Published in Gardens' Bulletin Singapore, in 1982, in volume 35, issue 2, pages 233-234

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Published in American Fern Journal, in 1983, in volume 73, pages 109-116

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Published in Palaeontology, in 1985, in volume 28, issue 1, pages 159-188

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Published in Zoological Science, in 1987, in volume 4, pages 395-410

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Published in Proceedings of The Entomological Society of Washington, in 1978, in volume 80, pages 343

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Published in Rhodora, in 1944, in volume 46, issue 547, pages 253-254

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Published in Nautilis, in 1900, in volume 14, pages 75-79

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Published in Gardens' bulletin, Singapore, in 1977, in volume 30, pages 239-250

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Published in Gardens' Bulletin, Singapore, in 1983, in volume 36, issue 1, pages 25-29

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Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 197-211

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Published in Proceedings of The American Philosophical Society, in 1878, in volume 18, issue 102, pages 26-29

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Published in American Fern Journal, in 1974, in volume 64, pages 31

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Published in Proceedings of The American Philosophical Society, in 1876, in volume 16, issue 97, pages 241-276

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Published in Proceedings of The American Philosophical Society, in 1876, in volume 16, issue 98, pages 340-345

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Published in The Wilson Bulletin, in 1919, in volume 31, issue 1, pages 6-20

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Published in The Wilson Bulletin, in 1919, in volume 31, issue 2, pages 45-52

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Published in Palaeontology, in 1974, in volume 17, issue 4, pages 841-868

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0

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Published in Annals of the Missouri Botanical Garden, in 2001, in volume 88, pages 694-712

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Published in Novon, in 1998, in volume 8, pages 124-126

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Published in Novon, in 2001, in volume 11, pages 329-331

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Published in The Auk, in 1897, in volume 14, pages 182-186

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Published in Contributions From The University of Michigan Herbarium, in 1990, in volume 17, pages 267-278

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Published in Palaeontology, in 1978, in volume 20, issue 4, pages 763-792

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1952, in 1884, pages 1-7

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1927, in 1878, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1901, in 1867, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1899, in 1860, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1897, in 1860, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1895, in 1859, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1923, in 1874, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1917, in 1873, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1913, in 1873, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1971, in 1885, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1907, in 1871, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1905, in 1871, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1925, in 1875, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1903, in 1870, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1910, in 1873, pages 1

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1990, in 1887, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1975, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1979, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1983, in 1886, pages 1-3

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1973, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2125, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2021, pages 1-5

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

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2080, in 1890, pages 1-2

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Published in Quart J Fla Acad Sci, in 1967, in volume 29, pages 199-201

Created: 2013-03-28, modified: 2013-03-28

Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 289-307

Created: 2017-01-01, modified: 2017-01-01

Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 361-391

Created: 2017-01-01, modified: 2017-01-01