Published in Zoological Science, in 1994, in volume 11, pages 555-561

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

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

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

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 1994, in volume 11, pages 291-297

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

Published in Zoological Science, in 1990, in volume 7, pages 257-263

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

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

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