Published in Journal of Raptor Research, in 1998, in volume 32, issue 2, pages 104-110

Created: 2017-04-07, modified: 2017-04-07

Published in Acta Botánica Mexicana, in 2003, in volume 63, pages 55-57

Created: 2018-04-15, modified: 2018-04-15

Published in Arquivos Do Museu Nacional, in 2007, in volume 65, issue 4, pages 551-572

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Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 137-142

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Published in Acta Botánica Mexicana, in 1991, in volume 16, pages 1-5

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Published in Biol Bull, in 1977, in volume 153, pages 485-504

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Published in Madroño, in 1944, in volume 7, issue 5, pages 159-160

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Published in Acta Botánica Mexicana, in 2004, in volume 67, pages 1-41

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Published in Acta Botánica Mexicana, in 2002, in volume 58, pages 1-6

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Published in Rhodora, in 1932, in volume 34, issue 400, pages 67

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Published in Torreya, in 1934, in volume 34, issue 1, pages 15-16

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Published in Gayana, in 1999, in volume 63, issue 2, pages 63-65

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Published in Acta Botánica Mexicana, in 2002, in volume 59, pages 75-80

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Published in Sida, Contributions To Botany, in 2002, in volume 20, issue 2, pages 487-493

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Published in Nautilus Philadelphia, in 1953, in volume 67, pages 46-47

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Published in Madroño, in 1929, in volume 1, issue 16, pages 241-242

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Published in Torreya, in 1937, in volume 37, issue 3, pages 55-57

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Published in Acta Botánica Mexicana, in 2003, in volume 63, pages 59-66

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Published in Tulane Studies in Zoology and Botany, in 1972, in volume 17, issue 3, pages 41-55

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Published in Novon, in 2002, in volume 12, pages 481-485

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Published in Victorian Naturalist, in 2011, in volume 128, issue 4, pages 151

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Published in The Auk, in 1897, in volume 14, pages 101-102

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Published in The Auk, in 1916, in volume 33, pages 329-330

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Published in The Wilson Bulletin, in 1903, in volume 15, issue 1, pages 32

Created: 2016-11-27, modified: 2016-11-27

Published in Rhodora, in 1933, in volume 35, issue 414, pages 225-226

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Published in Rhodora, in 1960, in volume 62, issue 741, pages 258-262

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1357-1361

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Published in The Auk, in 1904, in volume 21, pages 297-299

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Published in Victorian Naturalist, in 2007, in volume 124, issue 2, pages 125-126

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Published in The Auk, in 1909, in volume 26, pages 81-82

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

Published in The Auk, in 1919, in volume 36, pages 587-589

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

Published in The Auk, in 1901, in volume 18, pages 272

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Published in Phytologia, in 1976, in volume 33, issue 7, pages 455-466

Created: 2016-05-06, modified: 2016-05-06

Published in American Fern Journal, in 1999, in volume 89, pages 267-268

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Published in Madroño, in 1943, in volume 7, issue 1, pages 1-4

Created: 2016-02-15, modified: 2016-07-07

Published in Madroño, in 1957, in volume 14, issue 4, pages 133-144

Created: 2016-02-15, modified: 2016-07-07

Published in Torreya, in 1942, in volume 42, issue 1, pages 14-17

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Published in Zoological Science, in 1991, in volume 8, pages 879-884

Created: 2012-09-19, modified: 2012-09-19

Published in The Wilson Bulletin, in 1994, in volume 106, issue 1, pages 138-145

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Published in Phytologia, in 1985, in volume 59, pages 67-71

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Published in Biol Bull, in 1901, in volume 2, pages 195-207

Created: 2010-01-06, modified: 2011-06-21

Published in Adansonia, in 1964, in volume 4, issue 3, pages 427-455

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Published in The Auk, in 1908, in volume 25, pages 153-166

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

Published in The Auk, in 1907, in volume 24, pages 158-159

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

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 191-193

Created: 2013-03-11, modified: 2013-03-11

Published in The Auk, in 1906, in volume 23, pages 153-161

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

Published in The Wilson Bulletin, in 1902, in volume 14, issue 1, pages 16-20

Created: 2016-11-27, modified: 2016-11-27

Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 2, pages 165-189

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 3, pages 289-291

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1938, in volume 19, issue 2, pages 134-148

Created: 2016-07-07, modified: 2016-07-07