Published in Boletim do Museu Paraense Emílio Goeldi. Série Botânica, in 1995, in volume 11, issue 1, pages 117-124

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Published in American Fern Journal, in 1972, in volume 62, pages 1-8

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Published in Zeitschrift für Säugetierkunde, in 1970, in volume 36, pages 147-163

Created: 2016-08-03, modified: 2016-08-03

Published in Zoologischer Anzeiger, in 1879, in volume 2, pages 547-549

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Published in Zoologischer Anzeiger, in 1879, in volume 2, pages 618-620

Created: 2011-06-02, modified: 2011-06-21

Published in Botanical Gazette, in 1899, in volume 27, issue 3, pages 212-213

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Published in Botanical Gazette, in 1899, in volume 27, issue 3, pages 208-212

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Published in Botanical Gazette, in 1904, in volume 38, issue 5, pages 378

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Published in Phytologia, in 1967, in volume 14, pages 205-212

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Published in Contributions In Science (Los Angeles), in 1983, in volume 345, pages 1-19

Created: 2016-11-27, modified: 2023-02-16

Published in Advances in herpetology and evolutionary biology. Essays in honor of Ernest E. Williams, in 1983, pages 1-12

Created: 2014-01-04, modified: 2014-01-04

Published in Annals of the Missouri Botanical Garden, in 1967, in volume 54, pages 178-181

Created: 2010-01-08, modified: 2015-12-16

Published in Contributions In Science (Los Angeles), in 1984, in volume 348, pages 1-20

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Published in Annals And Magazine of Natural History, in 1875, in volume 16, pages 41-53

Created: 2011-09-28, modified: 2011-09-28

Published in Wissenschaftlich Ergebnisse der Schwedischen Rhodesia-Kongo-Expedition 1911-1912, in 1921, in volume 1, pages 1-135

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Published in Novon, in 2001, in volume 11, pages 484-488

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Published in Annals of the Missouri Botanical Garden, in 1966, in volume 53, pages 377

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Published in Journal of the Arnold Arboretum, in 1972, in volume 53, pages 26-51

Created: 2011-01-27, modified: 2011-06-21

Published in Journal of the Arnold Arboretum, in 1970, in volume 51, pages 427-430

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1970, in volume 51, pages 18-40

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1971, in volume 52, pages 69-85

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Published in Journal of the Arnold Arboretum, in 1971, in volume 52, pages 159-195

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1971, in volume 52, pages 305-318

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Published in Journal of the Arnold Arboretum, in 1974, in volume 55, pages 67-118

Created: 2011-01-27, modified: 2011-06-21

Published in Madroño, in 1988, in volume 35, issue 3, pages 280-281

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

Published in Wissenschaftlich Ergebnisse der Schwedischen Rhodesia-Kongo-Expedition 1911-1912, in 1914, in volume 1, pages 1-184

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Published in Wissenschaftlich Ergebnisse der Schwedischen Rhodesia-Kongo-Expedition 1911-1912, in 1916, in volume 1, pages 185-354

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

Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 697-713

Created: 2011-06-30, modified: 2017-01-06

Published in Annals And Magazine of Natural History, in 1839, in volume 4, pages 44-45

Created: 2011-09-30, modified: 2011-09-30

Published in Botanical Gazette, in 1894, in volume 19, issue 3, pages 89-95

Created: 2017-03-14, modified: 2017-03-14

Published in Proceedings of The American Philosophical Society, in 1885, in volume 22, issue 120, pages 227-240

Created: 2017-01-01, modified: 2017-01-01

Published in The Great Basin Naturalist, in 1963, in volume 23, pages 166

Created: 2017-11-16, modified: 2017-11-16

Published in Brigham Young University Science Bulletin - Biological Series, in 1963, in volume 4, pages 1-11

Created: 2012-11-10, modified: 2012-11-10

Published in The Great Basin Naturalist, in 1992, in volume 52, issue 1, pages 59-67

Created: 2017-11-16, modified: 2017-11-16

Published in American Fern Journal, in 1987, in volume 77, pages 66-68

Created: 2017-04-23, modified: 2017-04-23

Published in American Fern Journal, in 2008, in volume 98, pages 61-70

Created: 2017-04-23, modified: 2017-04-23

Published in Journal of Ethnobiology, in 2000, in volume 20, issue 2, pages 239-265

Created: 2016-06-26, modified: 2016-06-26

Published in Memorias de la Real Academia de Ciencias y Arts de Barcelona, in 1918, in volume 14, pages 159-326

Created: 2018-07-13, modified: 2018-07-13

Published in American Fern Journal, in 2008, in volume 98, pages 49-60

Created: 2017-04-23, modified: 2017-04-23

Published in Memorias de la Real Academia de Ciencias y Artes de Barcelona, in 1918, in volume 14, issue 2, pages 159-326

Created: 2016-01-14, modified: 2023-02-16

Published in Psyche: A Journal of Entomology, in 1985, in volume 92, issue 2-3, pages 303-307

Created: 2016-06-19, modified: 2016-06-19

Published in Madroño, in 1943, in volume 7, issue 4, pages 126-128

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

Published in Bulletin of The British Ornithologists' Club, in 2005, in volume 125, pages 122-129

Created: 2012-12-02, modified: 2012-12-02

Published in Entomologist's Record and Journal of Variation, in 2004, in volume 116, issue 2, pages 91-92

Created: 2016-09-01, modified: 2016-09-01

Published in Madroño, in 2017, in volume 64, issue 4, pages 113

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Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 742-753

Created: 2011-04-14, modified: 2011-06-21

Published in Botanical Gazette, in 1919, in volume 67, issue 2, pages 169-170

Created: 2017-03-14, modified: 2017-03-14

Published in Madroño, in 2018, in volume 65, issue 1, pages 7-9

Created: 2024-06-16, modified: 2024-06-16

Published in Proceedings of The Biological Society of Washington, in 1998, in volume 111, issue 1, pages 199-208

Created: 2011-07-27, modified: 2013-05-08

Published in Palaeontology, in 1997, in volume 40, issue 3, pages 619-624

Created: 2016-04-23, modified: 2016-04-23