This name is a synonym of Crepidomanes radicans var. naseanum (Christ) K. Iwats..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26612407) with original publication details: J. Jap. Bot. 24(1–12): 124 1949.
This name was in version 1 of The Plant List, record tro-26612407.