Published in Rhodora, in 2003, in volume 105, issue 921, pages 92-93
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Published in Asa Gray correspondence. Senders A, in 1889, pages 1
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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 Rhodora, in 1940, in volume 42, issue 500, pages 280
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Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81
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Published in Rhodora, in 1934, in volume 36, issue 429, pages 344-346
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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 Novon, in 2006, in volume 16, pages 168-204
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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
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Published in Botanical Gazette, in 1890, in volume 15, issue 11, pages 299-304
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Published in Palaeontology, in 1964, in volume 7, issue 1, pages 72-84
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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
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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
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Published in Entomol News, in 1978, in volume 89, pages 101-102
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Published in Rhodora, in 1940, in volume 42, issue 501, pages 343-344
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Published in Pacific Science, in 1951, in volume 5, issue 1, pages 82-89
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Published in Rhodora, in 1940, in volume 42, issue 499, pages 276
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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
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Published in Rhodora, in 1998, in volume 100, issue 901, pages 1-24
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Published in Sida, Contributions To Botany, in 1993, in volume 15, pages 619-622
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Published in Phytoneuron, in 2013, in volume 2013-35, pages 1-3
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Published in Proceedings of the Entomological Society of Washington, in 1988, in volume 90, pages 52-54
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Published in Entomol. News, in 1978, in volume 89, pages 33-38
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Published in Proceedings of the California Academy of Sciences, in 1971, in volume 37, issue 17, pages 501-508
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Published in Psyche, in 1940, in volume 47, issue 2-3, pages 75-84
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Published in Psyche: A Journal of Entomology, in 1934, in volume 41, issue 2, pages 57-59
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Published in Zeitschrift für Säugetierkunde, in 1983, in volume 49, pages 226-234
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Published in Psyche: A Journal of Entomology, in 1942, in volume 49, issue 1-2, pages 1-3
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Published in Entomological News, in 1981, in volume 92, pages 69-74
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Published in Asa Gray correspondence. Senders A, in 1864, pages 1
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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
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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 1877, pages 1-4
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 1875, pages 1-2
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Published in Entomological News, in 1949, in volume 60, pages 118-128
Created: 2010-01-08, modified: 2021-04-05
Published in Proceedings of The Entomological Society of Washington, in 1979, in volume 81, pages 332-334
Created: 2011-06-10, modified: 2011-06-21
Published in Psyche: A Journal of Entomology, in 1934, in volume 41, issue 2, pages 63-65
Created: 2016-06-19, modified: 2016-06-19
Published in Biol Bull, in 1973, in volume 144, pages 229-247
Created: 2010-01-06, modified: 2011-06-21
Published in Proceedings of the Entomological Society of Washington, in 1988, in volume 90, pages 201-203
Created: 2010-11-04, modified: 2011-06-21
Published in Annals of the Missouri Botanical Garden, in 1927, in volume 14, pages 359-424
Created: 2010-01-08, modified: 2015-12-16