⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-456619, with some changes.
This name is a synonym of Platanthera grandiflora (Bigelow) Lindl..
The record derives from WCSP which reports it as a synonym (record 456619) with original publication details: N. Amer. Native Orchid J. 15: 74 2009.