Published in American Fern Journal, in 2003, in volume 93, pages 126-136

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

Published in American Fern Journal, in 2007, in volume 97, pages 220-224

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

Published in American Fern Journal, in 2009, in volume 99, pages 194-199

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

Published in Gardens' Bulletin Singapore, in 1982, in volume 35, issue 1, pages 33-44

Created: 2018-12-17, modified: 2018-12-17