⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50109140, with some changes.
This name is a synonym of Oenothera macrocarpa subsp. oklahomensis .
The record derives from Tropicos which reports it as a synonym (record 50109140
) with original publication details: Monde Pl. Rev. Mens. 7: 148 148 1898.