Published in Zoological Science, in 1994, in volume 11, pages 511-515

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

Published in Phegea, in 1985, in volume 13, issue 1, pages 21-28

Created: 2016-08-14, modified: 2016-08-14

Published in Veliger, in 2011, in volume 51, pages 66-75

Created: 2013-12-24, modified: 2013-12-24

Published in Veliger, in 2007, in volume 49, pages 91-96

Created: 2013-12-24, modified: 2013-12-24

Published in Biol Bull, in 1994, in volume 186, pages 221-240

Created: 2010-01-07, modified: 2011-06-21

Published in American Fern Journal, in 2007, in volume 97, pages 186-198

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

Published in Geodiversitas, in 1999, in volume 21, issue 4, pages 751-765

Created: 2018-05-22, modified: 2018-05-22