Published in American Fern Journal, in 2001, in volume 91, pages 74-98

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Published in Torreya, in 1905, in volume 5, issue 5, pages 87-89

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Published in Banisteria, in 1999, in volume 14, pages 45-47

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Published in Novon, in 1993, in volume 3, pages 99-101

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Published in Biol Bull, in 1993, in volume 184, pages 296-308

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Published in Torreya, in 1903, in volume 3, issue 5, pages 73-74

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Published in Torreya, in 1903, in volume 3, issue 9, pages 129-132

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Published in Torreya, in 1904, in volume 4, issue 1, pages 10-11

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Published in Bulletin de la Société Botanique de France, in 1905, in volume 52, pages 517-534

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Published in Biol Bull, in 1990, in volume 179, pages 332-339

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Published in Nautilis, in 1920, in volume 33, pages 130-133

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Published in Torreya, in 1907, in volume 7, issue 1, pages 4-6

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1

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Published in Ibis, in 1918, in volume 6, issue 2, pages 301-308

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Published in Novon, in 2000, in volume 10, pages 64-66

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Published in Contributions In Science (Los Angeles), in 1980, in volume 325, pages 1-12

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Published in Banisteria, in 2000, in volume 16, pages 49-50

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Published in Banisteria, in 1996, in volume 7, pages 11-40

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Published in Nautilis, in 1937, in volume 50, pages 87-88

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Published in Nautilis, in 1910, in volume 24, pages 61-63

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Published in Torreya, in 1904, in volume 4, issue 12, pages 190-192

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Published in Torreya, in 1906, in volume 6, issue 5, pages 88-90

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Published in Torreya, in 1905, in volume 5, issue 10, pages 179-182

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Published in Torreya, in 1905, in volume 5, issue 7, pages 130-132

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Published in Torreya, in 1905, in volume 5, issue 8, pages 149-151

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Published in Torreya, in 1901, in volume 1, issue 9, pages 105-107

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Published in Torreya, in 1905, in volume 5, issue 2, pages 34-36

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Published in Torreya, in 1905, in volume 5, issue 1, pages 14-16

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Published in Torreya, in 1905, in volume 5, issue 3, pages 50-53

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Published in Torreya, in 1905, in volume 5, issue 4, pages 70-73

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Published in Torreya, in 1908, in volume 8, issue 9, pages 218-219

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Published in Torreya, in 1908, in volume 8, issue 10, pages 233-235

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Published in Bulletin de la Société Botanique de France, in 1906, in volume 53, pages 663-667

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Published in Torreya, in 1901, in volume 1, issue 12, pages 143-147

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Published in Banisteria, in 2011, in volume 37, pages 41-42

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Published in Banisteria, in 1998, in volume 11, pages 47-49

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Published in Banisteria, in 1995, in volume 6, pages 26-27

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Published in Bulletin of the British Museum (Natural History). Zoology., in 1966, in volume 14, issue 8, pages 441-486

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Published in Nautilis, in 1931, in volume 44, pages 73-75

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Published in Nautilis, in 1916, in volume 30, pages 21-22

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Published in Botanical Gazette, in 1903, in volume 36, issue 6, pages 421-428

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Published in Torreya, in 1922, in volume 22, issue 1, pages 10-11

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Published in Torreya, in 1902, in volume 2, issue 3, pages 33-37

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Published in Torreya, in 1904, in volume 4, issue 10, pages 152-154

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Published in Torreya, in 1924, in volume 24, issue 3, pages 44-46

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Published in Torreya, in 1906, in volume 6, issue 12, pages 246-248

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Published in Torreya, in 1902, in volume 2, issue 7, pages 103-105

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Published in Torreya, in 1935, in volume 35, issue 1, pages 11-13

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Published in Kirtlandia, in 2007, in volume 56, pages 53-64

Created: 2016-11-04, modified: 2016-11-04