Published in Pan-Pacific Entomologist, in 1998, in volume 74, issue 2, pages 85-98

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Published in American Fern Journal, in 1915, in volume 5, pages 108-113

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Published in The Wilson Bulletin, in 1966, in volume 78, issue 2, pages 248

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Published in The Wilson Bulletin, in 1965, in volume 77, issue 3, pages 302-305

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Published in Annals of The South African Museum, in 1965, in volume 48, pages 189-193

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Published in Journal of the Arnold Arboretum, in 1931, in volume 12, pages 49-59

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Published in Annals of the Missouri Botanical Garden, in 1931, in volume 18, pages 117-244

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Published in Torreya, in 1903, in volume 3, issue 1, pages 3-4

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Published in Annals of the Missouri Botanical Garden, in 1929, in volume 16, pages 389-392

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Published in Rhodora, in 1920, in volume 22, issue 261, pages 156

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Published in Rhodora, in 1914, in volume 16, issue 190, pages 183-184

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Published in Madroño, in 1940, in volume 5, issue 8, pages 241-246

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Published in Biol Bull, in 1909, in volume 17, pages 120-160

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Published in Rhodora, in 1913, in volume 15, issue 179, pages 204

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Published in Rhodora, in 1912, in volume 14, issue 166, pages 207

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Published in Rhodora, in 1920, in volume 22, issue 260, pages 129-138

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Published in Bulletin du Musée D'histoire Naturelle, in 1906, in volume 12, issue 2, pages 120

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Published in Botanical Gazette, in 1917, in volume 64, issue 2, pages 159-164

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Published in Rhodora, in 1913, in volume 15, issue 170, pages 44

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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 Madroño, in 1941, in volume 6, issue 3, pages 82-84

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Published in Annals of the Missouri Botanical Garden, in 1933, in volume 20, pages 23-44

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Published in The Wilson Bulletin, in 1953, in volume 65, issue 1, pages 40

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Published in Journal of The New York Entomological Society, in 1930, in volume 38, issue 4, pages 463-468

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Published in Zoologica, in 1955, in volume 40, issue 11, pages 125-132

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

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1885, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1885, pages 1-2

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1885, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1885, pages 1-3

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Published in Asa Gray correspondence. Senders Li-Ly, 1839-1891 (inclusive), in 1863, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Rhodora, in 1981, in volume 83, issue 835, pages 474

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1983, in volume 85, issue 843, pages 396

Created: 2016-07-19, modified: 2016-07-19

Published in Biol Bull, in 1905, in volume 8, pages 169-188

Created: 2010-01-06, modified: 2011-06-21

Published in Biol Bull, in 2002, in volume 202, pages 6-22

Created: 2010-01-07, modified: 2011-06-21

Published in Annals of the Missouri Botanical Garden, in 1927, in volume 14, pages 1-46

Created: 2010-01-08, modified: 2015-12-16

Published in Proceedings of the Entomological Society of Washington, in 1964, in volume 66, pages 101-102

Created: 2011-05-06, modified: 2011-06-21

Published in Veliger, in 1991, in volume 34, issue 4, pages 317-323

Created: 2014-07-18, modified: 2014-07-18

Published in Victorian Naturalist, in 2006, in volume 123, issue 4, pages 270-278

Created: 2017-10-12, modified: 2017-10-12

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

Created: 2010-01-06, modified: 2011-06-21

Published in Biol Bull, in 1969, in volume 136, pages 167-184

Created: 2010-01-06, modified: 2011-06-21