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Published in Journal of The New York Entomological Society, in 1926, in volume 34, issue 1, pages 23-25

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Published in Novon, in 1997, in volume 7, pages 14-16

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Published in Journal of the Arnold Arboretum, in 1983, in volume 64, pages 105-128

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Published in Phytologia, in volume 69, pages 464-466

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Published in Novon, in 2000, in volume 10, pages 400-402

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Published in Novon, in 1996, in volume 6, pages 185-190

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Published in Journal of the Arnold Arboretum, in 1983, in volume 64, pages 1-103

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Published in Asa Gray correspondence. Senders A, in 1838, pages 1-3

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Published in Asa Gray correspondence. Senders A, in 1859, pages 1-2

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Published in Transactions of the South African Philosophical Society, in 1897, in volume 10, issue 2, pages 295-302

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Published in American Malacological Bulletin, in 2008, in volume 26, issue 1-2, pages 171-177

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Published in Torreya, in 1906, in volume 6, issue 3, pages 48-50

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Published in Psyche: A Journal of Entomology, in 1880, in volume 3, issue 72, pages 54

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Published in Botanical Gazette, in 1909, in volume 48, issue 4, pages 283-293

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in 1903, pages 1-296

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1-3

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, pages 1-2

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Published in Nuytsia, in 2012, in volume 22, issue 6, pages 469

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1843, pages 1-0

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1843, pages 1-0

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1842, pages 1

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1850, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1850, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1850, pages 1-2

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1845, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in George Bentham letters to Asa Gray, 1839-1883, in 1845, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in George Bentham letters to Asa Gray, 1839-1883, in 1844, pages 1-0

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1849, pages 1-0

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Published in George Bentham letters to Asa Gray, 1839-1883, in 1849, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in George Bentham letters to Asa Gray, 1839-1883, in 1849, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in George Bentham letters to Asa Gray, 1839-1883, in 1843, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in George Bentham letters to Asa Gray, 1839-1883, in 1848, pages 1-0

Created: 2017-06-24, modified: 2017-06-24