in volume 22, issue 120, pages 227-240

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Published in Madroño, in 1964, in volume 17, issue 5, pages 145-152

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Published in Tijdschrift Voor Entomologie, in 1948, in volume 89, pages 1-9

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Published in Palaeontology, in 1963, in volume 6, issue 3, pages 397-407

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Published in Biol Bull, in 1912, in volume 22, pages 205-218

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Published in Moscosoa, in 1989, in volume 5, pages 276-291

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in 1859, pages 1-3

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Published in Nautilis, in 1912, in volume 26, pages 83-84

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Published in Scopus, in 1987, in volume 9, pages 146-159

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Published in Proceedings of The American Philosophical Society, in 1863, in volume 9, issue 70, pages 443-449

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Published in Breviora, in 1983, in volume 473, pages 1-35

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Published in Novon, in 1998, in volume 8, pages 204-206

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Published in Rhodora, in 1970, in volume 72, issue 792, pages 548-550

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Published in The Auk, in 1888, in volume 5, pages 204-205

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Published in Madroño, in 1938, in volume 4, issue 7, pages 239-240

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Published in Phytologia, in 1972, in volume 23, issue 3, pages 304

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Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81

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Published in Torreya, in 1904, in volume 4, issue 4, pages 58-59

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Published in Great Basin Naturalist, in 1973, in volume 33, pages 221-224

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Published in Phytologia, in 1986, in volume 59, issue 6, pages 383-388

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Published in Rhodora, in 1996, in volume 98, issue 893, pages 99-102

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