Published in American Fern Journal, in 2004, in volume 94, pages 77-80

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

Published in American Fern Journal, in 2007, in volume 97, pages 155-165

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

Published in Gardens' Bulletin, Singapore, in 2009, in volume 61, issue 1, pages 159-184

Created: 2015-07-29, modified: 2015-07-29