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 and as an illegitimate name (record 95845) with original publication details: Ann. Scott. Nat. Hist. 1907: 244 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:638350-1.
This name was in version 1 of The Plant List, record kew-95845.