Published in Brigham Young University Science Bulletin - Biological Series, in 1972, in volume 17, issue 2, pages 1-14

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Published in Brigham Young Univ Sci Bull, in 1972, in volume 17, pages 1-115

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Published in Proceedings of the Biological Society Washington, in 1967, in volume 80, pages 223-226

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Published in Transactions of The San Diego Society of Natural History, in 1971, in volume 16, pages 165-214

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Published in American Fern Journal, in 1966, in volume 56, pages 1-3

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Published in Palaeontology, in 1964, in volume 7, issue 2, pages 331-349

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Published in Palaeontology, in 1965, in volume 8, issue 4, pages 666-680

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Published in Proceedings of The Biological Society of Washington, in 1909, in volume 22, pages 157-163

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Published in Memórias Do Instituto Oswaldo Cruz, in 1915, in volume 7, pages 5-50

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Published in Rodriguésia, in 1951, in volume 14, issue 26, pages 73-75

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Published in Rodriguésia, in 1946, in volume 10, issue 20, pages 49-50

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Published in Veliger, in 1960, in volume 3, pages 13-16

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Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 1156

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Published in Great Basin Naturalist, in 1994, in volume 54, pages 376-379

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Published in Journal of Arachnology, in 2006, in volume 34, issue 3, pages 540-544

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Published in Palaeontology, in 1988, in volume 31, issue 4, pages 1079-1100

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Published in American Fern Journal, in 1989, in volume 79, pages 125-126

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Published in Rodriguésia, in 1942, in volume 6, issue 15, pages 17-23

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Published in Zitteliana, in 1982, in volume 10, pages 277-283

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Published in Arquivos Do Museu Nacional, in 2005, in volume 63, issue 3, pages 619-624

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Published in Entomological News, in 1907, in volume 18, pages 399

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Published in American Fern Journal, in 1987, in volume 77, pages 100

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Published in Arquivos Do Museu Nacional, in 2010, in volume 68, issue 3-4, pages 173-176

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Published in Veliger, in 1978, in volume 21, pages 171-188

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Published in American Fern Journal, in 1983, in volume 73, pages 33-38

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Published in Entomological News, in 2002, in volume 113, pages 37-40

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Published in Rodriguésia, in 1946, in volume 10, issue 20, pages 89-110

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Published in Rodriguésia, in 1943, in volume 7, issue 16, pages 35-44

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Published in Arquivos Do Museu Nacional, in 2005, in volume 63, issue 3, pages 363-369

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Published in Rodriguésia, in 1966, in volume 25, issue 37, pages 313-334

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Published in Memorias do Instituto Butantan, in 1964, in volume 31, pages 135-142

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Published in Rhodora, in 1991, in volume 93, issue 875, pages 238-241

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Published in Memórias Do Instituto Oswaldo Cruz, in 1911, in volume 3, pages 108-135

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Published in Rodriguésia, in 1949, in volume 12, issue 24, pages 33-51

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Published in Biol Bull, in 1969, in volume 137, pages 312-320

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Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 2, pages 770

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Published in American Fern Journal, in 2002, in volume 92, pages 240-241

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Published in Novon, in 2008, in volume 18, pages 214-219

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Published in Bonner Zoologische Beiträge, in 1985, in volume 36, pages 471-480

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Published in Iberus, in 2005, in volume 23, pages 67-76

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Published in Proceedings of The Biological Society of Washington, in 1902, in volume 15, pages 195

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Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 4, pages 649-678

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Published in Sida, Contributions To Botany, in 1989, in volume 13, issue 4, pages 467-480

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Published in Iheringia Serie Zoologia, in 1998, in volume 84, pages 185-191

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