Published in Palaeontology, in 1988, in volume 31, issue 4, pages 965-996
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Published in Palaeontology, in 1990, in volume 33, issue 4, pages 981-992
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Published in Madroño, in 1964, in volume 17, issue 8, pages 294-295
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Published in Madroño, in 1957, in volume 14, issue 3, pages 108-110
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Published in Palaeontology, in 1997, in volume 40, issue 1, pages 167-189
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Published in Madroño, in 1954, in volume 12, issue 8, pages 225-238
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Published in Psyche, in 1940, in volume 47, issue 4, pages 125-128
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Published in Phytologia, in 1979, in volume 41, issue 3, pages 139-143
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Published in Madroño, in 1946, in volume 8, issue 5, pages 152-157
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Published in Psyche: A Journal of Entomology, in 1941, in volume 48, issue 2-3, pages 79-94
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1888, pages 1-6
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Published in Biol Bull, in 1966, in volume 130, pages 369-377
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Published in Madroño, in 1959, in volume 15, issue 4, pages 97-110
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Published in Madroño, in 1968, in volume 19, issue 6, pages 224
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1879, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1893, pages 1-4
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Published in American Fern Journal, in 1976, in volume 66, pages 26-27
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Published in Journal of The New York Entomological Society, in 1916, in volume 24, pages 267-301
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Published in Psyche, in 1925, in volume 32, issue 4-5, pages 195-226
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Published in Bulletin of the Brooklyn Entomological Society, in 1917, in volume 12, pages 116-118
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Published in Psyche: A Journal of Entomology, in 1924, in volume 31, issue 5, pages 238-242
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Published in Psyche: A Journal of Entomology, in 1938, in volume 45, issue 4, pages 165-181
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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1890, pages 1
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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
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Published in Arnaldoa, in 2007, in volume 14, issue 1, pages 143
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Published in Psyche: A Journal of Entomology, in 1920, in volume 27, issue 5, pages 116-127
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Published in Annals of the Entomological Society of America, in 1918, in volume 11, issue 4, pages 347-366
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Published in Annals of the Entomological Society of America, in 1915, in volume 8, issue 1, pages 74-78
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Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1915, in volume 11, pages 269-273
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Published in Moscosoa, in 1993, in volume 7, issue 0, pages 199-200
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Published in Sida, Contributions To Botany, in 1985, in volume 11, issue 2, pages 245
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Published in Sida, Contributions To Botany, in 1969, in volume 3, issue 5, pages 350-351
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Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 1, pages 119-120
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Published in Sida, Contributions To Botany, in 1990, in volume 14, issue 2, pages 179-187
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Published in Sida, Contributions To Botany, in 1994, in volume 16, issue 2, pages 375-376
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Published in Jour Washington Acad Sci, in 1933, in volume 23, pages 429-435
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