This name is a synonym of Athyrium attenuatum f. dentigerum (Wall. ex C.B. Clarke) Fraser-Jenk. & Khullar.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50173542) with original publication details: Handb. Ferns Brit. India 169 1883.
This name was in version 1 of The Plant List, record tro-50173542, and has not been changed.