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Authors: Otto Degener | Isa Degener

Published in Phytologia, in 1971, in volume 22, issue 2, pages 83-84

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Published in Ibis, in 1906, in volume 6, issue 2, pages 307-317

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Published in Annals And Magazine of Natural History, in 1909, in volume 3, pages 257-266

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Authors: F Hopkinson | David Rittenhouse

Published in Transactions of the American Philosophical Society, in 1786, in volume 2, pages 201-206

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Authors: David E Krantz | Douglas S Jones | Douglas F Williams

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Authors: Mr David Douglas

Published in Transactions of The Linnean Society of London, in 1829, in volume 16, pages 133-149

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Authors: David Douglas

Published in Transactions of The Linnean Society of London, in 1833, in volume 16, pages 747-749

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Authors: Mr David Don

Published in Transactions of The Linnean Society of London, in 1834, in volume 17, pages 11-15

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Authors: W R Ogilvie‐Grant

Published in Ibis, in 1908, in volume 2, issue 2, pages 264-317

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Authors: Mr David Don

Published in Transactions of The Linnean Society of London, in 1833, in volume 16, pages 599-606

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Authors: Scott M Lanyon | Douglas F Stotz | David E Willard

Published in The Wilson Bulletin, in 1990, in volume 102, issue 4, pages 571-580

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Published in Journal of the Linnean Society of London, Zoology, in 1885, in volume 19, issue 110-111, pages 117-131

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Authors: David C Simon | Douglas F Markle

Published in The Great Basin Naturalist, in 1997, in volume 57, issue 2, pages 142-148

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Authors: Mr David Don | A B Lambert

Published in Transactions of The Linnean Society of London, in 1822, in volume 13, pages 341-452

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Published in Journal of the Linnean Society of London, Zoology, in 1885, in volume 19, issue 109, pages 58-84

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Authors: David Rittenhouse

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 261

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Authors: Loren M Smith | Douglas G Sheeley | David B Wester

Published in The Great Basin Naturalist, in 1992, in volume 52, issue 3, pages 226-231

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Authors: David S Jordan

Published in Proceedings of The United States National Museum, in 1885, in volume 8, pages 81-83

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Authors: David C Douglas | John T Ratti | R Alan Black | J Richard Alldredge

Published in The Wilson Bulletin, in 1992, in volume 104, issue 3, pages 485-500

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Authors: Anne; Wallis Douglas

Published in Victorian Naturalist, in 2007, in volume 124, issue 1, pages 45-46

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Authors: Douglas Goldman

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Authors: Mr G L Bates | David A Bannerman

Published in Ibis, in 1921, in volume 3, issue 1, pages 81-121

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Authors: Douglas H Campbell

Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1

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Authors: David S Jordan | A Seale

Published in Proceedings of the United States National Museum, in 1907, in volume 33, pages 535-543

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Authors: E Everts

Published in Tijdschrift Voor Entomologie, in 1889, in volume 33, pages 349-353

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Authors: W Distant

Published in Annals and Magazine of Natural History. London, in 1913, in volume 11, pages 554-557

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Authors: Douglas Carruthers

Published in Ibis, in 1922, in volume 4, issue 3, pages 471-474

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Authors: Harold L Osborne | David L Kulhavy

Published in The Coleopterists Bulletin, in 1975, in volume 29, issue 2, pages 71-73

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Authors: David S Jordan | John O Snyder

Published in Proceedings of the United States National Museum, in 1905, in volume 29, pages 353-357

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Authors: Douglas H Campbell

Published in Asa Gray correspondence. Senders Ca-Cl, pages 1

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Authors: Douglas H Campbell

Published in Botanical Gazette, in 1888, in volume 13, issue 2, pages 40

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Published in Botanical Gazette, in 1911, in volume 52, issue 4, pages 328

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Authors: David Rittenhouse

Published in Transactions of the American Philosophical Society, in 1786, in volume 2, pages 178-181

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Authors: David Rittenhouse | Francis Hopkinson

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 122-125

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Authors: Douglas E Soltis | Christopher H Haufler | David C Darrow | Gerald J Gastony

Published in American Fern Journal, in 1983, in volume 73, pages 9-27

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Authors: Craig R Ely | David C Douglas | Ada C Fowler | Christopher A Babcock | Dirk V Derksen | J Y Takekawa

Published in The Wilson Bulletin, in 1997, in volume 109, issue 4, pages 679-692

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Authors: Review By: Ellen Dean

Published in Madroño, in 2011, in volume 58, issue 4, pages 273-274

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Authors: Douglas Zollner | Michael H Macroberts | Barbara R Macroberts | Douglas Ladd

Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1781-1791

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Authors: Douglas Houghton Campbell

Published in Torreya, in 1908, in volume 8, issue 5, pages 103-110

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Authors: Arthur Douglas

Published in Ibis, in 1906, in volume 6, issue 1, pages 46-52

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Authors: Douglas James

Published in The Wilson Bulletin, in 1977, in volume 89, issue 3, pages 505

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Authors: David S Jordan

Published in Proceedings of the United States National Museum, in 1886, in volume 9, pages 225-229

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Authors: David S Jordan | Carl H Eigenmann

Published in Proceedings of The United States National Museum, in 1887, in volume 10, pages 269-270

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Authors: Douglas Houghton Campbell

Published in Torreya, in 1904, in volume 4, issue 6, pages 81-86

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Authors: Francis W Pennell | Douglas H Campbell

Published in Torreya, in 1911, in volume 11, issue 1, pages 15-17

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Authors: Douglas D Dow

Published in Western Australian Naturalist, in 1971, in volume 11, issue 8, pages 184-186

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