This name is a synonym of Zexmenia phyllocephala (Hemsl.) Standl. & Steyerm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C43B28EF-825B-489A-A161-446E6B6D7DA1) with original publication details: 1881.
This name was in version 1 of The Plant List, record gcc-36935, and has not been changed.