Published in Biol Bull, in 1987, in volume 172, pages 128-131

Created: 2010-01-07, modified: 2011-06-21

Published in American Fern Journal, in 1999, in volume 89, pages 232-243

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

Published in Zoological Science, in 1994, in volume 11, pages 847-853

Created: 2012-09-19, modified: 2012-09-19

Published in Annals of the Missouri Botanical Garden, in 1993, in volume 80, pages 1-38

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

Published in American Fern Journal, in 2006, in volume 96, pages 96-99

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

Published in Zoological Science, in 1993, in volume 10, pages 175-178

Created: 2012-09-19, modified: 2012-09-19

Published in Zoological Science, in 1990, in volume 7, pages 105-109

Created: 2012-09-19, modified: 2012-09-19

Published in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 285-288

Created: 2014-06-14, modified: 2016-02-16

Published in Proceedings of The Biological Society of Washington, in 2002, in volume 115, pages 205-216

Created: 2011-07-27, modified: 2011-07-27

Published in American Fern Journal, in 2007, in volume 97, pages 186-198

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

Published in American Fern Journal, in 2008, in volume 98, pages 171-176

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

Published in American Fern Journal, in 1995, in volume 85, pages 134-181

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