⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50104082, with some changes.

Pachylophis eximius (A. Gray) Wooton & Standl. is a synonym of Oenothera cespitosa subsp. eximia (A. Gray) Munz

This name is a synonym of Oenothera cespitosa subsp. eximia (A. Gray) Munz.

The record derives from Tropicos which reports it as a synonym (record 50104082) with original publication details: Contr. U.S. Natl. Herb. 16(4): 157 157 1913.