Published in Copeia, in 1916, in volume 33, pages 53-54

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Published in Annals of the Carnegie Museum, in 1916, in volume 10, pages 93-142

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Published in Memoirs of the Carnegie Museum, in 1932, in volume 12, issue 2, pages 1-3

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Published in Annals of the Carnegie Museum, in 1925, in volume 16, pages 131-141

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Published in Hedwigia, in 1903, in volume 42, pages 308-309

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Published in Annals of the Carnegie Museum, in 1928, in volume 19, pages 47-99

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Published in Archiv für Naturgeschichte, in 1836, in volume 2, issue 1, pages 159-163

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Published in Torreya, in 1924, in volume 24, issue 3, pages 48-52

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Published in Botanical Gazette, in 1920, in volume 69, issue 4, pages 318-331

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Published in Torreya, in 1906, in volume 6, issue 9, pages 189-195

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Published in Pacific Science, in 1953, in volume 7, issue 2, pages 193-218

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Published in Rhodora, in 1931, in volume 33, issue 392, pages 171-172

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Published in Botanical Gazette, in 1918, in volume 66, issue 6, pages 524-533

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Published in Botanical Gazette, in 1921, in volume 71, issue 6, pages 446-453

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Published in Pacific Science, in 1954, in volume 8, issue 3, pages 239-242

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Published in Botanical Gazette, in 1921, in volume 71, issue 1, pages 61-74

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Published in Journal of The Washington Academy of Sciences, in 1950, in volume 40, pages 207-08

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Published in Annals And Magazine of Natural History, in 1869, in volume 4, issue 22, pages 274-277

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Published in Banisteria, in 2012, in volume 39, pages 65-70

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Published in Torreya, in 1912, in volume 12, issue 2, pages 36-42

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Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 185-240

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Published in Entomologist's Record and Journal of Variation, in 2001, in volume 113, issue 2, pages 85-86

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Published in Psyche: A Journal of Entomology, in 1960, in volume 67, issue 4, pages 81-86

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Published in Biol Bull, in 1903, in volume 5, pages 42-54

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Published in Madroño, in 2008, in volume 55, pages 202-215

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Published in Biol Bull, in 1903, in volume 4, pages 129-136

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Published in Biol Bull, in 1974, in volume 146, pages 157-164

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Published in Proceedings of The American Philosophical Society, in 1903, in volume 42, issue 172, pages 96-103

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Published in Transactions of the South African Philosophical Society, in 1900, in volume 11, issue 1, pages 236-242

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Published in Annals And Magazine of Natural History, in 1879, in volume 3, pages 114-126

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Published in Journal of the Linnean Society of London, Zoology, in 1906, in volume 29, issue 193, pages 410-413

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Published in Memoirs of the American Entomological Society, in 1965, in volume 19, pages 1-438

Created: 2014-12-17, modified: 2014-12-17

Published in The Great Basin Naturalist, in 1987, in volume 47, issue 1, pages 105-109

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

Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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

Published in Asa Gray correspondence. Senders A, in 1888, pages 1

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

Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Psyche: A Journal of Entomology, in 1966, in volume 73, issue 3, pages 157-164

Created: 2016-06-27, modified: 2016-06-27

Published in Madroño, in 1961, in volume 16, issue 2, pages 74-76

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Published in Asa Gray correspondence. Senders A, in 1893, pages 1

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Published in Rhodora, in 1961, in volume 63, issue 745, pages 29-30

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Published in Rhodora, in 1957, in volume 59, issue 700, pages 100

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Published in Torreya, in 1922, in volume 22, issue 2, pages 30-31

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

Published in Torreya, in 1912, in volume 12, issue 2, pages 33-34

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

Published in Torreya, in 1905, in volume 5, issue 9, pages 157-160

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Published in Biol Bull, in 1954, in volume 107, pages 57-63

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

Published in Annals And Magazine of Natural History, in 1882, in volume 9, pages 13-20

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Published in Madroño, in 2008, in volume 55, pages 41-51

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

Published in Journal of The Asiatic Society of Bengal, in 1876, in volume 45, issue III, pages 279-290

Created: 2023-09-11, modified: 2023-09-11

Published in Rhodora, in 1943, in volume 45, issue 534, pages 217-220

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

Published in Rhodora, in 1946, in volume 48, issue 573, pages 263-264

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