?Index Filic. 0: 229, 1905?. Submitted.

?Bot. Mag. (Tokyo) 38: 112, 1924?. Submitted.

?Acta Phytotax. Geobot. 2: 197, 1933?. Submitted.

?J. Bombay Nat. Hist. Soc. 14: 259, 1902?. Submitted.

?Col. Ill. Jap. Pterid. 1: 135, 1959?. Submitted.

?Bot. Zeitung (Berlin) 6: 537, 1848?. Submitted.

?Bot. Mag. (Tokyo) 35: 148, 1921?. Submitted.

?Bot. Mag. (Tokyo) 20(236): 84, 1906?. Submitted.

?Enum. Jap. Pterid. 340, 1961?. Submitted.

?Nat. Pflanzenfam. 1(4): 226, 1899?. Submitted.