Published in Annals of the Missouri Botanical Garden, in 2000, in volume 87, pages 63-66
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Published in Palaeontology, in 1974, in volume 17, issue 1, pages 179-202
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Published in Quarterly journal of microscopical science, in 1913, in volume 59, issue 234, pages 297-308
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Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 105-118
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 405-411
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Published in Madroño, in 2014, in volume 61, pages 328-338
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Published in Quarterly journal of microscopical science, in 1908, in volume 52, issue 207, pages 407-422
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Published in Annals of Tropical Medicine & Parasitology, in 1917, in volume 10, issue 4, pages 397-410
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Published in The Wilson Bulletin, in 1989, in volume 101, issue 3, pages 390-409
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Published in Palaeontology, in 1976, in volume 19, issue 2, pages 247-291
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Published in Paleontological Research, in 1997, in volume 1, pages 225-233
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Published in Journal of The Botanical Research Institute of Texas, in 2013, in volume 7, issue 2, pages 632
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Published in Glasgow Naturalist, in 2012, in volume 25, issue 4, pages 79-86
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Published in Bulletin of the Natural History Museum. Geology series., in 2000, in volume 56, pages 85-90
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Published in Annals of Tropical Medicine & Parasitology, in 1917, in volume 10, issue 4, pages 411-426
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Published in John Carey letters to Asa Gray, 1837-2220, pages 1-2
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in 1853, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-1974, pages 1-4
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Published in John Carey letters to Asa Gray, 1837-1981, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-1983, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-1985, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-1987, pages 1-3
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Published in John Carey letters to Asa Gray, 1837-2126, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-2128, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-2137, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-2124, pages 1-2
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Published in John Ball letters to Asa Gray, 1876-1888, pages 1
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Published in John Carey letters to Asa Gray, 1837-2206, in 1868, pages 1-2
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Published in John Carey letters to Asa Gray, 1837-2015, pages 1-3
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Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
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Published in John Carey letters to Asa Gray, 1837-1932, in 1847, pages 1-3
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Published in John Carey letters to Asa Gray, 1837-1935, in 1847, pages 1-5
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1940, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1943, in 1847, pages 1-5
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1920, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1923, in 1846, pages 1-3
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Published in John Carey letters to Asa Gray, 1837-1926, in 1846, pages 1-3
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Published in John Carey letters to Asa Gray, 1837-1960, in 2017, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1917, in 1846, pages 1-3
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Published in John Carey letters to Asa Gray, 1837-1929, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in John Carey letters to Asa Gray, 1837-1948, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in John Ball letters to Asa Gray, 1876-1888, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24