Published in American Fern Journal, in 2012, in volume 102, pages 147-153

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

Published in Zoological Science, in 1993, in volume 10, pages 267-273

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

Published in Rodriguésia, in 2009, in volume 60, issue 2, pages 353-365

Created: 2016-07-17, modified: 2016-07-17