Published in American Fern Journal, in 2011, in volume 101, pages 241-251

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

Published in Gardens' Bulletin, Singapore, in 2011, in volume 63, issue 1, pages 97-103

Created: 2014-06-21, modified: 2014-06-21

Published in Gardens' Bulletin, Singapore, in 2011, in volume 63, issue 1, pages 451-464

Created: 2014-06-21, modified: 2014-06-21

Published in Bulletin du Musée D'histoire Naturelle, in 1907, in volume 13, issue 1, pages 34-36

Created: 2021-12-14, modified: 2021-12-14