Published in Iberus, in 1988, in volume 8, pages 15-21

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Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 349-395

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Published in Fieldiana: Botany, New Series, in 1995, in volume 35, pages 1-101

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Published in Acta Botanica Mexicana, in 2016, in volume 115, pages 1-4

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Published in American Fern Journal, in 1976, in volume 66, pages 25

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Published in Compositae Newsletter, in 2001, in volume 36, pages 26-30

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Published in American Fern Journal, in 1989, in volume 79, pages 122-124

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Published in American Fern Journal, in 1997, in volume 87, pages 30-31

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Published in Acta Botánica Mexicana, in 1994, in volume 28, pages 63-69

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Published in Acta Botánica Mexicana, in 1999, in volume 46, pages 77-81

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Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 9-15

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Published in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 396-399

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Published in American Fern Journal, in 1987, in volume 77, pages 69-71

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Published in American Fern Journal, in 2000, in volume 90, pages 49-50

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Published in American Fern Journal, in 2000, in volume 90, pages 104-105

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Published in Acta Botánica Mexicana, in 2010, in volume 91, pages 95-102

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Published in American Fern Journal, in 2002, in volume 92, pages 229-238

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Published in Acta Botánica Mexicana, in 2005, in volume 72, pages 33-38

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Published in American Fern Journal, in 1993, in volume 83, pages 39

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Published in Acta Botánica Mexicana, in 1999, in volume 47, pages 1-7

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Published in Acta Botánica Mexicana, in 2000, in volume 50, pages 5-7

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Published in Revista De La Academia Canaria De Ciencias, in 2003, in volume 15, issue 3, pages 9-14

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Published in Zeitschrift für Säugetierkunde, in 1992, in volume 57, pages 373-379

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Published in American Fern Journal, in 2001, in volume 91, pages 214-226

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Published in Acta Botánica Mexicana, in 1996, in volume 37, pages 45-65

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Published in American Fern Journal, in 2003, in volume 93, pages 152-153

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Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 7-14

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Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 2, pages 782

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Published in Nautilus Boston Mass, in 1926, in volume 39, pages 138-140

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Published in Mycotaxon, in 2018, in volume 133, issue 3, pages 523-550

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Published in Acta Botánica Mexicana, in 2011, in volume 95, pages 37-43

Created: 2016-05-12, modified: 2017-04-27

Published in Novon: A Journal for Botanical Nomenclature, in 2011, in volume 21, issue 1, pages 40-43

Created: 2017-02-12, modified: 2017-02-12

Published in Novon: A Journal for Botanical Nomenclature, in 2011, in volume 21, issue 2, pages 183-186

Created: 2017-02-12, modified: 2017-02-12

Published in Quarterly Journal of The Florida Academy of Sciences, in 1971, in volume 33, pages 275-278

Created: 2013-03-28, modified: 2013-03-28

Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1918, in volume 14, pages 297-300

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Published in Victorian Naturalist, in 2014, in volume 131, issue 2, pages 52-53

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Published in Madroño, in 1946, in volume 8, issue 7, pages 230-233

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

Published in Revista De La Academia Canaria De Ciencias, in 2010, in volume 22, issue 3, pages 111-120

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Published in Acta Botánica Mexicana, in 2015, in volume 111, pages 9-15

Created: 2016-05-12, modified: 2017-04-27

Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1311-1315

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Published in Gayana Botanica, in 2001, in volume 58, pages 31-46

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Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 27-48

Created: 2016-12-02, modified: 2017-04-27

Published in Entomologische Zeitung Stettin, in 1884, in volume 45, pages 126-128

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Published in Entomologische Zeitung Stettin, in 1880, in volume 41, pages 309-326

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Published in Rhodora, in 1939, in volume 41, issue 489, pages 464

Created: 2016-07-19, modified: 2016-07-19

Published in Botanical Gazette, in 1886, in volume 11, issue 12, pages 338

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

Published in Botanical Gazette, in 1913, in volume 55, issue 1, pages 96

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

Published in Botanical Gazette, in 1922, in volume 73, issue 4, pages 329-330

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

Published in Botanical Gazette, in 1922, in volume 74, issue 3, pages 337-338

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

Published in Ruwenzori expedition, 1934-5, in 1939, in volume 3, issue 1, pages 1-39

Created: 2013-11-17, modified: 2025-04-30