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Published in Transactions of The Linnean Society of London, in 1791, in volume 1, pages 76-80

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Published in Transactions of The Linnean Society of London, in 1794, in volume 2, pages 242-244

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Published in Transactions of The Linnean Society of London, in 1802, in volume 6, pages 99-102

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Published in Novapex, in 2013, in volume 14, issue 3, pages 77-79

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Published in Transactions of The Linnean Society of London, in 1808, in volume 9, pages 268-271

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Published in Transactions of The Linnean Society of London, in 1807, in volume 8, pages 1-16

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Published in Transactions of The Linnean Society of London, in 1807, in volume 8, pages 300-307

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Published in Transactions of The Linnean Society of London, in 1807, in volume 8, pages 286-290

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Published in Transactions of The Linnean Society of London, in 1807, in volume 8, pages 308-317

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Published in Rhodora, in 1903, in volume 5, issue 49, pages 32-35

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Published in Annals of the Missouri Botanical Garden, in 1966, in volume 53, pages 258-259

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Published in Transactions of The Linnean Society of London, in 1808, in volume 9, pages 296-300

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Published in Madroño, in 1991, in volume 38, issue 1, pages 45-56

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Published in Madroño, in 2001, in volume 48, issue 3, pages 177-197

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1879, pages 1-2

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1876, pages 1-2

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1879, pages 1-2

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1874, pages 1-2

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1860, pages 1-2

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1863, pages 1-2

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Published in Sida, Contributions To Botany, in 1997, in volume 17, issue 4, pages 691-695

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Published in Madroño, in 2007, in volume 54, pages 101

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1879, pages 1

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Published in British Journal of Entomology and Natural History, in 2002, in volume 15, issue 1, pages 25-46

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Published in Madroño, in 1993, in volume 40, issue 3, pages 178-186

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Published in Annals And Magazine of Natural History, in 1905, in volume 15, issue 86, pages 190-193

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Published in Molluscan Research, in 1999, in volume 20, issue 1, pages 95-97

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Published in Madroño, in 1935, in volume 3, issue 3, pages 144-145

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Published in Sida, Contributions To Botany, in 1986, in volume 11, issue 4, pages 455-470

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