This name is a synonym of Cephalanthera austiniae (A.Gray) A.Heller.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 65643) with original publication details: Muhlenbergia 1: 49 1904.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:630684-1.
This name was in version 1 of The Plant List, record kew-65643, and has not been changed.