Published in Novon, in 2006, in volume 16, pages 168-204
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Published in Asa Gray correspondence. Senders A, in 1889, pages 1
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Published in Phytoneuron, in 2013, in volume 2013-35, pages 1-3
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Published in Rhodora, in 2003, in volume 105, issue 921, pages 92-93
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Published in Entomological News, in 1981, in volume 92, pages 69-74
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Published in Botanical Gazette, in 1887, in volume 12, issue 8, pages 192
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Published in Palaeontology, in 1964, in volume 7, issue 1, pages 85-104
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Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 329-338
Created: 2010-01-08, modified: 2015-12-16
Published in Rhodora, in 1940, in volume 42, issue 500, pages 280
Created: 2014-06-16, modified: 2016-07-26
Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81
Created: 2017-03-14, modified: 2017-03-14
Published in The Coleopterists Bulletin, in 1949, in volume 3, issue 3, pages 47
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Published in Journal of Mammalogy, in 1921, in volume 2, pages 32-35
Created: 2013-03-08, modified: 2018-04-12
Published in Acta Botánica Mexicana, in 2013, in volume 104, pages 107-156
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Published in Rhodora, in 1934, in volume 36, issue 429, pages 344-346
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1932, in volume 34, issue 397, pages 1-4
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Published in Botanical Gazette, in 1887, in volume 12, issue 3, pages 65-66
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Published in Madroño, in 1970, in volume 20, issue 5, pages 288
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Published in American Fern Journal, in 1931, in volume 21, pages 11-20
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Published in American Fern Journal, in 1931, in volume 21, pages 64-71
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Published in Botanical Gazette, in 1889, in volume 14, issue 7, pages 180-181
Created: 2017-03-14, modified: 2017-03-14
Published in Botanical Gazette, in 1890, in volume 15, issue 11, pages 299-304
Created: 2017-03-14, modified: 2017-03-14
Published in Transactions of The San Diego Society of Natural History, in 1976, in volume 18, pages 155-168
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Published in The Wilson Bulletin, in 1973, in volume 85, issue 2, pages 197-208
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Published in Palaeontology, in 1998, in volume 41, issue 3, pages 387-421
Created: 2016-04-22, modified: 2016-04-22
Published in Entomological News, in 1980, in volume 91, pages 85-87
Created: 2011-06-10, modified: 2021-04-05
Published in Acta Botánica Mexicana, in 2014, in volume 109, pages 23-43
Created: 2016-05-12, modified: 2017-04-27
Published in Palaeontology, in 1964, in volume 7, issue 1, pages 72-84
Created: 2016-04-23, modified: 2016-04-23
Published in Journal of The Arnold Arboretum, in 1934, in volume 15, issue 1, pages 28-42
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Published in Botanical Gazette, in 1891, in volume 16, issue 2, pages 45-49
Created: 2017-03-14, modified: 2017-03-14
Published in Contributions in Science, in 1989, in volume 402, pages 1-43
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Published in Torreya, in 1936, in volume 36, issue 6, pages 150-156
Created: 2022-12-14, modified: 2022-12-14
Published in Madroño, in 2005, in volume 52, pages 270-271
Created: 2016-02-15, modified: 2016-07-07
Published in Asa Gray correspondence. Senders A, in 1837, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1837, pages 1-3
Created: 2017-06-18, modified: 2017-06-18
Published in Rhodora, in 1998, in volume 100, issue 901, pages 1-24
Created: 2014-06-16, modified: 2016-07-26
Published in Sida, Contributions To Botany, in 1993, in volume 15, pages 619-622
Created: 2014-02-06, modified: 2014-02-06
Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 395-418
Created: 2010-01-08, modified: 2015-12-16
Published in Contributions from the University of Michigan Herbarium, in 1975, in volume 11, issue 2, pages 41-50
Created: 2016-07-11, modified: 2016-07-11
Published in Acta Botánica Mexicana, in 2006, in volume 74, pages 179-183
Created: 2018-05-21, modified: 2018-05-21
Published in The Wilson Bulletin, in 1994, in volume 106, issue 3, pages 537-548
Created: 2016-12-04, modified: 2016-12-04
Published in Journal of The Adelaide Botanic Garden, in 1980, in volume 2, issue 2, pages 139-149
Created: 2022-11-15, modified: 2022-11-15
Published in Pan-Pacific Entomologist, in 1974, in volume 50, issue 3, pages 255-268
Created: 2017-07-23, modified: 2017-07-23
Published in Madroño, in 2008, in volume 55, pages 15-25
Created: 2016-02-15, modified: 2016-07-07
Published in Biol Bull, in 1983, in volume 165, pages 110-118
Created: 2010-01-07, modified: 2011-06-21
Published in Proceedings of The Linnean Society of New South Wales, in 1934, in volume 59, pages 270-272
Created: 2011-05-31, modified: 2018-04-12
Published in Asa Gray correspondence. Senders A, in 1864, pages 1
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1877, pages 1-4
Created: 2017-06-18, modified: 2017-06-18