This name is a synonym of Platanthera chlorantha (Custer) Rchb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 95686) with original publication details: Notes Roy. Bot. Gard. Edinburgh 13: 210 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:638208-1.
This name was in version 1 of The Plant List, record kew-95686.