Published in Journal of The New York Entomological Society, in 1981, in volume 89, issue 2, pages 65-79

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Published in Malakozoologische Blätter, in 1876, in volume 23, pages 180-182

Created: 2017-10-18, modified: 2017-10-18

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

Created: 2017-06-18, modified: 2017-06-18

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

Created: 2017-06-18, modified: 2017-06-18

Published in Transactions of the Academy of Sciences of St. Louis, in 1873, in volume 3, pages 65-166

Created: 2011-06-02, modified: 2022-12-02

Published in Proc Ent Soc Washington, in 1948, in volume 50, pages 77-82

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Published in The Great Basin Naturalist, in 1991, in volume 51, issue 3, pages 261-266

Created: 2017-11-16, modified: 2017-11-16

Published in The Wilson Bulletin, in 1956, in volume 68, issue 3, pages 200-209

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Published in Annals of the Missouri Botanical Garden, in 1999, in volume 86, pages 590-643

Created: 2010-01-08, modified: 2015-12-17

Published in Palaeontology, in 1997, in volume 40, issue 1, pages 121-133

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Published in Biol Bull, in 1961, in volume 120, pages 348-352

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Published in Bulletin de la Société Botanique de France, in 1906, in volume 53, pages 667-668

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Published in Rhodora, in 1938, in volume 40, issue 471, pages 136

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Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), pages 1-2

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

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Published in Rhodora, in 1938, in volume 40, issue 476, pages 281-323

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Published in Novitates Zoologicae, in 1926, in volume 33, issue 1, pages 1-32

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Published in Rhodora, in 1937, in volume 39, issue 468, pages 496

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Published in Madroño, in 1938, in volume 4, issue 8, pages 272-273

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Published in Atti Della Societa Italiana Di Scienze Naturali E Del Museo Civico Di Storia Naturale Di Milano, in 1992, in volume 132, issue 24, pages 309-335

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Published in Proceedings of The Royal Society of Victoria, in 1985, in volume 97, issue 2, pages 95-100

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Published in Asa Gray correspondence. Senders Be-Bo, pages 1

Created: 2017-03-12, modified: 2017-06-09

Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1881, pages 1-3

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

Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1882, pages 1-4

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

Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1888, pages 1-2

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

Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1888, pages 1-2

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

Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1888, pages 1-2

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Published in Novitates Zoologicae Tring, in 1928, in volume 34, issue 2, pages 53-70

Created: 2011-10-05, modified: 2023-02-16

Published in Rhodora, in 1960, in volume 62, issue 737, pages 134-141

Created: 2014-06-16, modified: 2016-07-26

Published in Rhodora, in 1939, in volume 41, issue 484, pages 138

Created: 2014-06-16, modified: 2016-07-26

Published in Botanical Gazette, in 1897, in volume 23, issue 1, pages 53-54

Created: 2017-03-14, modified: 2017-03-14

Published in Proceedings of The American Philosophical Society, in 1876, in volume 16, issue 98, pages 293-298

Created: 2017-01-01, modified: 2017-01-01

Published in Fieldiana Botany, in 1962, in volume 29, issue 7, pages 375-389

Created: 2019-01-03, modified: 2023-02-16

Published in Fieldiana. Botany, in 1963, in volume 29, issue 10, pages 545-586

Created: 2019-01-03, modified: 2023-02-16

Published in Fieldiana Botany, in 1964, in volume 31, issue 2, pages 11-48

Created: 2019-01-03, modified: 2023-02-16

Published in Fieldiana Botany, in 1970, in volume 32, issue 12, pages 179-206

Created: 2015-11-29, modified: 2023-02-16

Published in Fieldiana: Botany, in 1968, in volume 32, issue 4, pages 35-61

Created: 2014-02-05, modified: 2023-02-16

Published in Fieldiana Botany, in 1972, in volume 34, issue 8, pages 101-132

Created: 2019-01-03, modified: 2023-02-16

Published in Novitates Zoologicae, in 1925, in volume 32, pages 31-69

Created: 2010-11-21, modified: 2015-07-27

Published in Novitates Zoologicae Tring, in 1932, in volume 38, pages 103-126

Created: 2011-10-05, modified: 2017-06-06

Published in Madroño, in 1936, in volume 3, issue 6, pages 230-231

Created: 2016-02-15, modified: 2016-07-07

Published in Rhodora, in 1928, in volume 30, issue 359, pages 209-223

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

Published in Botanical Gazette, in 1906, in volume 42, issue 4, pages 312

Created: 2017-03-14, modified: 2017-03-14

Published in The Wilson Bulletin, in 1912, in volume 24, issue 2, pages 111-114

Created: 2016-11-27, modified: 2016-11-27

Published in The Wilson Bulletin, in 1927, in volume 39, issue 3, pages 191-192

Created: 2016-11-27, modified: 2016-11-27

Published in Novitates Zoologicae Tring, in 1931, in volume 36, issue 2, pages 151-180

Created: 2011-10-05, modified: 2023-02-16

Published in Fieldiana Botany, in 1973, in volume 36, issue 4, pages 21-29

Created: 2016-07-05, modified: 2023-02-16

Published in Entomological News, Philadelphia, in 1902, in volume 13, issue 2, pages 33-34

Created: 2009-12-26, modified: 2021-04-05

Published in Torreya, in 1902, in volume 2, issue 2, pages 24-25

Created: 2022-12-14, modified: 2022-12-14

Published in Entomologische Zeitung Stettin, in 1864, in volume 25, pages 310-312

Created: 2016-11-22, modified: 2016-11-22