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Published in Acta Botánica Mexicana, in 1997, in volume 40, pages 37-42

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Published in Torreya, in 1936, in volume 36, issue 2, pages 37-40

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Published in Torreya, in 1939, in volume 39, issue 1, pages 10-12

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Published in Rhodora, in 1919, in volume 21, issue 241, pages 24

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Published in Rhodora, in 1914, in volume 16, issue 190, pages 183-184

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Published in Rhodora, in 1913, in volume 15, issue 179, pages 204

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Published in Botanical Gazette, in 1882, in volume 7, issue 6, pages 74-76

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Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 1-33

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Published in Anales de la Universidad de Chile, in 1914, in volume 134, pages 403-419

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Published in Zeitschrift für Säugetierkunde, in 1993, in volume 58, pages 344-351

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Published in Mitteilungen der Botanischen Staatssammlung München, in 1961, in volume 4, pages 167-169

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Published in Entomologische Zeitung Stettin, in 1879, in volume 40, pages 106-109

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Published in Pacific Science, in 1959, in volume 13, issue 4, pages 335-341

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Published in Acta Botánica Mexicana, in 2002, in volume 59, pages 71-73

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Published in Annals of the Missouri Botanical Garden, in 1990, in volume 77, pages 110-117

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Published in Novon, in 2008, in volume 18, pages 189-191

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Published in American Fern Journal, in 1987, in volume 77, pages 1-15

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Published in Proceedings of The American Philosophical Society, in 1896, in volume 35, issue 152, pages 205-212

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Published in Phytologia, in 2017, in volume 99, issue 1, pages 74-82

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Published in Madroño, in 1980, in volume 27, issue 4, pages 186-188

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Published in Revista De La Academia Canaria De Ciencias, in 1994, in volume 6, issue 2, pages 9-22

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Published in Zeitschrift für Säugetierkunde, in 2000, in volume 65, pages 321-339

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in 1893, pages 1-24

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Published in Journal of Arachnology, in 1999, in volume 27, issue 3, pages 165-170

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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 553-589

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Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 21-25

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Published in Biol Bull, in 1947, in volume 93, pages 114-121

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Published in Biol Bull, in 2002, in volume 203, pages 338-346

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Published in Annals of the Missouri Botanical Garden, in 1931, in volume 18, pages 509-540

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Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 524-526

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Published in Iheringia Serie Zoologia, in 1998, in volume 85, pages 67-73

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