Published in Gardens' Bulletin Singapore, in 1973, in volume 26, issue 2, pages 227-232

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

Published in Gardens' Bulletin, Singapore, in 1972, in volume 26, issue 1, pages 155-158

Created: 2016-08-10, modified: 2016-08-10

Published in Gardens' Bulletin Singapore, in 1983, in volume 36, issue 2, pages 197-200

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

Published in American Fern Journal, in 2008, in volume 98, pages 104-107

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

Published in Zoological Science, in 1993, in volume 10, pages 547-555

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

Published in American Fern Journal, in 1982, in volume 72, pages 11

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

Published in American Fern Journal, in 1982, in volume 72, pages 48

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

Published in American Fern Journal, in 1987, in volume 77, pages 65

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

Published in American Fern Journal, in 1987, in volume 77, pages 108

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

Published in Occasional papers of the Royal Ontario Museum of Zoology, in 1944, in volume 8, pages 1-6

Created: 2012-07-05, modified: 2012-07-05

Published in Zoological Science, in 1991, in volume 8, pages 869-878

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

Published in Gulf Research Reports, in 1981, in volume 7, issue 1, pages 19-25

Created: 2017-01-30, modified: 2017-01-30