Published in Biol Bull, in 1987, in volume 172, pages 128-131
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/32084849,60,60)
Published in American Fern Journal, in 1999, in volume 89, pages 232-243
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/40518725,60,60)
Published in Zoological Science, in 1994, in volume 11, pages 847-853
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/27994221,60,60)
Published in Annals of the Missouri Botanical Garden, in 1993, in volume 80, pages 1-38
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/32224598,60,60)
Published in American Fern Journal, in 2006, in volume 96, pages 96-99
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/40515981,60,60)
Published in Zoological Science, in 1993, in volume 10, pages 175-178
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40503656,60,60)
Published in Zoological Science, in 1990, in volume 7, pages 105-109
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/39922947,60,60)
Published in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 285-288
Created: 2014-06-14, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/35518564,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/32224860,60,60)
Published in American Fern Journal, in 2007, in volume 97, pages 186-198
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/39671150,60,60)
Published in American Fern Journal, in 2008, in volume 98, pages 171-176
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32226920,60,60)
Published in American Fern Journal, in 1995, in volume 85, pages 134-181
Created: 2017-04-23, modified: 2017-04-23