Published in The Great Basin Naturalist, in 1994, in volume 54, issue 2, pages 162-169

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Published in Madroño, in 2008, in volume 55, issue 1, pages 89-90

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Published in The Auk, in 1912, in volume 29, pages 261

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Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 186

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Published in Proceedings of the United States Natural Museum, in 1944, in volume 96, pages 1-45

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Published in The Wilson Bulletin, in 1999, in volume 111, issue 2, pages 294

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Published in Smithsonian miscellaneous collections, in 1921, in volume 69, issue 5, pages 1-309

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Published in Biol Bull, in 1990, in volume 178, pages 210-216

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1

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Published in Proceedings of The Biological Society of Washington, in 1940, in volume 53, pages 81-89

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Published in Smithsonian miscellaneous collections, in 1913, in volume 60, issue 2, pages 2-21

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Published in Jour Washington Acad Sci, in 1931, in volume 21, pages 249-251

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Published in The Auk, in 1918, in volume 35, pages 233-234

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Published in Botanical Gazette, in 1886, in volume 11, issue 1, pages 1-6

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Published in Jour Washington Acad Sd, in 1939, in volume 29, pages 300-301

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Published in Jour Washington Acad Sci, in 1932, in volume 22, pages 274-275

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Published in Jour Washington Acad Sci, in 1932, in volume 22, pages 312-313

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Published in Jour Washington Acad Sci, in 1936, in volume 26, pages 32-34

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Published in Copeia, in 1915, in volume 19, pages 11-12

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Published in The Auk, in 1906, in volume 23, pages 99-100

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Published in Botanical Gazette, in 1887, in volume 12, issue 7, pages 150-152

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Published in Botanical Gazette, in 1896, in volume 22, issue 1, pages 55-56

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Published in Biol Bull, in 1953, in volume 105, pages 450-465

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Published in Jour Washington Acad Sci, in 1932, in volume 22, pages 386-388

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Published in The Auk, in 1902, in volume 19, pages 121-127

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Published in Journal of Mammalogy, in 1922, in volume 3, pages 40-41

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Published in Journal of Mammalogy, in 1921, in volume 2, pages 232-233

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Published in Quarterly Journal of The Florida Academy of Sciences, in 1959, in volume 22, pages 76-77

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Published in Smithsonian Institution Miscellaneous Collection, in 1914, in volume 63, pages 1-7

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Published in Smithsonian miscellaneous collections, in 1913, in volume 60, issue 22, pages 1-20

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Published in Sida, Contributions To Botany, in 1998, in volume 18, issue 1, pages 350-352

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 494-498

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 498-499

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Published in Jour Washington Acad Sci, in 1931, in volume 21, pages 416-426

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Published in Palaeontology, in 1997, in volume 40, issue 4, pages 965-1010

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Published in The Auk, in 1888, in volume 5, pages 207-208

Created: 2013-03-08, modified: 2013-03-08