Published in The Wilson Bulletin, in 1956, in volume 68, issue 3, pages 239-244
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Published in Biol Bull, in 1945, in volume 88, pages 12-29
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Published in The Auk, in 1910, in volume 27, pages 76-77
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Published in Annals of the Missouri Botanical Garden, in 1919, in volume 6, pages 175-177
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Published in Entomological News, in 1999, in volume 110, pages 317-319
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Published in Bulletin of The British Ornithologists' Club, in 1992, in volume 112, pages 81-85
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Published in Bulletin of The British Ornithologists' Club, in 1989, in volume 109, pages 106-107
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Published in Discovery Reports Cambridge, in 1930, in volume 2, pages 1-222
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Published in Madroño, in 1932, in volume 2, issue 7, pages 63
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Published in Annals of the Missouri Botanical Garden, in 1916, in volume 3, pages 403-406
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Published in Torreya, in 1936, in volume 36, issue 5, pages 117-123
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Published in Phytologia, in 1984, in volume 54, pages 486-489
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Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 1-16
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Published in Journal of The Botanical Research Institute of Texas, in 2010, in volume 4, issue 1, pages 391-409
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Published in Mémoires du Muséum National d'Histoire Naturelle. Série A, Zoologie, in 1982, in volume 123, issue 1, pages 47-52
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Published in Transactions of the Academy of Science of St. Louis, in 1933, in volume 28, pages 1-104
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Published in Palaeontology, in 1967, in volume 10, issue 2, pages 298-306
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Published in Proceedings of the United States National Museum, in 1930, in volume 78, issue 2849, pages 1-52
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Published in Memoirs of the Queensland Museum, in 1972, in volume 16, pages 291-307
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Published in American Fern Journal, in 1928, in volume 18, pages 56-57
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Published in Proceedings of The American Philosophical Society, in 1902, in volume 41, issue 169, pages 200-206
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Published in American Fern Journal, in 1928, in volume 18, pages 87-93
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Published in Botanical Gazette, in 1904, in volume 37, issue 2, pages 139-143
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Published in Biol Bull, in 1943, in volume 85, pages 103-115
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Published in Rhodora, in 1899, in volume 1, issue 4, pages 59-67
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Published in Rhodora, in 1899, in volume 1, issue 5, pages 91
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Published in The Auk, in 1920, in volume 37, pages 163-164
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Published in Annals of the Missouri Botanical Garden, in 1917, in volume 4, pages 305-362
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Published in Annals of the Missouri Botanical Garden, in 1919, in volume 6, pages 171-174
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Published in Proceedings of The American Philosophical Society, in 1908, in volume 47, issue 188, pages 37-38
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Published in Proceedings of the California Academy of Sciences, in 1919, in volume 9, pages 37-67
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Published in Memoirs of the Queensland Museum, in 1977, in volume 18, issue 1, pages 65-67
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Published in Jour Washington Acad Sci, in 1929, in volume 19, pages 428-434
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Published in Botanical Gazette, in 1898, in volume 25, issue 3, pages 172-186
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Published in Annals of the Missouri Botanical Garden, in 1914, in volume 1, pages 185-227
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Published in Annals of the Missouri Botanical Garden, in 1919, in volume 6, pages 143-145
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Published in Annals of the Missouri Botanical Garden, in 1923, in volume 10, pages 179-189
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1924, in volume 11, pages 37-42
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1925, in volume 12, pages 213-357
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1914, in volume 1, pages 327-350
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 627-658
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1916, in volume 3, pages 203-241
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1916, in volume 3, pages 319-343
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1917, in volume 4, pages 237-269
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1918, in volume 5, pages 177-203
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1918, in volume 5, pages 301-372
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 81-249
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1921, in volume 8, pages 361-396
Created: 2010-01-08, modified: 2015-12-16
Published in Novon, in 1999, in volume 9, pages 483-489
Created: 2011-01-28, modified: 2016-02-16
Published in Novon, in 1998, in volume 8, pages 304-306
Created: 2011-01-28, modified: 2016-02-16