Published in Contributions in Science, in 1963, in volume 77, pages 1-13
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Published in Contributions In Science (Los Angeles), in 1979, in volume 301, pages 1-8
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Published in Contributions in Science, in 1970, in volume 196, pages 1-11
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Published in Contributions in Science, in 1975, in volume 269, pages 1-41
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Published in The Auk, in 1910, in volume 27, pages 474-476
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Published in Psyche: A Journal of Entomology, in 1959, in volume 66, issue 4, pages 55-59
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Published in Asa Gray correspondence. Senders Br-Bz, in 1848, pages 1-6
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Published in Torreya, in 1906, in volume 6, issue 11, pages 233-237
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Published in Zoologica, in 1965, in volume 50, issue 3, pages 45-46
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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1876, pages 1-2
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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1871, pages 1-2
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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1836, pages 1-3
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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1864, pages 1-2
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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1865, pages 1-2
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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1865, pages 1-2
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Published in Rhodora, in 1940, in volume 42, issue 497, pages 197-198
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Published in Torreya, in 1906, in volume 6, issue 9, pages 186-189
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Published in Zoologica, in 1966, in volume 51, issue 6, pages 71-76
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Published in Asa Gray correspondence. Senders A, pages 1
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Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1881, pages 1-2
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Published in Nautilis, in 1927, in volume 41, pages 1-6
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Published in Nautilis, in 1931, in volume 45, pages 37-41
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Published in Palaeontology, in 1963, in volume 6, issue 1, pages 55-69
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Published in Phytologia, in 1982, in volume 51, issue 2, pages 163
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Published in Torreya, in 1912, in volume 12, issue 12, pages 290-291
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Published in Torreya, in 1908, in volume 8, issue 5, pages 111-112
Created: 2022-12-15, modified: 2022-12-15
Published in Psyche: A Journal of Entomology, in 1966, in volume 73, issue 4, pages 261-277
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Published in Biol Bull, in 1911, in volume 20, pages 266-280
Created: 2010-01-06, modified: 2011-06-21
Published in Psyche: A Journal of Entomology, in 1889, in volume 5, issue 154-155, pages 171-180
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Published in Torreya, in 1901, in volume 1, issue 2, pages 22-23
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Published in Torreya, in 1908, in volume 8, issue 3, pages 50-55
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Published in The Auk, in 1914, in volume 31, pages 415
Created: 2013-03-08, modified: 2013-03-08
Published in Scientific reports John Murray Expedition 1933-34, in 1966, in volume 11, issue 1, pages 1-165
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Published in Rhodora, in 1959, in volume 61, issue 723, pages 85
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Published in Madroño, in 1938, in volume 4, issue 7, pages 201-203
Created: 2016-02-15, modified: 2016-07-07
Published in Psyche: A Journal of Entomology, in 1916, in volume 23, issue 6, pages 173-174
Created: 2016-06-19, modified: 2016-06-19
Published in Psyche: A Journal of Entomology, in 1910, in volume 17, issue 5, pages 186-190
Created: 2016-06-19, modified: 2016-06-19
Published in Torreya, in 1904, in volume 4, issue 10, pages 150-151
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Published in Entomological News (Philadelphia), in 1901, in volume 12, pages 277-278
Created: 2011-05-20, modified: 2021-04-05
Published in The Auk, in 1886, in volume 3, pages 483-484
Created: 2013-03-07, modified: 2013-03-08
Published in Nautilis, in 1937, in volume 50, pages 135-140
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1937, in volume 50, pages 98-100
Created: 2013-09-28, modified: 2013-09-28
Published in Psyche: A Journal of Entomology, in 1916, in volume 23, issue 1, pages 25
Created: 2016-06-19, modified: 2016-06-19
Published in Rhodora, in 1908, in volume 10, issue 118, pages 179-184
Created: 2016-07-19, modified: 2016-07-19
Published in Madroño, in 1948, in volume 9, issue 6, pages 186-187
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1949, in volume 10, issue 2, pages 62-64
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1986, in volume 33, issue 3, pages 234-235
Created: 2016-02-15, modified: 2016-07-07
Published in Torreya, in 1907, in volume 7, issue 7, pages 139-140
Created: 2022-12-15, modified: 2022-12-15
Published in Torreya, in 1908, in volume 8, issue 9, pages 209-217
Created: 2022-12-15, modified: 2022-12-15
Published in Transactions of The Royal Entomological Society of London, in 1901, in volume 49, pages 257-344
Created: 2010-06-23, modified: 2015-11-23